GE Consumer & IndustrialPower Protection
Application guide
Record Plus
GE imagination at work
Record Plus
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E.1
The breaker
Order codes
Trip units
Components & Accessories
Technical data
Application guide
Wiring diagrams
Dimensions
Numerical Index
Introduction
Protection against short-circuit
Personnel protection (direct and indirect contact)
Selectivity/Discrimination
Back-up protection
Selectivity Plus
Coordination with loadbreak disconnect switches
Protection of motor circuits (coordination type 2)
Protection of LV/LV transformer
Protection of capacitor banks
E.3
E.4
E.8
E.14
E.20
E.22
E.25
E.26
E.34
E.35
y on us
Notes
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Record Plus
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E.2
Appl
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Record Plus
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E.3
Application guide
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Introduction
A protection device like the Record PlusTM circuitbreaker is used in a wide variety of environments toprotect conductors, equipment and devices in lowvoltage distribution circuits. To use this product to itsfull potential it is necessary to verify that it functionscorrectly in the environment in which it is used andthat it meets the Electrotechnical requirements of thecircuit it protects.
EnvironmentRecord PlusTM breakers function well in almost anyindustrial environment . The EN 60947-2 defines themain aspects of what is meant by "industrialenvironment":Temperature:Relative humidity:Altitude:Pollution:Network harmonic content:Shock and vibration resistance:
For conditions other than the above mentioned pleaserefer to page D.16 in which the effects of theenvironment are defined.
Maximum short-circuit currentProtective devices as the Record PlusTM circuit breakermust be able to interrupt the maximum short-circuitcurrent at the point where they are installed. The interruption ratings of these breakers (breakingcapacity) can be found elsewhere in this catalog.
Design current of a circuitThe equipment and devices in an electrical circuitdetermines it's current load. The electrical conductorcross sections that can be used in the circuit aredetermined by a number of factors i.e.
- The design current of the circuit (IB).- Conductor type and it's insulation.
(current capacity = IZ)- Installation method.- Temperature.- Number of conductors mounted in each others
vicinity.
The resulting combinations of current load andelectrical conductor cross sections are beyond thescope of this catalogue, however a number offrequently used values are:
The breaker settingsThe main breaker settings are :- Overload protection or LT setting ... Ir- Magnetic or ST setting …. Im
Ir settingThe HD 384 (IEC 364) installation regulations state thatthe Ir value is determined by use of the following twoformulae:
IB < Ir ≤ IZIt ≤ 1.45 x IZ
TerminologyIB = Circuit design currentIr = Current set on breakerIZ = Current carrying capacity of electrical conductorIt = Tripping current of the protection device(Record PlusTM MCCB It ≤ 1.3 x Ir)
Use of the above mentioned formulae and the Record PlusTM characteristics give the following results: Breaker setting Ir ≤ IZ (It ≤ 1.3 x IZ)In practice Ir is generally set at a value equal to IZ.
Im setting - protected equipmentThe magnetic or ST setting of a breaker (Im) is primarilydefined by the characteristics of the equipment anddevices in the circuit . The Record PlusTM device is equipped with trip unitsthat react to fault currents when needed but arespecifically designed not to react to most inrush-current profiles. The details included in this section on devices as LV/LVtransformers and the time current curves of thebreaker published elsewhere in this catalogue allow adefinition of the Im value.
Im setting - protected linesOn a short-circuit event the total circuit impedancedetermines the highest and the lowest current that canflow in the circuit . It is necessary not only to verify ifthe protective device can interrupt the maximum short-circuit value but also if the device protecting thecircuit reacts and disconnects in time at the lowestpossible short-circuit value.Due to the fact that a major part of the circuitimpedance is formed by electrical conductors likecables, busbar systems etc. within the circuit , thisrequirement has a limiting effect on the length of theconductors used in the circuit .
There are two conditions that have to be met: a) The weakest short-circuit current must be
disconnected before the electrical conductorsexceed their temperature limits.
b) A current to earth (fault current) must bedisconnected before inadvertent contact tonormally non-conductive parts causes injury.
Please refer to the pages E.6 and E.13 for more details.
Conductor cross section 10mm2 25mm2 50mm2 70mm2 95mm2
IB with Cu conductors in A 50 90 130 170 210IB with AL conductors in A 35 70 100 130 160
Record Plus
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E.4
Appl
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Protection against short-circuits
Maximum short-circuit ratings
Protective devices as the Record PlusTM circuit breakermust be able to interrupt the maximum short-circuitcurrent at the point where they are installed. The interruption ratings of these breakers (breakingcapacity) can be found elsewhere in this catalogue. For the calculation of the short-circuit current at thepoint where the breaker is installed a pan-Europeandocument is now available in the form of the R064-003.The values published here are based on thisdocument .
Power supplyThe values mentioned in table indicate the effectivevalues of the highest three phase short-circuit currentthat is available at the connection terminals of theincoming transformer(s).
FormulasMedium voltage impedance
ZQ = (m Uo sqrt 3)2
mOhmSkQ
MV/LV transformer impedance
Zr = (m Uo sqrt 3)2
xUkr mOhm
SrT 100%
Maximum short-circuit calculation
Ik3max = (cmax * m *Uo sqrt 3)2
kASqrt (R2 + X2)
SrT
100160250315400500630630630800
10001250160020002500
2 x 4002 x 5002 x 6302 x 6302 x 6302 x 800
2 x 10002 x 12502 x 16002 x 20002 x 25003 x 4003 x 5003 x 6303 x 6303 x 6303 x 800
3 x 10003 x 12503 x 16003 x 20003 x 2500
Ukr %
4444444566666664445666666644456666666
100
3.55.68.5
10.613.216.219.816.313.817.120.825.130.636.442.924.229.134.929.325.330.636.442.950.758.366.333.639.746.840.034.941.648.656.164.872.981.0
150
3.65.78.7
10.913.616.820.716.914.317.821.826.632.939.747.525.731.237.931.426.832.939.747.557.367.378.136.443.752.343.937.946.054.664.376.187.599.4
200
3.65.78.8
11.013.817.121.217.214.518.222.327.434.241.650.226.432.339.632.527.634.241.650.261.372.885.737.945.955.646.239.648.558.269.383.397.2
112.1
300
3.65.78.9
11.114.017.421.717.614.718.522.928.335.643.653.227.233.541.433.828.535.643.653.265.979.494.939.648.559.448.841.451.362.375.391.9
109.2128.6
400
3.65.78.9
11.214.217.622.017.714.818.723.228.736.344.754.827.734.242.434.429.036.344.754.868.483.1
100.340.549.861.450.242.452.864.678.697.0
116.4138.7
500
3.65.89.0
11.214.217.722.217.814.918.823.429.036.845.455.927.934.643.034.829.336.845.455.970.085.5
103.941.150.762.751.043.053.866.080.8
100.3121.2145.6
Calculated maximum short-circuit values (3 phase 400V network)MV/LV Transformer(s) Medium Voltage power SKQ in MvA
Maximum short-circuit Values in kA (Ik3max)
TerminologySkQ = short-circuit power of the medium/high voltage
networkSrT = power rating of the MV/LV transformerUkr = short-circuit voltage in %, according to HD 398m = no load factor; 1.05 assumedCmax. = voltage factor; 1.05 assumedUo = phase to neutral voltageIk3max = maximum 3 phase short-circuit currentX = total reactanceXQ = 0.995 x ZQXT = 0.95 x ZTR = total resistanceRQ = 0.1 x XQ*RT = 0.31 x ZT
* See IEC 909
Incoming transformers
Installation
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E.5
Protection against short-circuit
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Influence of cable runs
It is possible to calculate short-circuit values withincircuits by determining the impedance, reactance andresistance of the power supply and by adding those ofcable runs. These values are used here to calculate themaximum short-circuit levels at the end of a definedcable run.
Values usedSpecific resistance of copper and aluminum at 20°C
0 = 18.51 m mm2/m. for copper cores29.41 m mm2/m. for aluminum cores
Reactance of multicore cables 0.08 m /m.
ExamplesIk3 max. at cable run start 50kA54 meters of 185 mm2 cableIk3 max. at cable run end 22kA
Ik3 max. at cable run start 120kA12 meters of 185 mm2 cableIk3 max. at cable run end 80kA
1.52.5 44 66 10
10 1616 2525 3535 5050 7070 95
2 x 35 2 x 5095 150
2 x 50 2 x 70120 185150 240
2 x 70 2 x 95185240
2 x 95 2 x150300
2 x120 2 x1852 x1503 x 95 3 x1502 x1853 x1202 x2403 x150 3 x2403 x1853 x240
0.50.50.511
1.52.53466789
101112141416172021232528303541
0.50.50.512
2.544688
111213151618212124273033353841455380
0.50.51
1.52
3.5579
12131618192324273232354248515357626879
125
11
1.52.5469
13182425323538465054326570809195
105115125140160185
11.52358
121622303239444858606578808595
115120130145155170195230
11.52.53.55.59
13182535364652556670768895
100110135140155165180200230265
11.52.53.56
10152029404051586275808498
105110125150155170185200220255295
1.52458
132028395555708085
100110116135140150170200210235255270300350410
23.558
13203242608585
110120130155170180210220230260310320360390410460530620
3.55.59
1321355570
100135140180200220255270300340360380430510540590645675765880
IK3 max in kA at point where Record PlusTM MCCB is to be installed (This value must be ≤ Icu or Ics)
Ik3 max. withoutcable run
Required minimum length in meters of cable run of the mentionedcross section to achieve the Ik3 max mentioned above
Cable cross sectionCu mm2 AL mm2
14514013012011010090807060504540353025201510
80808080806565656550505036303022---
65656565656565505050363636302522---
50505050505050505050363030252220---
3030303030303030252522222020201515--
2525252525252522222220202020201515--
222222222222222020202020201515151510-
202020202020202020202020151515151510-
151515151515151515151515151515101010-
1010101010101010101010101010101010106
6666666666666666666
Short-circuit values within circuits
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E.6
Appl
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Protection against short-circuits
Weakest short-circuit current
It is necessary to verify that the permissible thermalstress in conductors is not exceeded at the maximumshort-circuit level and at the weakest short-circuit level.Verification on the maximum short-circuit level isdescribed on page E.4 of this catalogue. For theweakest short-circuit value it is necessary to verify thatthe protective devices as the Record PlusTM circuitbreaker trips before the conductors reach thementioned limits. On using circuit breakers it isgenerally sufficient to check if the weakest short-circuitcurrent trips the short-circuit protective element of thedevice.
Permissible thermal stress in conductorsFor insulated conductors and cables this is defined bythe formula:
t ≤ K2 S2
Ik2
Terminologyt = the short-circuit time in seconds k = a factor determined by the conductor in accordance with
HD384-5-54Ik = the weakest short-circuit current in AS = the conductor cross section in mm2
The table included here indicates the factor k forconductors with different insulation materials and thecalculated energy values for the conductor crosssections.
Weakest short-circuit current calculationsFor the most commonly applied network configuration,3 phase with neutral, the weakest short-circuit is thePhase to Neutral value. The network configuration determines the value of thiscurrent . Cases where the Phase to Earth or two Phasevalue is the weakest are also commonplace.Basically, the weakest short-circuit current isdetermined by the highest impedance loop in thecircuit that the breaker is protecting.Due to the simple fact that the impedance of this loopis mainly determined by the conductors included in thecircuit , their maximum length is limited. Anapproximation of the effect of the conductor or cablelength on the weakest short-circuit is possible by usingthe following formula:
Ikmin= 0.8 x Cmin x Uo x k1 x k2 x k3 AmpSqrt(R2 + X2)
TerminologyIkmin = Weakest short-circuit current0.8 = Assumed factor for the impedance of the upstream
networkCmin = Voltage factor; 0.95 assumedUo = Phase to neutral voltageX = Reactance of the conductors or cables in the circuit
reactance of multi core cables X in m /m 0.08R = Resistance of the conductors or cables in the circuit
based on the following basic data:23.69 m mm2/m. for copper cores*37.64 m mm2/m. for aluminum cores*
The values are in accordance with the Cenelec R064-003 documentfor calculating the weakest short-circuit current with circuitbreakers (warme state value)k1, k2 k3 = Correction factors, see next page
* = 1.28 x 18.51 and 1.28 x 29.41.
Insulation material K factorCopper conductors
S in mm2
1.52.546
10162535507095
120185240300
Rubber134
40112287646
17964597
11223219964489087984
162053258566614544
10342661616040
PVC115
3083
212476
132333868266
162013306364803
119356190440452626761760
1190250
XLPE143
46128327736
20455235
127812505051123
100200184552294466699867
11778621840410
EPR143
46128327736
20455235
127812505051123
100200184552294466699867
11778621840410
Maximum thermal stress x 103
Insulation material K factorAlumin. conductors
S in mm2
46
10162535507095
120185240300
Rubber89
127285792
202849519703
198033881371487
114062271096456250712890
PVC76
92208578
147936107076
14440283025212883174
197684332698519840
XLPE94
141318884
22625523
10824220904329679745
127238302412508954795240
EPR94
141318884
22625523
10824220904329679745
127238302412508954795240
Maximum thermal stress x 103
Maximum thermal stress in isolated conductors (x 103) and k factors accordance with HD 384-5-54.
Record Plus
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Protection against short-circuit
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Maximum conductor length
To meet the requirements the short-circuit device ofthe circuit breaker (Im) must react to the weakestshort-circuit current . The table indicates the maximumcable length where this condition is still met . The tolerances on the settings of the short-circuitdevice in the breaker are taken into account (factorincluded in calculations of 1.2).
Correction factors kFor a 3 phase circuit with no neutral and a voltage of400V between phases:
k1 = 1.74
For a single phase circuit with neutral and a voltage of230V between phase and neutral:
k1 = 1.00
For a 3 phase circuit with neutral, a voltage of 400Vbetween phase and a neutral with 0.5 x the phasecross section:
k1 = 0.67
For a number of multi-core cables in parallelk2 for 2 cores = 2.00k2 for 3 cores = 2.65
For multicore cables with conductors made ofaluminum:
Cu conductorCross section
S in mm2
1.52.546
10162535507095
120150185
50
92154246246
75
61102164246246
100
4677
123184307
125
376198
148246393393
150
315182
123205327511
200
23386192
154246383534534
250
314974
123196306427606
300
264161
102164255356505698698
350
22355388
140219305433598795
400
19314677
123191267379524695855855
450
17274168
109170237337465618760914914
500
1525376198
153214303419556684823965
short-circuit setting of Record PlusTM device in Amps
Cu conductorCross section
S in mm2
2.546
10162535507095
120150185240300
600
1320315182
128178253349464570686804955
700
18264470
109153217299397488588689819926
800
1523386196
134189262348427514603717810
900
1420345585
119168233309380457536637720
1000
18314977
107152209278342411482573648
1250
1525396185
121168222274329386459518
1500
1220335171
101140185228274322382432
1750
1828446187
120159195235276328370
2000
1525385376
105139171206241287324
2500
122031436184
111137165193229259
3000
162636517093
114137161191216
3500
14223143607998
118138164185
short-circuit setting of Record PlusTM device in Amps
Cu conductorCross section
S in mm2
162535507095
150185185240300
4000
12192738527085
103121143162
4500
17243447627691
107127144
5000
21304256688296
115130
5500
19283851627588
104118
6000
1825354657698096
108
6500
23324353637488
100
7000
2230404959698293
7500
2028374655647686
8000
26354351607281
9000
23313846546472
10000
283441485765
12000
232834404854
short-circuit setting of Record PlusTM device in Amps
Cu conductor Cross sectionS in mm2
= 4 ≤ 507095
120150185240300
k3
0.630.640.650.660.670.690.720.76
Maximum cable length in meters in a 3 phase + neutralnetwork (U0=230V) Based on multicore cables with anEPR/XLPE insulation (worst case)
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E.8
Appl
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Personnel protection
If, in low voltage installations, a person makes contactwith two or more conductive materials/ surfaces with adifferent electrical potential he or she will risk apotentially dangerous electrical shock. This results in an electrical current flowing through thepersons body, the effects of which are indicated infigure 1 and the accompanying text . (source IEC 60479-1)
Zone Physiological effects
1 Usually has no reactions or effects. 2 Usually has no harmful effects. 3 Usually, no organic damage is expected.
Here the likelihood is present of muscular contractions anddifficulty in breathing. Reversible disturbances in theformation and conductance of impulses in the heart,including arterial fibrillation and transient cardiac arrestwithout ventricular fibrillation are possible. These effects increase with current magnitude and time.
4 In addition to he effects of Zone 3, the probability ofventricular fibrillation increases from 5% (curve c2) , to about50% (curve c3) and beyond 50% above curve c3. Increasingwith magnitude and time are pathophysiological effects ascardiac and breathing arrest, whilst heavy burns are possible.
If, in a low voltage installation, a person comes intocontact with an earthed part that has accidentallybeen connected to a live conductor, he or she will risk apotentially dangerous electrical shock. The level of voltage over the contact , and the length oftime that the person has to endure this contact can bedangerous. This so called 'Touch Voltage' must belimited to values that a human being can endurewithout physiological damage. The environment in which the fault occurs, dry orhumid, also plays a role in defining 'touch voltage'values. The IEC 60479-1 standard defines numerous touchvoltages or UL values.
50V AC........In a dry environment 25V AC........In a humid environment
The IEC 60479-1 defines that this so called 'TouchVoltage' must be disconnected within 5 seconds. Based on the environment and the associated 'TouchVoltage' maximum disconnect times are also specifiedfor a range of higher voltage value.
The term Personnel protection, as used here, entails theprevention of, or limitation of the effects of electricalshocks that occur during one of two possible contactscenario's, direct and indirect .
Touch Voltage UL= 50VMaximum Disconnect time (s)
Measured VoltageU in Volts
<50507590
120150220280350500
AC Voltage
55
0.60.450.340.270.170.120.080.04
DC Network
555551
0.40.30.20.1
Maximum Disconnect times and touch Voltages
Record Plus
E
E.9
Personnel protection
A
B
C
D
F
G
X
Direct contact
Caused by an accident in which a person comes intocontact with a live electrical conductor and a secondconductive part . Here the person in question becomesa part of the electrical circuit , the current in which isdetermined by the resistance of the earth and that ofthe human body.
How to protect against?The following methods can be used (source HD384)- The use of very low voltage systems as:
SELV (safe, extra low voltage), PELV (protective extralow voltage) and FELV (functional extra low voltage)
- Appropriate conductor insulation.- The use of mechanical barriers or that of enclosures
with the appropriate protection degree. (IP-)- Take the defined safety distances into account when
installing - The use of complementary protection, RCD's with a
sensitivity ≤ 30mA
Indirect contact
Caused when person comes into contact with anearthed part that has accidentally been connected to alive conductor. The level of voltage over the contact ,and the length of time that the person has to endurethis contact can be dangerous. This so called 'TouchVoltage' must be limited to values that a human beingcan endure without physiological damage.
How to protect against?The following concepts can be applied (source HD384)- The use of very low voltage systems as:
SELV (safe, extra low voltage), PELV (protective extralow voltage) and FELV (functional extra low voltage)
- Automatic disconnection of the power supply to theinstallation, or a part thereof.
- The use of materials that provide total insulation(class II)
- The use of a non conductive environment , i.e. Allexposed conductive parts cannot be accessed ortouched in normal operational conditions. Here the use of protective conductors is prohibited,whilst floor and walls must have a certain insulationresistance. (Un<500V AC, 50 kOhm; Un >= 500V AC, 100 kOhm.)
- The use of equipotential bonding or links. These toavoid potential differences between normally non-conductive materials/surfaces. These may not beconnected to earth.
- The use of LV/LV transformers with insulatingproperties.
Record Plus
A
B
C
D
E
F
G
X
E.10
Appl
icat
ion
guid
e
Record PlusTM circuit breakers ,used to protect against direct ,or indirect contact
As moulded case circuit breakers, Record PlusTM haveproperties that automatically forfill a number of therequirements concerning direct and indirect contact .When installed correctly, with the appropriatecover/trim/front plates the device itself offers a highprotection degree of up to IP40 whilst the mouldedcase housing construction ensures a class II protection.
Direct contactThey can be equipped with RCD's of 30mA that arerequired as a complementary protection.
Indirect contactIdeally suited to be used as a device to allow automaticdisconnection of the supply of a part or a fullinstallation. This making use of one of three availableprotection devices.
- A short-circuit protection that can be set over a widerange and normally can be set to detect most earthfault currents.
- An optional RCD device that can detect earth faultcurrents down to extremely low levels.
- The larger frame size can be equipped with a groundfault protection device that can be set to detectmedium to low earth fault currents.
Protection against indirectcontact by automaticdisconnection of the powersupply
Use of the automatic disconnection of the powersupply concept requires that a number of elements istaken into account in a coordinated manner, i.e.:
- The characteristics of the network (earthing system - TT, IT, TN as described).
- The properties of the protective conductors.- The tripping threshold and disconnect time of the
protective device.- The properties of the environment.
This to ensure that the touch voltage does not exceedthe values of UL = 50V AC in a dry environment and UL = 25V AC in a humid environment and that highervoltages are disconnected within the perscribedmaximum disconnect time.
TT system characteristics
One point of the power supply is connected to earthwhilst all conductive parts in the installation areconnected to electrically independent earth electrodes.
O1 Power supply.
O2 Power supply earthing (RN)
O3 Low voltage installation, consumer portion.
O4 Equipment present in installation.
O5 Exposed conductive parts/surfaces.
O6 Installation earthing. (RA)
O7 Optional RCD device.
If a fault to earth or insulation fault occurs, a circuitcomes into being, in which the current runs through thelive conductor that has caused the fault and the twoearth electrodes RA and RB. On indirect contact thetouch voltage UL is directly dependant on the value ofthe local earth electrode RA and the resistance of theprotective conductor by which it is connected. The following formula is valid:
RA x IA ≤ UL
RA = Resistance of local electrode and it's connecting protective conductor.
IA = With circuit breakers the short-circuit protective element of the device (magnetic operating threshold of the protective device)
Due to the very low values of RA required by theapplication of this rule the use of RCD's (see tablebelow) is widespread, and mandatory in severalEuropean countries. (IA is then replaced by the Idn ofthe RCD)
L1L2L3N
7
66
3
1
2
4
5
TouchVoltage UL
25V50V
IA = 200A
0.1250.25
IA = 500A
0.050.01
Idn 300mA
83167
Idn 1A
2550
Idn 3A
817
Examples of RA value based on
Record Plus
E
E.11
Personnel protection
A
B
C
D
F
G
X
TN system characteristics
One or more points of the power supply are connectedto earth whilst all conductive parts in the installationare electrically connected to this point by protectiveconductors. (PE or PEN conductors). The system exits inthree main variants:TNC The neutral and protective conductor are
combined. (PEN)TNS The neutral(N) and protective conductor (PE)
are separate.TNCS The supply is configured as a TNC, the system
changes to a TNS system at a pre-defined point in the LV installation.
O1 Power supply.
O2 Power supply earthing.
O3 Low voltage installation, consumer portion.
O4 Equipment present in installation.
O5 Exposed conductive parts/surfaces.
O6 Additional supply earthing.
O7 Protective conductor combined with the neutral.
O8 Protective device.
0
O1 Power supply.
O2 Power supply earthing.
O3 Low voltage installation, consumer portion.
O4 Equipment present in installation.
O5 Exposed conductive parts/surfaces.
O6 Protective conductor.
O7 Protective device.
Remark : a TNCS system is not depicted
If a fault to earth or insulation fault occurs, a circuitcomes into being, in which the current runs through thelive conductor that has caused the fault and theprotective conductor (PE or PEN). The fault circuit has avoltage equal to the phase to earth voltage U0 of thesystem. On indirect contact the touch voltage UL is notexceeded if the following conditions are met
Zs x IA ≤ U0
Zs = Impedance of the fault circuit .IA = The operating threshold of the protective
device, that warranties a total disconnection time dependant on the phase to earth system voltage. (see table insert)
U0 = The phase to earth voltage of the system.
If the ZS value reaches high values due to long cableruns the use of RCD's is allowed. (IA is then replaced bythe Idn of the RCD).
A second option is the use of a ground fault device.In all cases the Interruption of the protective conductoris prohibited.
The following disconnection times are mandatory:
L1L2L3PEN
8
3
7
62
4
5
1
7
3
1
2
6
4
5
L1L2L3
PEN
Network voltagePhase-Neutral U0
127V230V400V
> 400V
Maximum disconnecting time(AC system)
0.8 sec.0.4 sec.0.2 sec.0.1 sec.
TNC
TNS
Record Plus
A
B
C
D
E
F
G
X
E.12
Appl
icat
ion
guid
e
IT system characteristics
The supply is isolated from earth or connected to earthby means of an impedance of a relatively high value.The conductive parts in the installation are connectedto earth electrodes.
O1 Power supply.
O2 Power supply earthing.
O3 Low voltage installation, consumer portion.
O4 Equipment present in installation.
O5 Exposed conductive parts/surfaces.
O6 Impedance for insulation from earth.
O7 Insulation monitoring device + surge protection
O8 Protective device.
On the first fault to earth or insulation fault in an ITsystem, the protective device does not need to react .Here no fault circuit to earth exists and no potentiallydangerous contact can occur. However, depending on the location of the fault toearth the first fault modifies the system from anisolated IT into a non isolated TN or TT system.To indicate that the IT system is no longer functionalthe use of insulation monitoring devices providing avisual and sonorous alarm of the event is necessary.With the first fault still existing, a second fault to earthmust cause an automatic disconnection of the supplythat must meet the conditions and formulae set out forTT and TN systems indicated here. The possible distribution of a neutral within the systemdoes modify the allowed disconnection times asindicated in the table below.
Required calculations in TN andIT networks
In both the IT and TN network configuration it isnecessary to verify that the protective device willinterrupt the circuit within the defined disconnectiontime. Here the worst case scenario needs to be takeninto account and the weakest possible current flowingin the circuit , on a insulation or earth fault must bedefined (The fault current If ).
Here it is also necessary to establish that the protectivedevice will disconnect within the time limits defined forthe different phase to phase and phase to neutralnetwork voltages, at this current level (Id). To determinethe fault current , the voltage of the circuit and it'simpedance must be known. The circuit impedance beingthat of the upstream installation and that of the live andprotective conductor.
Use of Record PlusTM breakers inthis application
Circuit breakers of the Record PlusTM type disconnectwithin 0.1 seconds on their magnetic threshold (Im onthe electromechanical device) and within 0.2 secondson their ST device (Im on the SMR1 electronic device*).To assure a disconnection that meets the requirementsthe circuit fault current Id must be higher than the Imvalue.With the Im value and the system voltage it is nowpossible to calculate the maximum ZS value of the faultcircuit . This is mainly made up of the electricalconductors in the circuit , therefore these calculationsresult in a maximum cable run length.
Formula for calculating the cable run length.
Lmax= 0.8 x Cmin x x Uo x k1 x k2 x k3 meters{2 x [= (R2 + X2)]} x (Im x kt)
TerminologyLmax = Maximum cable run length0.8 = Assumed factor for the impedance of the upstream
network.Cmin. = Voltage factor; 0.95 assumed
= Coefficient depending on earthing systemTN = 1 IT no neutral = 0.86 IT with neutral = 0.5
Uo = Phase to neutral voltageX = Reactance of the conductors or cables in the circuit.
Reactance of multi core cables m /m. 0.08R = Resistance of the conductors or cables in the circuit.
based on the following basic data:
1 = 23.69 m mm2/m. for copper cores.*37.64 m mm2/m. for aluminum cores.*
Im x kt = Magnetic or ST setting of breaker (Im) x plus tolerance factor (kt[=1.2])
k1-3 = Correction factor (see page with cable run calculations)These being the values in accordance with the Cenelec R064-003 document for calculating the weakest short-circuit current with circuit breakers (worst case assumed)
* = 1.28 x 18.51 and 1.28 x 29.41.
L1L2L3
7
6
2
8
4
5
3
1
Maximum disconnecting time(AC system)
Network voltagePhase-Neutral U0 /
Phase-Phase Un
127/230V230/400V400/690V
No neutral distributed
0.8 sec.0.4 sec.0.2 sec.
Neutral distributed
5 sec.0.8 sec.0.4 sec.
RemarkOn a second insulation fault the protective device can be required tointerrupt the full fault current in a circuit with a voltage equal to thephase to phase value Un. The requirements for interrupting this singlephase fault are now included in the EN 60947-2 (appendix H). Needlessto say that the Record PlusTM breaker meet these requirements, theexact single phase or IIT
values are mentioned in the tables coveringthe technical data of the breaker.
Record Plus
E
E.13
Personnel protection
A
B
C
D
F
G
X
Cable run length calculationsdevice
To meet the requirements the short-circuit device (Im)of the circuit breaker must react to a current equal orlower than the fault current (If). The table indicates the maximum cable lengths wherethis condition is still met . This taking into account thetolerances on the settings of the short-circuit device inthe breaker. (see factor kt [=1.2])
Correction factors For TN networks and IT networks with different voltagesand with or without distributed neutral.
Correction factor k1For a 3 phase circuit with a voltage of 400V betweenphases and a protective conductor with a cross sectionsmaller than the phase value.
Correction factor k2For a number multi core cables in parallel k2 2 = 2.00k2 3 = 2.65
Correction factor k3For multicore cables with conductors made ofaluminium.
Cu conductorCross section
S in mm2
1.52.546
10162535507095
120150185
50
92154246246
75
61102164246246
100
4677
123184307
125
376198
148246393393
150
315182
123205327511
200
23386192
154246383534534
250
314974
123196306427606
300
264161
102164255356505698698
350
22355388
140219305433598795
400
19314677
123191267379524695855855
450
17274168
109170237337465618760914914
500
1525376198
153214303419556684823965
short-circuit setting of Record PlusTM device in Amps
Cu conductorCross section
S in mm2
2.546
10162535507095
120150185240300
600
1320315182
128178253349464570686804955
700
18264470
109153217299397488588689819926
800
1523386196
134189262348427514603717810
900
1420345585
119168233309380457536637720
1000
18314977
107152209278342411482573648
1250
1525396185
121168222274329386459518
1500
1220335171
101140185228274322382432
1750
1828446187
120159195235276328370
2000
1525385376
105139171206241287324
2500
122031436184
111137165193229259
3000
162636517093
114137161191216
3500
14223143607998
118138164185
short-circuit setting of Record PlusTM device in Amps
Cu conductorCross section
S in mm2
162535507095
150185185240300
4000
12192738527085
103121143162
4500
17243447627691
107127144
5000
21304256688296
115130
5500
19283851627588
104118
6000
1825354657698096
108
6500
23324353637488
100
7000
2230404959698293
7500
2028374655647686
8000
26354351607281
9000
23313846546472
10000
283441485765
12000
232834404854
short-circuit setting of Record PlusTM device in Amps
TN networkUo/Un
127 /230V AC230/400V AC400/690V AC
Yes
0.551.001.74
No
1.001.743.00
Neutral distributed
IT networkUo/Un
127 /230V AC230/400V AC400/690V AC
Yes
0.280.500.87
No
0.490.861.48
Neutral distributed
Sph/Spe or pen
1.000.670.500.33
k1
1.000.750.670.50
AL conductor cross section
S in mm2
= 4 ≤ 507095
120150185240300
k3
0.630.640.650.660.670.690.720.76
Maximum cable length in meters in a 3 phase TN system(U0=230V). For IT system see text, calculations based onmuticore cables. (worst case)
Record Plus
A
B
C
D
E
F
G
X
E.14
Appl
icat
ion
guid
e
Selectivity/Discrimination
Fig. 1 depicts a typical distribution network. Hereoutgoing circuits are designed for the current load andthe characteristics of the equipment within the circuit .Outgoing circuits that protect a certain area are placedtogether in panels or form groups within panels.Typically this group of circuits is protected by a second,similar device, the characteristics of which aredetermined in the same manner. This system can beextended to a multiple level distribution network.In case of a fault it is necessary that the device nearestto the fault reacts while all others remain closed. This capability is called discrimination (UK) or selectivity(USA and Europe). If this requirement is not met, a fault(F) in one arm of the distribution system will cause anumber of upstream protection devices wired in series totrip. Thus a minor fault in a socket outlet of a circuit cancause whole floors, buildings or building complexes to becut off from the power supply.
Record PlusTM breakers are specifically designed todiscriminate. By introducing Record PlusTM. GE sets a newstandard in circuit breakers by offering total selectivityfor all normally proportioned distribution systems.
EN 60947-2 amendment 1, app. A defines under“Coordination” that discrimination/selectivity may bepartial up to a pre-defined current limit (Is).Discrimination is considered total when the currentlimit is equal to the rated short-circuit breakingcapacity (Icu or Ics) of the downstream device. Discrimination/Selectivity is determined by comparingthe time it takes an upstream device to react at aspecific current value and - again - comparing this tothe time it takes a downstream device to clear the faultat the same current level. (see Fig. 2) The comparison ofthese two time spans can be used to define whetherdiscrimination is present or not . We have simplified this comparison by applying amultiplication factor between downstream andupstream devices. With the values indicated in thetable we can guarantee discrimination. (see page E.15)
3D discrimination
Record PlusTM downstream-protection-device breakerslimit the energy and current in the protected circuit in alimited time frame. The use of relatively minor timedelays in the short-circuit protection of the upstreambreaker, allows the Record PlusTM line of circuit breakersto achieve total discrimination. Fig. 3 depicts thiscomparison technique. In this graph the Grey areaindicates the time and current values the downstreambreaker allows to flow in the circuit . The coloured areadepicts the current- and energy-reaction level of theupstream device within a certain set time frame.
Fig. 1
Fig. 2
Fig. 3
Msec.
AA2S
Record Plus
E
E.15
Selectivity/Discrim
ination
A
B
C
D
F
G
X
How to determinediscrimination/selectivity withRecord PlusTM (and associateddevices)
Table D1 to D5 (page E.16-E.19) indicate thediscrimination levels that can be achieved with Record PlusTM and associated devices. Wherediscrimination is partial the selectivity limits in kA (Is) arementioned in kA. Where a "T" is found in the tables, this indicates total
discrimination up to the highest breaking capacity of thedevices. These discrimination/selectivity limits are only valid if theratio between the current settings, ratings or timesettings of the upstream and downstream breaker areequal or higher than the factor indicated here.
LTM Thermal magnetic Trip Unit Ir = Overload setting Im = Magnetic setting
LTMD Selective Thermal magnetic Trip Unit Ir = Overload setting Im = Magnetic setting
Mag. BreakTM Magnetic Only Trip UnitIm = Magnetic setting
SMR1 & SMR1e Selective Electronic Trip unitIr = Setting on LT device Ist = Setting on ST device
SMR1s,g and SMR2 Enhanced Electronic Trip unitMPRO 17, 20, 30 & 40 Mpact Electronic Trip Units
Ir = Setting on LT device Ist = Setting on ST device
LTD class, time setting at 7.2 x Ir STD Delay setting on ST deviceA2S Cropped short time device delay settingInst . = Setting on I (Instantaneous) device
* LTD set at class 20
Redline & Hti MCB
Surion Manual Motor Starter
Record PlusTM MCCB
Record PlusTM MCCB
Record PlusTM MCCB
Record PlusTM MCCB
B, C & D curve
Thermal mag or Mag. Only
LTM or LTMD
SMR1
SMR1sSMR2
SMR1
SMR1sSMR2
LTM or LTMD
Ir factor 1.6Im factor 2Ir factor 3Im factor 3Ir factor 1.6Im factor 1.5Ir factor 1.6Im factor 1.5
SMR1, 1e, 1s or 1g
Ir factor 2Ist factor 1.5Ir factor 2Ist factor 1.5Ir factor 2Ist factor 1.5Ir factor 1.6Ist factor 1.5
SMR1, 1e, 1s or 1g
Ir factor 1.6LTD set at one class higherIst factor 1.5STD Set at one band higher
MPRO 17
Ir factor 1.6Ist factor 1.5STD timing 0.2
Ir factor 1.6Ist facto 1.5STD Set at one band higher
SMR2
Ir factor * 1.6Ist factor 1.5Ir factor * 1.6Ist factor 1.5Ir factor * 1.6Ist factor 1.5Ir factor * 1.6Ist factor 1.5
SMR2
Ir factor 1.6LTD set at one class higherIIst factor 1.5STD Set at one band higherInst. factor 1.5A2S Set at one band higher
MPRO 20, 30 & 40
Ir factor 1.6LTD Class 20Ist factor 1.5STD timing 0.2A2S band 0.1Ir factor 1.6LTD set at one class higherIst factor 1.5STD Set at one band higherA2S Set at one band higher
Selectivity/DiscriminationDownstream device
Terminology
Upstream device
Record PlusTM MCCB
Mpact ACB
Record Plus
A
B
C
D
E
F
G
X
E.16
Appl
icat
ion
guid
e
Upstream
Downstream
RedlineG60 & DM60
C45 & C60
G100 & DM100
GT25 B/C curve
Hti - B/C curve
S90 - C curve
SurionGPS1BS & GPS1MSGPS2BS & GPS2MS
SurionGPS1BH & GPS1MHGPS2BH & GPS2MH
Record PlusTM
FD160E
In (A)
≤16202532405063
≤16202532405063
≤1620253240506380
100≤32
40506380
100≤20
2532405063
≤202532405063
≤253240506380
40
0.60.6-----
0.60.6-----
0.60.6-------
0.6-----
0.60.6----T-----
0.4-----
50
2.52.50.8----
2.52.50.8----
2.52.50.8------
0.8-----
2.511---T
2.5----
0.50.5----
63
T3
1.21.2---6
2.51.21.2---63
1.21.2-----
0.90.9----6
1.21.21.2--T
156---
0.60.60.6---
80
TTT33
1.2-66633
1.2-66633
1.2---
1.21.21.2---6633
1.2-T
1566--
0.80.80.80.8--
100
TTTT4
1.51.5T8664
1.51.5108664
1.51.5--
1.51.51.51.5--
10664
1.61.6TT886-11111-
125
TTTTTT2TTT8662TT
108662
1.9-
1.91.91.91.91.9-T
108662TT
101088
1.31.31.31.31.3-
160
TTTTTTTTTTT662TTT
10662
1.91.91.91.91.91.91.91.9TT
10662TTTTTT
1.31.31.31.31.31.3
40
T3.51.6----T
3.51.6----
103.51.6------
0.8-----
101.6----T-----
0.6-----
50
TT
3.5----TT
3.5----
10103.5------1-----
103.5----T
3.5----
0.80.8----
63
TTTT---TTT6---TT
156-----
1.21.2----T
156---T
156---
0.90.90.9---
80
TTTTT
3.5-TTT66
3.5-TT
1566
3.5---
151515---T
1566
3.5-T
15156--
1.21.21.21.2--
100
TTTTTTTTTTTT88TTT
101088--
15151515--TT
101088TT
10108-
1.51.51.51.51.5-
125
TTTTTTTTTTTTTTTTTTT
10102.5-
1515151515-TTTT
1010TTTT
10103.53.53.53.53.5-
160
TTTTTTTTTTTTTTTTTTTTT
2.52.5151515151515TTTTTTTTTTTT
3,53.53.53.53.53.5
40
T3.51.6----T
3.51.6----
103.51.6------
0.8-----T
1.6----T-----
0.6-----
50
TT
3.5----TT
3.52.5---
10103.5------1-----T
3.52.5---T
3.5----
0.80.8----
63
TTTTT--TTTTT--TT
151010----
1.21.2----TTTT--T
156---
0.90.90.9---
80
TTTTT
3.5-TTTTT
3.5-TT
1510103.5---
151515---TTTT
3.5-T
15156--
1.21.21.21.2--
100
TTTTTTTTTTTTT8TTTT
15108--
15151515--TTTTT8TT
10108-
1.51.51.51.51.5-
125
TTTTTTTTTTTTTTTTTTTTT
2.5-
1515151515-TTTTTTTTTT
10103.53.53.53.53.5-
160
TTTTTTTTTTTTTTTTTTTTT
2.52.5151515151515TTTTTTTTTTTT
3.53.53.53.53.53.5
Record PlusTM type
FD160E FD160S FD160N, H & L
Selectivity limit in kA
* T = Total: selective unil the lowest Icu value of the two devices placed in series.
Table D1 - Selectivity/Discrimination
Record Plus
E
E.17
Selectivity/Discrim
ination
A
B
C
D
F
G
X
Upstream
Downstream
RedlineG60 & DM60
C45 & C60
G100 & DM100
GT25 B/C curve
Hti - B/C curve
S90 - C curve
SurionGPS1BS & GPS1MSGPS2BS & GPS2MS
SurionGPS1BH & GPS1MHGPS2BH & GPS2MH
Record PlusTM
FD160E
Record PlusTM
FD160S FD160NFD160H FD160L
Record PlusTM
FE160N LTM FE160H LTMFE160L LTM
In (A)
≤202532405063
≤16202532405063
≤1620253240506380
100125≤32
40506380
100≤20
2532405063
≤202532405063
≤40506380
100125160≤40
506380
100125160≤40
506380
100125
63
T1.21.2---6
2.51.21.2---6
2.51.21.2------
0.6-----
0.60.60.60.6--
0.60.60.60.6--
0.6------
0.63------
0.6-----
80
TT33
1.2-66633
1.2-66633
1.2----
0.8-----33311-
2.52.52.511-11-----
0.80.8-----
0.80.8----
100
TTT4
1.51.5T8664
1.51.5108664
1.51.5---
0.950.9----663111663
1.21.21.2111----111----111---
125
TTTTT2TTT8662TT
1086621--
1.21.21.2---6666336666
2.52.51111---
1.251.251.251.25
---
1.251.251.251.25
--
160
TTTTTTTTTT662TTT
1066222-
1.51.51.51.51.5-
10108664
1010866622222--
1.61.61.61.61.6--
1.61.61.61.61.6-
100
TTTTT-TTTTTT-TTTTTT----TTT---TTTTT-TTTTT-TTT----
303030----
303030---
125
TTTTTTTTTTTTTTTTTTTTT--TTTTT-TTTTTTTTTTTTTTTT---
30303030---
30303030--
160
TTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTT-
3030303030--
3030303030-
63
TTT---TTTTT--TTTTT-----TT----TTTT--TTTT--T------
36------
36-----
125
TTTTTTTTTTTTTTTTTTTTT--TTTTT-TTTTTTTTTTTTTTTT---
36363636---
36363636--
160
TTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTT-
3636363636--
363636363636
125
TTTTTTTTTTTTTTTTTTTT---TTTT--TTTTTTTTTTTTTTTT---
42424242---
42424242--
160
TTTTTTTTTTTTTTTTTTTTTT-TTTTTTTTTTTTTTTTTTTTTTT--
4242424242--
4242424242-
200&250
TTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTT
42424242424242424242424242
125
TTTTTTTTTTTTTTTTTTTT---TTTT--TTTTTTTTTTTTTTTT---
50505050---
505050---
160
TTTTTTTTTTTTTTTTTTTTTT-TTTTTTTTTTTTTTTTTTTTTTT--
5050505050--
5050505050-
250
TTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTT
50505050505050505050505050
Record PlusTM type
FE160N, H & L - LTM FE160N, H & L - LTMD FE160N, H & L - SMR1 FE250N, H & L - LTMD FE250N, H & L - SMR1
Selectivity limit in kA
* T = Total: selective unil the lowest Icu value of the two devices placed in series.
Table D2 - Selectivity/Discrimination
Record Plus
A
B
C
D
E
F
G
X
E.18
Appl
icat
ion
guid
e
Upstream
Downstream
RedlineG60 B/C curveG100 B/C curveGT25 B/C curveHti - B/C curve
S90 - C curve
SurionGPS1BS & GPS1MSGPS2BS & GPS2MSGPS1BH & GPS1MHGPS2BH & GPS2MH
Record PlusTM
FD160EFD160S LTM
Record PlusTM
FD160 N, H & LLTMD & MO
Record PlusTM
FE160 N, H & LLTM & MO
Record PlusTM
FE160 N, H & LLTMDSMR1
Record PlusTM
FE250 N, H & LLTMDSMR1Record PlusTM
FG400 N, H & LSMR1
In (A)
≤405063
≤80100125≤40
506380
100≤40
5063
≤405063
≤3240506380
100125160≤32
40506380
100125160≤32
40506380
100125160≤32
40506380
100125160125160200250250350400
63
T-----T----T-----TT------T
36------
3636------
0.80.8-------------
125
TTT---TTT--TTTTTTTTTTT---T
36363636---
3636363636---
1.81.81.81.8-----------
160
TTTTT-TTTT-TTTTTTTTTTTT--T
3636363636--
363636363636--
2.22.22.22.22.22.2---------
125
TT----TTT--TTTTTTTTTTT---T
42424242---
42424242----
1.31.3-------------
160
TTTTT-TTTT-TTTTTTTTTTTT--T
4242424242--
424242424242--
1.61.61.61.61.61.6---------
200&250
TTTTTTTTTTTTTTTTTTTTTTTTTT
4242424242424242424242424242422.52.52.52.52.52.52.52.52.5------
125
TT----TTT--TTTTTTTTTTT---T
50505050---
50505050----
1.81.8-------------
160
TTTTT-TTTT-TTTTTTTTTTTT--T
5050505050--
505050505050--
2.22.22.22.22.22.2---------
250
TTTTTTTTTTTTTTTTTTTTTTTTTT
5050505050505050505050505050503.53.53.53.53.53.53.53.53.5------
400/250
TTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTT--TTTTTTTT
15------
400/350
TTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTT
15151515---
400/400
TTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTT
15151515---
630/400
TTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTT6--
630/500
TTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTT66-
630/630
TTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTT666
Record PlusTM type
FE160N,H&L - SMR1 FE250N,H&L - LTMD FE250N,H&L - SMR1 FG400/630N, H&L - SMR1 & SMR2(1)
Selectivity limit in kA
* T = Total: selective unil the lowest Icu value of the two devices placed in series.(1) ...../..... = Contact rating/Sensor rating
Table D3 - Selectivity/Discrimination
Record Plus
E
E.19
Selectivity/Discrim
ination
A
B
C
D
F
G
X
Upstream
Downstream
RedlineG60/100/GT25SurionGPSHtiS90Record PlusTM
FD160 E, S, N, H & L FE160N, H and LFE250 N, H & LFG400 N, H & LFG630N, H & LFK800 N, H & LFK1250 N, H & L
In (A)
All
AllAllAll
AllAllAllAllAllAllAll
800
T
TTT
TTTT
25--
800
T
TTT
TTTT
25--
1000
T
TTT
TTTTT
15-
1250
T
TTT
TTTTT
15-
1000
T
TTT
TTTTT
15-
1250
T
TTT
TTTTT
15-
1600
T
TTT
TTTTT
2525
Record PlusTM type
FK800N&H SMR1 FK800L SMR1 FK1250N&H SMR1 FK1250L SMR1 FK1600N&H SMR
Selectivity limit in kA
Upstream
Downstream
RedlineG60/100/GT25SurionGPSHtiS90Record PlusTM
FD160 E, S, N, H & LFE160 N, H & LFE250 N, H & LFG400 N, H & L
FG630 N, H & L
FK800 N, H & LFK1250 N, H & L
FK1600 N and H Mpact ACB Frame 1Frame 2
In (A)
All
AllAll
AllAllAll
250350400400500630All
100012501600400800
10001250160020002500
400
T
TTT
TTTT----------------
800
T
TTT
TTTTTTT------T------
1000
T
TTT
TTTTTTTTT----T------
1250
T
TTT
TTTTTTTTTT---TT-----
1600
T
TTT
TTTTTTTTTTT--TTT----
2000
T
TTT
TTTTTTTTTTTTTTTTT---
2500
T
TTT
TTTTTTTTTTTTTTTTTTT-
1000
T
TTT
TTTTTTTTTT---T------
1250
T
TTT
TTTTTTTTTTT--TT-----
1600
T
TTT
TTTTTTTTTTTT-TTT----
2000
T
TTT
TTTTTTTTTTTTTTTTT---
2500
T
TTT
TTTTTTTTTTTTTTTTTT--
3200
T
TTT
TTTTTTTTTTTTTTTTTTT-
4000
T
TTT
TTTTTTTTTTTTTTTTTTTT
M Pact ACB type
Frame1 N and H type Frame2 N and H type
Selectivity limit in kA
* T = Total: selective until the Icu of the downstream device OR the Icu of the upstream device
* T = Total: selective until the Icu of the downstream device OR the Icu of the upstream device
Table D4 - Selectivity/Discrimination
Table D5 - Selectivity/Discrimination
Record Plus
A
B
C
D
E
F
G
X
E.20
Appl
icat
ion
guid
e
Back-up protection
One of the operational requirements for a protectivedevice is that its rated short-circuit breaking capacityIcu or Ics is either equal or greater than the prospectiveshort-circuit current at the point where it is installed. EN 60384 defines one exception to this in clause 434:
The upstream device must posses the necessary ratedshort-circuit breaking capacity at its point of installation.The upstream device must coordinate with thedownstream device in a manner that will limit the energyand short-circuit values to levels that the downstreamdevice can handle.
Use of current limitation
Installing an upstream device that limits the prospectiveshort-circuit values will enable the user to place adownstream device with a lower breaking capacity. The coordination between the two devices allowsexcellent breaking capacity at a low cost .
Record PlusTM
The Record PlusTM rotating dual contact configurationlimits the energy and current values of prospective faultsto extremely low values. This key design feature allowsthe use of cost-effective downstream devices whilemaintaining overall system protection.Back-up protection is inherently „unselective“ or „non-discriminating“. That means that the upstreamdevice must react first in order to protect thedownstream device. However, the Record PlusTM devicesare so current limiting that the current and energyvalues present in the circuit do not trip the upstreambreaker. Please refer to the details on „Selectivity Plus“for a description of this technique.
The tables B1 and B2 are in complete accordance withthe EN 60947-2 requirements and have been verifiedthrough experiment where necessary. They provide datafor the Record PlusTM breaker and the other GE Power Controls/Industrial Systems product lines. The values are only applicable for the devicesmentioned.
Record Plus
E
E.21
Back-up protection
A
B
C
D
F
G
X
Upstream
Downstream
RedlineC30C60 & DME60G60 & DM60G100 & DM100GT25 ≤25AGT25 32 & 40AGT25 50 & 63AHtiS90SurionGPS1A ≤16AGPS1A >16AGPS1HA allGPS2A ≤16AGPS2A >16AGPS2HA allRecord PlusTM
FD160EFD160SFD160NFD160HFE160NFE160HFE250NFE250HFG400NFG400HFG630NFG630HFK800NFK800HFK1250NFK1250H
Icu
In (A)
366
102520151525
10050
100100
50100
365085
10085
10085
10085
10085
10080
10080
100
36
4.51022303630252536
------
----------------
50
61225365036303050
------
50---------------
Record PlusTM type
Icu of the combination in kAFD
63/1
60E
FD63
/160
S
FD63
/160
N
FD63
/160
H
FD63
/160
L
FE16
0N
FE16
0H
FE16
0L
FE25
0N
FE25
0H
FE25
0L
FG40
0N
FG40
0H
FG40
0L
FG63
0N
FG63
0H
FG63
0L
FK80
0N
FK80
0H
FK80
0L
FK12
50N
FK12
50H
FK12
50L
FK16
00N
FK16
00H
85
81536508565505085
-85--
85-
65---------------
100
101885
100100100100100100
-100
--
100-
8585
100-------------
200
122285
100100100100100100
150150150150150150
100100200200
------------
85
81536508565505085
------
65---------------
100
101885
100100100100100100
-100
--
100-
8585
100-
100-----------
200
122285
100100100100100100
150150150150150150
100100200200200200
----------
85
4.51036508565505085
------
65---------------
100
61250658585656585
-100
--
100-
8585
100-
100-
100---------
200
81550658585656585
150150150150150150
100100200200200200200200
--------
85
--
1622-----
------
65---------------
100
--
1622-----
------
8585
100-
100-
100-
100-------
200
--
1622-----
------
100100200200200200200200200200
------
85
--
1416-----
------
65---------------
100
--
1416-----
------
8585
100-
100-
100-
100-
100-----
200
--
1416-----
------
100100200200200200200200200200200200
----
80
---------
------
--
80-
80-
80-
80-
80-
80-
80-
100
---------
------
--
100100100100100100100100100100100100100100
170
---------
------
--
150150150150150150150150150150150170170170
80
---------
------
--
80-
80-
80-
80-
80-
80-
80-
100
---------
------
--
100100100100100100100100100100100100100100
170
---------
------
--
150150150150150150150150150150150170170170
80
---------
------
--
80-
80-
80-
80-
80-
80-
80-
100
---------
------
--
100100100100100100100100100100100100100100
Table B1 - Back-up protection at 230/240V
Upstream
Downstream
RedlineG60 & DM60G100 & DM100GT25 ≤25AGT25 32 & 40AGT25 50 & 63AHtiS90SurionGPS1A ≤10AGPS1A 12.5AGPS1A ≥16AGPS1HA ≤12.5AGPS1HA >12.5AGPS2A 10AGPS2A > 10AGPS2HA 10AGPS2HA > 10ARecord PlusTM
FD160EFD160SFD160NFD160HFE160NFE160HFE250NFE250HFG400NFG400HFG630NFG630HFK800NFK800HFK1250NFK1250H
Record PlusTM type
Icu of the combination in kA
FD63
/160
E
FD63
/160
S
FD63
/160
N
FD63
/160
H
FD63
/160
L
FE16
0N
FE16
0H
FE16
0L
FE25
0N
FE25
0H
FE25
0L
FG40
0N
FG40
0H
FG40
0L
FG63
0N
FG63
0H
FG63
0L
FK80
0N
FK80
0H
FK80
0L
FK12
50N
FK12
50H
FK12
50L
FK16
00N
FK16
00H
Icu
In (A)
6102520151015
1005025
10050
10025
10050
25365080508050805080508050805080
25
1515---
15-
---------
----------------
30
22253030252525
---------
30---------------
50
30364036363636
--
40---
40--
3642--------------
80
36405040404040
-8050-
80-
50-
80
425080-------------
150
40506550505050
15015065
15015015065
150150
5065
150150
------------
50
30364036363636
--
40---
40--
3642--------------
80
36405040404040
-8050-
80-
50-
80
425080-
80-----------
150
40506550505050
15015065
15015015065
150150
5065
150150150150
----------
50
22253030252525
--
40---
40--
3642--------------
80
30364036363636
-8050-
80-
50-
80
425080-
80-
80---------
150
36404040403640
15015065
15015015065
150150
5065
150150150150150150
--------
50
1222-----
---------
3642--------------
80
1222-----
---------
425080-
80-
80-
80-------
150
1222-----
---------
5065
150150150150150150150150
------
50
1016-----
---------
3642--------------
80
1016-----
---------
425080-
80-
80-
80-
80-----
150
1016-----
---------
5065
150150150150150150150150150150
----
50
-------
---------
----------------
80
-------
---------
--
80-
80-
80-
80-
80-
80-
80-
100
-------
---------
--
100100100100100100100100100100100100100100
50
-------
---------
----------------
80
-------
---------
--
80-
80-
80-
80-
80-
80-
80-
100
-------
---------
--
100100100100100100100100100100100100100100
50
-------
---------
----------------
80
-------
---------
--
80-
80-
80-
80-
80-
80-
80-
Table B2 - Back-up protection at 400/415V
Record Plus
A
B
C
D
E
F
G
X
E.22
Appl
icat
ion
guid
e
Application guideSelectivity Plus
Back-up protection requires an upstream device to open inorder to protect the downstream device(s) before the down-stream devices can be damaged. For continuity of service it isdesirable that the upstream device remains closed and thatonly the downstream device closest to the fault reacts.The Record PlusTM family of breakers resolves this paradox: thebreakers are so current limiting that let-through energy andcurrent are not sufficient to operate the upstream breaker.The result discrimination to current levels that are higher than
the rated short-circuit breaking capacity of the downstreambreaker.Tables DB1 to DB5 provide the data for the Record PlusTM breaker line used in combination with theElfaPlus, Surion and MPact protection devices. The values inthe table are in kA and indicate the results of the SelectivityPlus technique. Before the slash the discrimination limit in kA, after the slashthe back-up protection value at 400V in kA (e.g. 50/80).
Upstream
Downstream
RedlineG30 B/C curve
G60 B/C curve
G100 B/C curve
GT25 B/C curve
SurionGPS1BAGPS1MAGPS2BAGPS2MA
GPS1BHGPS1MHGPS2BHGPS2MH
In (A)
≤202532405063
≤202532405063
≤202532405063
≤202532405063
≤1012.5
16/2025/32
4050/63
≤1012.5
16/2025/3250/63
63
16/1615/1610/16
---
25/2515/2510/25
---
25/3015/3010/30
---
30/3615/3610/36
---
50/5036/3636/3636/36
--
50/5050/5050/5050/50
-
80
16/1615/1610/1610/16
--
25/2515/2510/2510/25
--
30/3015/3010/3010/30
--
36/3615/3610/3610/36
--
50/5036/3636/3636/3636/36
-50/5050/5050/5050/50
-
100
16/1616/1616/1615/1610/16
-25/2525/2525/2515/2510/25
-30/3030/3030/3015/3010/30
-36/3630/3630/3615/3610/36
-50/5036/3636/3636/3636/3636/3650/5050/5050/5050/5050/50
125
16/1616/1616/1616/1616/1616/1625/2525/2525/2525/2522/2522/2530/3030/3030/3025/3022/3022/3036/3630/3630/3625/3622/3622/3650/5036/3636/3636/3636/3636/3650/5050/5050/5050/5050/50
160
16/1616/1616/1616/1616/1616/1625/2525/2525/2525/2522/2522/2530/3030/3030/3025/3022/3022/3036/3630/3630/3625/3622/3622/3650/5036/3636/3636/3636/3636/3650/5050/5050/5050/5050/50
63
22/2215/2210/22
---
30/3015/3010/30
---
30/3615/3610/36
---
30/4215/4210/42
---
80/8042/4242/4242/42
--
80/8080/8080/8080/80
-
80
22/2215/2210/2210/22
--
30/3030/3030/3022/30
--
36/3615/3610/3610/36
--
36/4215/4210/4210/42
--
80/8042/4242/4242/4242/42
-80/8080/8080/8080/80
-
100
22/2222/2222/2222/2222/22
-30/3030/3030/3030/3022/30
-36/3630/3625/3615/3610/36
-36/4230/4230/4215/4210/42
-80/8042/4242/4242/4242/4242/4280/8080/8080/8080/8080/80
125
22/2222/2222/2222/2222/2222/2230/3030/3030/3030/3022/3022/3036/3630/3625/3625/3622/3622/3636/4230/4230/4225/4222/4222/4280/8042/4242/4242/4242/4242/4280/8080/8080/8080/8080/80
160
22/2222/2222/2222/2222/2222/2230/3030/3030/3030/3022/3022/3036/3630/3625/3625/3622/3622/3636/4230/4230/4225/4222/4222/4280/8042/4242/4242/4242/4242/4280/8080/8080/8080/8080/80
63
25/2515/2510/25
---
36/3622/3616/36
---
36/4215/4210/42
---
36/5015/5010/50
---
150/15050/5050/5050/50
--
150/150150/150150/150150/150
-
80
25/2515/2510/2510/25
--
36/3630/3625/3622/36
--
36/4215/4210/4210/42
--
36/5015/5010/5010/50
--
150/15050/5050/5050/5050/50
-150/150150/150150/150150/150
-
100
25/2525/2525/2515/2510/25
-36/3630/3625/3625/3622/36
-36/4230/4225/4215/4210/42
-36/5030/5030/5015/5010/50
-150/150
50/5050/5050/5050/5050/50
150/150150/150150/150150/150150/150
125
25/2525/2525/2525/2522/2522/2536/3630/3625/3625/3622/3622/3636/4230/4225/4225/4222/4222/4236/5030/5030/5025/5022/5022/50
150/15050/5050/5050/5050/5050/50
150/150150/150150/150150/150150/150
160
25/2525/2525/2525/2522/2522/2536/3630/3625/3625/3622/3622/3636/4230/4225/4225/4222/4222/4236/5030/5030/5025/5022/5022/50
150/15050/5050/5050/5050/5050/50
150/150150/150150/150150/150150/150
Record PlusTM type
FD160N - LTMD FD160H - LTMD FD160L - LTMD
Selectivity limit in kA / Maximum Icu of combination at 400/415V ac
Table DB1 - Selectivity Plus
Upstream
Downstream
C30 B/C curve
C60 B/C curve & DME60
In (A)
≤20A25A32A40A≤20A25A32A40A
63
8/88/86/6
-12/1212/1210/10
-
80
8/88/88/88/8
12/1212/1212/1212/12
100
8/88/88/88/8
12/1212/1212/1212/12
125
8/88/88/88/8
12/1212/1212/1212/12
160
8/88/88/88/8
12/1212/1212/1212/12
63
10/1010/10
8/8-
15/1515/1512/12
-
80
10/1010/1010/1010/1015/1515/1515/1515/15
100
10/1010/1010/1010/1015/1515/1515/1515/15
125
10/1010/1010/1010/1015/1515/1515/1515/15
160
10/1010/1010/1010/1015/1515/1515/1515/15
63
12/1212/1210/10
-18/1818/1815/15
-
80
12/1212/1212/1212/1218/1818/1818/1815/18
100
12/1212/1212/1212/1218/1818/1818/1818/18
125
12/1212/1212/1212/1218/1818/1818/1818/18
Record PlusTM type
Table DB1a - Selectivity Plus
160
12/1212/1212/1212/1218/1818/1818/1818/18
Selectivity limit in kA / Maximum Icu of combination at 230/240V AC
FD160N - LMLD FD160H - LMLD FD160L - LMLD
Record Plus
E
E.23
Selectivity Plus
A
B
C
D
F
G
X
Upstream
Downstream
RedlineG30 B/C curve
G60 B/C curve
G100 B/C curve
GT25 B/C curve
SurionGPS1BAGPS1MAGPS2BAGPS2MA
GPS1BHGPS1MHGPS2BHGPS2MH
In (A)
≤202532405063
≤202532405063
≤202532405063
≤202532405063
≤1012.5
16/2025/32
4050/63
≤1012.5
16/2025/32
4050/63
100
16/1616/1616/1616/1616/16
-30/3030/3030/3030/3030/30
-36/3636/3636/3636/3636/36
-40/4040/4036/3636/3636/36
-50/5036/3636/3636/3636/36
-50/5050/5050/5050/5050/50
-
125
16/1616/1616/1616/1616/1616/1630/3030/3030/3030/3030/3030/3036/3636/3636/3636/3636/3636/3640/4040/4036/3636/3636/3636/3650/5036/3636/3636/3636/3636/3650/5050/5050/5050/5050/5050/50
160
16/1616/1616/1616/1616/1616/1630/3030/3030/3030/3030/3030/3036/3636/3636/3636/3636/3636/3640/4040/4036/3636/3636/3636/3650/5036/3636/3636/3636/3636/3650/5050/5050/5050/5050/5050/50
100
22/2222/2222/2222/2222/22
-36/3636/3636/3636/3636/36
-40/4040/4040/4040/4040/40
-50/5050/5040/4040/4040/40
-80/8042/4242/4242/4242/42
-80/8080/8080/8080/8080/80
-
125
22/2222/2222/2222/2222/2222/2236/3636/3636/3636/3636/3636/3640/4040/4040/4040/4040/4040/4050/5050/5040/4040/4040/4040/4080/8042/4242/4242/4242/4242/4280/8080/8080/8080/8080/8080/80
160
22/2222/2222/2222/2222/2222/2236/3636/3636/3636/3636/3636/3640/4040/4040/4040/4040/4040/4050/5050/5040/4040/4040/4040/4080/8042/4242/4242/4242/4242/4280/8080/8080/8080/8080/8080/80
100
25/2525/2525/2525/2525/25
-40/4040/4040/4040/4040/40
-50/5050/5050/5050/5050/50
-65/6565/6550/5050/5050/50
-150/150
50/5050/5050/5050/50
-150/150150/150150/150150/150150/150
-
125
25/2525/2525/2525/2525/2525/2540/4040/4040/4040/4040/4040/4050/5050/5050/5050/5050/5050/5065/6565/6550/5050/5050/5050/50
150/15050/5050/5050/5050/5050/50
150/150150/150150/150150/150150/150150/150
160
25/2525/2525/2525/2525/2525/2540/4040/4040/4040/4040/4040/4050/5050/5050/5050/5050/5050/5065/6565/6550/5050/5050/5050/50
150/15050/5050/5050/5050/5050/50
150/150150/150150/150150/150150/150150/150
125
16/1616/1616/1616/1616/1616/1622/2222/2222/2222/2222/2222/2225/2525/2525/2525/2525/2525/2530/3030/3030/3030/3025/2525/2550/5036/3636/3636/3636/36
-50/5050/5050/5050/5050/50
-
160/200
16/1616/1616/1616/1616/1616/1622/2222/2222/2222/2222/2222/2225/2525/2525/2525/2525/2525/2530/3030/3030/3030/3025/2525/2550/5036/3636/3636/3636/3636/3650/5050/5050/5050/5050/5050/50
250
16/1616/1616/1616/1616/1616/1622/2222/2222/2222/2222/2222/2225/2525/2525/2525/2525/2525/2530/3030/3030/3030/3025/2525/2550/5036/3636/3636/3636/3636/3650/5050/5050/5050/5050/5050/50
125
22/2222/2222/2222/2222/2222/2230/3030/3030/3030/3030/3030/3036/3636/3636/3636/3636/3636/3640/4040/4036/3636/3636/3636/3680/8042/4242/4242/4242/42
-80/8080/8080/8080/8080/80
-
160/200
22/2222/2222/2222/2222/2222/2230/3030/3030/3030/3030/3030/3036/3636/3636/3636/3636/3636/3640/4040/4036/3636/3636/3636/3680/8042/4242/4242/4242/4242/4280/8080/8080/8080/8080/8080/80
250
22/2222/2222/2222/2222/2222/2230/3030/3030/3030/3030/3030/3036/3636/3636/3636/3636/3636/3640/4040/4036/3636/3636/3636/3680/8042/4242/4242/4242/4242/4280/8080/8080/8080/8080/8080/80
125
25/2525/2525/2525/2525/2525/2536/3636/3636/3636/3636/3636/3640/4040/4040/4040/4040/4040/4040/4040/4040/4040/4040/4040/40
150/15050/5050/5050/5050/50
-150/150150/150150/150150/150150/150
-
160/200
25/2525/2525/2525/2525/2525/2536/3636/3636/3636/3636/3636/3640/4040/4040/4040/4040/4040/4040/4040/4040/4040/4040/4040/40
150/15050/5050/5050/5050/5050/50
150/150150/150150/150150/150150/150150/150
250
25/2525/2525/2525/2525/2525/2536/3636/3636/3636/3636/3636/3640/4040/4040/4040/4040/4040/4040/4040/4040/4040/4040/4040/40
150/15050/5050/5050/5050/5050/50
150/150150/150150/150150/150150/150150/150
Record PlusTM type
FE160N-LTMD/SMR1 FE160H-LTMD/SMR1 FE160L-LTMD/SMR1 FE250N-LTMD/SMR1 FE250H-LTMD/SMR1 FE250L-LTMD/SMR1
Selectivity limit in kA / Maximum Icu of combination at 400/415V ac
Table DB2 - Selectivity Plus
Upstream
Downstream
C30 B/C curve
C60 B/C curve & DME60
In (A)
≤20A25A32A
40A≤20A25A32A40A
100
8/88/88/88/8
15/1515/1515/1515/15
125
8/88/88/88/8
15/1515/1515/1515/15
160
8/88/88/88/8
15/1515/1515/1515/15
100
10/1010/1010/1010/1018/1818/1818/1818/18
125
10/1010/1010/1010/1018/1818/1818/1818/18
160
10/1010/1010/1010/1018/1818/1818/1818/18
100
12/1212/1212/1212/1222/2222/2222/2222/22
125
12/1212/1212/1212/1222/2222/2222/2222/22
160
12/1212/1212/1212/1222/2222/2222/2222/22
125
8/88/88/88/8
10/1010/1010/1010/10
160/200
8/88/88/88/8
10/1010/1010/1010/10
250
8/88/88/88/8
10/1010/1010/1010/10
125
10/1010/1010/1010/1012/1212/1212/1212/12
160/200
10/1010/1010/1010/1012/1212/1212/1212/12
12/1212/1212/1212/1215/1515/1515/1515/15
12/1212/1212/1212/1215/1515/1515/1515/15
12/1212/1212/1212/1215/1515/1515/1515/15
Record PlusTM type
Table DB2a - Selectivity Plus
250
10/1010/1010/1010/1012/1212/1212/1212/12
Selectivity limit in kA / Maximum Icu of combination at 230/240V AC
FE160N - LMLD/SMR1 FE160H - LTMD/SMR1 FE160L - LTMD/SMR1 FE250N - LTMD/SMR1 FE250H - LTMD/SMR1 FE250L - LTMD/SMR1
Record Plus
A
B
C
D
E
F
G
X
E.24
Appl
icat
ion
guid
e
Upstream
In (A)Downstream
Record PlusTM
FD 63S LTMD FD 63N LTMD FD 63H LTMD FD160S LTMD ≤80AFD160N LTMD ≤80AFD160H LTMD ≤80AFE 160N LTM ≤80AFE 160H LTM ≤80A
125
30/4230/80
-30/4230/80
-30/80
-
160
30/4230/80
-30/4230/80
-30/80
-
FE160H-LTMD
125
30/5030/15030/15030/50
30/15030/15030/15030/150
160
30/5030/15030/15030/50
30/15030/15030/15030/150
FE160L-LTMD
125
36/4236/80
-36/4236/80
-36/80
-
160
36/4236/80
-36/4236/80
-36/80
-
FE160H-SMR1
125
36/5036/15036/15036/50
36/15036/15036/15036/150
160
36/5036/15036/15036/50
36/15036/15036/15036/150
FE160L-SMR1
160/200
42/4242/80
-42/4242/80
-42/80
-
250
42/4242/80
-42/4242/80
-42/80
-
FE250H-LTMD
160/200
42/5042/15042/15042/50
42/15042/15042/15042/150
250
42/5042/15042/15042/50
42/15042/15042/15042/150
FE250L-LTMD
160
42/4250/80
-42/4250/80
-50/80
-
250
42/4250/80
-42/4250/80
-50/80
-
FE250H-SMR1
160
50/5050/15050/15050/50
50/15050/15050/15050/150
250
50/5050/15050/15050/50
50/15050/15050/15050/150
FE250L-SMR1
Selectivity limit in kA / Maximum Icu of combination
Record PlusTM type
Selectivity limit in kA / Maximum Icu of combination
Record PlusTM type
250
50/5080/80
150/15050/5080/80
-80/80
-80/80
-
350
50/5080/80
150/15050/5080/80
150/15080/80
150/15080/80
150/150
400
50/5080/80
150/15050/5080/80
150/15080/80
150/15080/80
150/150
250
65/65150/150150/150
65/65150/150
-150/150
-150/150
-
350
65/65150/150150/150
65/65150/150150/150150/150150/150150/150150/150
400
65/65150/150150/150
65/65150/150150/150150/150150/150150/150150/150
250
50/5080/80
150/15050/5080/80
-80/80
-80/80
-
350
50/5080/80
150/15050/5080/80
150/15080/80
150/15080/80
150/150
400
50/5080/80
150/15050/5080/80
150/15080/80
150/15080/80
150/150
250
65/65150/150150/150
65/65150/150
-150/150
-150/150
-
350
65/65150/150150/150
65/65150/150150/150150/150150/150150/150150/150
400
65/65150/150150/150
65/65150/150150/150150/150150/150150/150150/150
FG400H-SMR FG400L-SMR FG630H-SMR FG630L-SMRUpstream
In (A)Downstream
Record PlusTM
FD 63S LTMD FD 63N LTMD FD 63H LTMD FD160S LTMD FD160N LTMD FD160H LTMD FE 160N LTM <MD FE 160H LTM & LTMD FE 160N SMR1 FE 160H SMR1
Selectivity limit in kA / Maximum Icu of combination
Record PlusTM type
800
80/8080/8080/8080/8080/8080/8080/8080/8080/8080/80
800
80/80100/100
80/80100/100
80/80100/100
80/80100/100
80/80100/100
1000
80/8080/8080/8080/8080/8080/8080/8080/8080/8080/80
1250
80/8080/8080/8080/8080/8080/8080/8080/8080/8080/80
1000
80/80100/100
80/80100/100
80/80100/100
80/80100/100
80/80100/100
1250
80/80100/100
80/80100/100
80/80100/100
80/80100/100
80/80100/100
1600
80/8080/8080/8080/8080/8080/8080/8080/8080/8080/80
FK800H-SMR FK800L-SMR FK1250H-SMR FK1250L-SMR FK1600H-SMRUpstream
In (A)Downstream
Record PlusTM
FD 63N LTMD FD 63H LTMD FE 160N LTMD-SMR1FE 160H LTMD -SMR1FE 250N LTMD -SMR1FE 250H LTMD-SMR1FG 400N SMRFG 400H SMRFG 630N SMRFG 630H SMR
Table DB3 - Selectivity Plus
Table DB4 - Selectivity Plus
Table DB5 - Selectivity Plus
Record Plus
E
E.25
Coordination with disconnectors
A
B
C
D
F
G
X
Coordination with loadbreakdisconnect switches
Record PlusTM circuit breakers excel in theircharacteristics as current and energy limitingdevices. This allows one to use lighter and moreeconomical downstream busbar systems andswitchgear.
A frequently used combination is that of a Record PlusTM breaker, used as a protection andswitching device in the mains switchboard, and aDilos loadbreak switch, as an incomer, in adownstream, secondary switchboard. In thisapplication the Dilos needs to be able to withstandthe current and energy values on a short-circuitevent , this taking the limiting effects of theupstream breaker into account .
The table indicates the maximum prospectiveshort-circuit that the combination of an upstreamRecord PlusTM and a downstream Dilos or Record PlusTM in its switch disconnect variant (type Y) can withstand.
Upstream Record PlusTM
circuit breaker
FD63/160S
FD63/160N
FD63/160H
FD63/160L
FE160N
FE160H
FE160L
FE250NFE250HFE250LFG400NFG400HFG400LFG630NFG630HFG630LFK800NFK800HFK1250NFK1250HFK1600NFK1600H
Breaking capacity,Icu=Ics (kA eff.)
36
50
80
150
50
80
150
5080
1505080
1505080
150508050805080
Downstream Dilosswitch
Dilos 1 & 1HDilos 2Dilos 1 & 1HDilos 2Dilos 1 & 1HDilos 2Dilos 1 & 1HDilos 2Dilos 1 & 1HDilos 2Dilos 1 & 1HDilos 2Dilos 1 & 1HDilos 2Dilos 3Dilos 3Dilos 3Dilos 4Dilos 4Dilos 4Dilos 4Dilos 4Dilos 4Dilos 6Dilos 6Dilos 6Dilos 6Dilos 7Dilos 7
Maximum allowable short-circuit (kA eff.)
of combination18182525303036362525303036365080
1505080
1505080
150508050805080
Downstream RecordPlusTM switch
FD63YFD160YFD63YFD160YFD63YFD160YFD63YFD160YFD63YFD160YFD63YFD160YFD63YFD160YFE250YFE250YFE250YFG400YFG400YFG400YFG630YFG630YFG630YFK800YFK800YFK1250YFK1250YFK1600YFK1600Y
Maximum allowable short-circuit (kA eff.)
of combination363650508080
15015050508080
1501505080
1505080
1505080
150508050805080
Protection of Switch Disconnectors (Dilos or Record Plus) with Record Plus circuit breakers - Valid for 400/415V AC
Record Plus
A
B
C
D
E
F
G
X
E.26
Appl
icat
ion
guid
e
Protection of motor circuits
Protection of the electrical circuitThe motor circuit must provide the followingfunctionality:• Isolate the circuit from the network for maintenance.• Protect against short-circuits in the equipment ,
the starter and the cables within the circuit .• Protect against overloads in the equipment ,
the starter and the cables within the circuit .• Protect against faults specific to the motor within it's
application.Control of the motor in question, this covering starting,stopping, speed control etc.
StandardsThe requirements for circuits supplying a motor, ingeneral called "motor starters", can be found in the IEC 60947-4-1. To define the components for isolation,overload and short-circuit protection the followingelements must be defined:• Depending on the type of electrical motor and it’s
operational requirements, four motor utilizationcategories have been defined. These have an impacton the characteristics of the control element withinthe circuit . These so called AC classes are depicted inthe table on the right .
• The required trip curve class of the overloadprotection, this depending on the motor application,the classes 10A, 10, 20 and 30 are normally used, the requirements for which are indicated in the table.
• Isolation and safety during maintenance. Use of the Record PlusTM breaker here provides anenhancement of the present standard requirementfor POSITIVE OFF adding in a POSITIVE ONindication.
Category
AC1AC2
AC3
AC4
Load type
Non Inductive motorsSlip ring motors
Squirrel-cage motors
Squirrel-cage motors(cos phi = 0.45 ≤ 100A)(cos phi = 0.35 > 100A)
Contactor usage
EnergizationStartingSwitching off whilst runningRegenerative breakingInchingEnergizationSwitching off whilst runningStartingSwitching off whilst runningRegenerative breakingPluggingInching
Trip class
10A102030
1.2 x In
t < 2 hourst < 2 hourst < 2 hourst < 2 hours
1.5 x In
t < 2 min.t < 4 min.t < 8 min.t < 12 min.
7.2 x In
2 ≤ t ≤ 10 sec.4 ≤ t ≤ 10 sec.6 ≤ t ≤ 20 sec.9 ≤ t ≤ 30 sec.
Required tripping times at
GeneralIn a circuit that provides power to a motor anumber of protective and control devices arenormally present . The combination of thesedevices must be coordinated to ensure theefficiency and an optimal protection of the motor.Here, the protection of such circuits stronglydepends on the operational requirements, as the application for which the motor is used, therequired starting frequency, the required servicelevel and the applicable safety standards.
Record Plus
E
E.27
Protection of motor circuits
A
B
C
D
F
G
X
The unique properties of the Record PlusTM breakerallow GE to offer solutions meeting the higheststandards. For this reason all tables published hereonly refer to coordination type 2.
This entails that the GE equipment meets thefollowing standards• No or minor weldings of the contactors after testing;
contact separation is simple and easy• The switchgear and controlgear are fully operational
after the tests indicated here.
Option 1
Magnetic only circuit breaker as the short-circuit protection device.
Contactor for control purposes.
Separate thermal relay for class 10 or class 30 as overload protection.
Coordination type 2 test sequence
Option 2
Electronic circuit breaker as the short-circuit and Overload protection device.
Contactor for control purposes.
After power is disconnected (circuit interruption after a fault) thebreaker has no thermal memory function. This implies that after anoverload, immediate breaker reset and re-energization of thecircuit is possible. In order to prevent this a Long time module can be utilized thatcloses a contact on an overload just before the breaker trips. Thisallowing the contactor in the circuit to be de-energized and a externalthermal memory to be initialized, before the breaker trips.
The sketch here depicts the long time module as anoptional add on in the circuit diagram. Here the breakeris the short-circuit protection device AND a backupoverload protection. If the contactor fails to open on along time module signal the breaker will trip.
Motor current Ie (AC3)
Ie ≤ 16A16 < Ie ≤ 63A63 < Ie ≤ 125A125 < Ie ≤ 315A315 < Ie ≤ 630A
Test with current " r "
1 kA3 kA5 kA10 kA18 kA
• After this test the original characterstics of the contactor and thermal relay MUST remain unchanged.
• After this test the short-circuit protection must trip within 10 ms at a fault current ≥ 15 x In.
Short-circuit test
This value which is generally ≤ 50kA is used to check the coordination of the devices used in the motor starter circuit. For each combination with Record PlusTM breakers this value is mentioned in the tables on pages E.28, 29, 30, 31, 32 and 33. After a test with this current the following conditions must be met:• No or minor weldings of the contactors after testing; contact
separation is simple and easy• The switchgear and controlgear are fully operational after the test.
CoordinationThe standards require tests to define thecoordination between the devices within the motorstarter. Depending on the state of the componentsafter the test two coordination classes 1 and 2have been defined.
Solutions with the Record PlusTM breakerMotor starters are compiled with a number of GE components. This is to offer the requiredfunctionality of the motor starter circuit and toallow a choice in the execution thereof.
Record Plus
A
B
C
D
E
F
G
X
E.28
Appl
icat
ion
guid
e
Type
FD63/160FE160/250FG 400/630FK 800/1250
N
85858585
H
100100100100
L
130130130130
Type
FD63/160FE160/250FG 400/630FK 800/1250
N
50505050
H
80808080
L
130130130100
Coordination type II - EN 60947-4 - Class 10 protection
Icc values in kA Ue=230V AC Icc values in kA Ue=400/415V AC
Short-circuit Protection by meansof Magnetic Only MCCB.Overload Protection by means ofa direct heated electromechani-cal thermal relayPhase Loss protection (Thermal relay feature)Control by GE contactor
(1) The contactor has a breaking capacity that is sufficient to operate the specified motor up to the specified magneticsetting of the breaker(2) The 3Amp device is designed to operate at a current level up to 3.5Amps(3) FD63 type; contactor size can be reduced to CL04(4) FD63 type; contactor size can be reduced to CL45(5) FD160 type; contactor size can be reduced to CL08
Upstream Record PlusTM Breaker selection
P(kw)
0.370.550.751.11.52.234
5.57.5101115
18.5222530303745557590
110132160200
-----
In
2.02.83.55.06.18.7
11.514.520.028363950647585
100100125150180250312360430520630
-----
Type
FD63/FE160FD63/FE160FD63/FE160FD63/FE160FD63/FE160FD63/FE160FD63/FE160FD63/FE160FD63/FE160FD63/FE160FD63/FE160FD63/FE160FD63/FE160
FD/FE160FD/FE160FD/FE160
FD160FE160FE160FE160FE250FG400FG400FG400FG630FK800FK800
-----
Ie
3(2)
3(2)
3(2)
77
12.5(3)
12.5(3)
20(3)
20(3)
30(4)
505050
80(5)
80(5)
100100100125160250250400400500800800
-----
Im
3036707080
125150200260364500507650832975
102013001300162519502500325040564680559067606930
-----
Type+O.R.
CL25+RT1JCL25+RT1KCL25+RT1KCL03+RT12LCL03+RT1M
CL06+RT2ANCL06+RT2ANCL06+RT2BCL06-RT2CCL06-RT2DCL06+RT2ECL06+RT2ECL06+RT2GCL09+RT2JCL09+RT2JCL09+RT2LCL09+RT2M
CK75C+RT2MCK85B+RT3ECK85B+RT3FCK95B+RT3FCK10B+RT4PCK10B+RT5CCK12B+RT5CCK12B+RT5DCK13B+RT5ECK13B+RT5E
-----
P(kw)
0.751.11.52.234
5.57.5101115
18.5222530374545557590
110132160200220250300315335
In
2.02.63.65.06.68.3
11.516.121223037434958728686
104144179207247300360400462560582619
Type
FD63/FE160FD63/FE160FD63/FE160FD63/FE160FD63/FE160FD63/FE160FD63/FE160FD63/FE160FD63/FE160FD63/FE160FD63/FE160FD63/FE160FD63/FE160FD63/FE160
FD/FE160FD/FE160
FD160FE160FE160FE160FE250FE250FG400FG400FG400FG630FG630FK800FK800FK800
Ie
3(2)
3(2)
777
12.5(3)
12.5(3)
20(3)
30(4)
30(4)
30(4)
505050
80(5)
80(5)
100100125160250250250400400500500800800800
Im
3033708086
125150200300300390478561635800934
11211121134618692500269132143900468052006004672069856810
Type
CL25+RT1JCL25+RT1KCL03+RT1KCL03+RT12LCL03+RT1M
CL06+RT2ANCL06+RT2ANCL06+RT2BCL06-RT2CCL06-RT2CCL06-RT2DCL06+RT2ECL06+RT2GCL06+RT2GCL09+RT2HCL09+RT2JCL09+RT2L
CK75C+RT2LCK85B+RT3ECK85B+RT3FCK95B+RT4NCK10B+RT4PCK10B+RT4RCK10B+RT5CCK12B+RT5CCK12B+RT5DCK12B+RT5DCK13B+RT5ECK13B+RT5CCK13B+RT5C
Motor Breaker details Contactor Motor Breaker details ContactorSelection of associated components(1)
Record Plus
E
E.29
Protection of motor circuits
A
B
C
D
F
G
X
Type
FD63/160FE160/250FG 400/630FK 800/1250
N
30424242
H
50656565
L
8013013080
Type
FD63/160FE160/250FG 400/630FK 800/1250
N
----
H
36505036
L
50808050
Type
FD63/160FE160/250FG 400/630FK 800/1250
N
----
H
6222222
L
Testspending
Coordination type II - EN 60947-4 - Class 10 protection
Icc values in kA Ue=440V AC Icc values in kA Ue=500/525V AC Icc values in kA Ue=690V AC
Upstream Record PlusTM Breaker selection
P(kw)
0.81.11.52.234
5.57.5101115
18.5222530374555557590
110132160200220250300315335355375
----
In
1.92.53.44.66.07.6
10.514.618.820273339445265788694
131163188225300360400462509529563596630
----
Type
FD63/FE160FD63/FE160FD63/FE160FD63/FE160FD63/FE160FD63/FE160FD63/FE160FD63/FE160FD63/FE160FD63/FE160FD63/FE160FD63/FE160FD63/FE160FD63/FE160
FD/FE160FD/FE160FD/FE160
FD160FE160FE160FE250FE250FE250FG400FG400FG630FG630FK800FK800FK800FK800FK800
----
Ie
3(2)
3(2)
3(2)
77
12.5(3)
12.5(3)
20(3)
20(3)
30(4)
30(4)
505050808080
100100160250250250400400500500800800800800800
----
Im
3030707078
100136200245300355500510578680849
1019122312231699250025002922390046805200600466196880675465606930
----
Type+O.R.
CL25+RT1JCL25+RT1KCL25+RT1KCL03+RT12LCL03+RT1M
CL06+RT2ANCL03+RT2ANCL06+RT2BCL06+RT2BCL06-RT2CCL06-RT2DCL06+RT2ECL06+RT2ECL06+RT2GCL09+RT2HCL09+RT2JCL09+RT2JCL09+RT2L
CK75C+RT2LCK85B+RT3ECK95B+RT3FCK95B+RT4PCK95B+RT4RCK10B+RT5CCK12B+RT5CCK12B+RT5DCK12B+RT5DCK13B+RT5ECK13B+RT5ECK13B+RT5ECK13B+RT5ECK13B+RT6A
----
P(kw)
0.81.11.52.234
5.57.5101115
18.522-
30374555557590
110132160200220
--
315335355375400450
--
In
1.52.02.63.85.06.59.0
12.015.018.4232933
-4555658080
110130156190228281310
--
445460500530570630
--
Type
FD63/FE160FD63/FE160FD63/FE160FD63/FE160FD63/FE160FD63/FE160FD63/FE160FD63/FE160FD63/FE160FD63/FE160FD63/FE160FD63/FE160FD63/FE160
-FD63/FE160
FD/FE160FD/FE160
FD160FE160FE160FE160FE160FE250FE250FG400FG400
--
FG630FG630FK800FK800FK800FK800
--
Ie
3(2)
3(2)
3(2)
777
12.5(3)
12.5(3)
20(3)
20(3)
30(4)
30(4)
50-
5080(5)
100100100125160160250250400400
--
500500800800800800
--
Im
303040707085
125156200300300371500
-585800
1000110011001430169020282500296436534030
--
578559806500689068407560
--
Type+O.R.
CL25+RT1HCL25+RT1JCL25+RT1KCL03+RT12LCL03+RT1MCL03+RT1M
CL06+RT2ANCL06+RT2BPCL06+RT2BCL06-RT2BCL06-RT2CCL06-RT2DCL06+RT2E
-CL06+RT2GCL09+RT2JCL09+RT2JCL09+RT2S
CK75C+RT2JCK85B+RT3DCK95B+RT3ECK95B+RT3FCK95B+RT4PCK95B+RT4RCK10B+RT5CCK10B+RT5C
--
CK12B+RT5DCK12B+RT5DCK13B+RT5ECK13B+RT5ECK13B+RT5ECK13B+RT6A
--
Motor Breaker details Contactor Motor Breaker details Contactor
P(kw)
1.52.23
3.74
5.57.5111315
18.522
-30374555759090
110132160200220250
--
335-
375-
450500560
In
2.02.93.54.65.07.09.0
12.516.018.02325
-3542496080
100100120140175220240270
--
335-
400-
480530580
Type
FD63/FE160FD63/FE160FD63/FE160FD63/FE160FD63/FE160FD63/FE160FD63/FE160FD63/FE160FD63/FE160FD63/FE160FD63/FE160FD63/FE160
-FD63/FE160FD63/FE160FD63/FE160
FD/FE160FD/FE160
FD160FE160FE160FE160FE250FE250FG400FG400
--
FG400-
FG630-
FG630FK800FK800
Ie
3(2)
3(2)
3(2)
777
12.5(3)
12.5(3)
20(3)
20(3)
30(4)
30(4)
-505050
80(5)
80(5)
100100125160250250250400
--
400-
500-
500800800
Im
303870707091
125163208234300325
-500546637800
104013001300156018202100286031203510
--
4355-
5200-
624063606380
Type+O.R.
CL25+RT1JCL25+RT1KCL25+RT1KCL03+RT12LCL03+RT12LCL03+RT12MCL07+RT2ANCL07+RT2BPCL07+RT2BCL07+RT2BCL09+RT2CCL09+RT2D
-CL09+RT2ECL09+RT2ECL09+RT2GCL09+RT2JCL09+R2TLCL09+R2TL
CK85B+RT2MCK85B+RT3ECK95B+RT3FCK95B+RT4NCK10B+RT4RCK10B+RT4RCK10B+RT5C
--
CK10B+RT5C-
CK12B+RT5D-
CK12B+RT5DCK13B+RT5ECK13B+RT5E
Motor Breaker details ContactorSelection of associated components(1)
Record Plus
A
B
C
D
E
F
G
X
E.30
Appl
icat
ion
guid
e
Type
FE160/250FG 400/630
N
8585
H
100100
L
130130
Type
FE160/250FG 400/630
N
5050
H
8080
L
130130
Coordination type II - EN 60947-4 - Class 10 protection (with SMR2 other classes possible)
Icc values in kA Ue=230V AC Icc values in kA Ue=400/415V AC
Short-circuit and Overloadprotection by means of ElectronicMCCB.Phase Loss protection (in MCCB)Overload backup protection, andoverload alarm on use of LTmodule.Control by GE contactor
Upstream Record PlusTM Breaker selection
P(kw)
34
5.57.5101115
18.52225303745557590
110132
----
In
11.514.52028363950647585
100125150180250312360430
----
Type
FE160FE160FE160FE160FE160FE160FE160FE160FE160FE160FE160FE160FE160FE250FG400FG400FG400FG630
----
Ie
25252563636363
125125125125160160250250400400500
----
Ist
150189260364468507650832975
110513001625195023403000405646805590
----
Type
CL08CL08CL08CL09CL09CL09CL09
CK85BCK85BCK85BCK85BCK95BCK95BCK95BCK95BCK10CCK12BCK12B
----
P(kw)
--
5.57.5101115
18.52225303745557590
110132160200220250
In
--
11.516.1212230374349587286
104144179207247300360400462
Type
--
FE160FE160FE160FE160FE160FE160FE160FE160FE160FE160FE160FE160FE160FE250FE250FG400FG400FG400FG630FG630
Ie
--
252525256363636363
125125125160250250250400400500500
Im
--
150200300300390478561635800934
1121134618692500269129673900468052006004
Type
--
CL08CL08CL08CL08CL09CL09CL09CL09CL09
CK85BCK85BCK85BCK85BCK95BCK95BCK95BCK10CCK12BCK12BCK12B
Motor Breaker details Contactor Motor Breaker details ContactorSelection of associated components(1)
(1) The contactor has a breaking capacity that is sufficient to operate the specified motor up to the specified magneticsetting of the breaker
Record Plus
E
E.31
Protection of motor circuits
A
B
C
D
F
G
X
Type
FE160/250FG 400/630
N
4250
H
6565
L
130130
Type
FE160/250FG 400/630
N
--
H
5050
L
8080
Type
FE160/250FG 400/630
N
--
H
2222
L
5050
Coordination type II - EN 60947-4 - Class 10 protection (with SMR2 other classes possible)
Icc values in kA Ue=440V AC Icc values in kA Ue=690V AC
Upstream Record PlusTM Breaker selection
P(kw)
--
5.57.5101115
18.52225303745557590
110132160200220250
-------
In
--
10.514.618.8202733394452657894
131163188225300360400462
-------
Type
--
FE160FE160FE160FE160FE160FE160FE160FE160FE160FE160FE160FE160FE160FE250FE250FE250FG400FG400FG630FG630
-------
Ie
--
252525256363636363
125125125160250250250400400500500
-------
Im
--
136200245265355500510578680849
1019122316992500250029223900468052006004
-------
Type
--
CL08CL08CL08CL08CL09CL09CL09CL09CL09
CK85BCK85BCK85BCK85BCK95BCK95BCK95BCK10CCK12BCK12BCK12B
-------
P(kw)
---
7.5101115
18.522-
3037-
557590
110132160200220
--
315335355
---
In
---
12.015.018.4232933-
4555-
80110130156190228281310
--
445460500
---
Type
---
FE160FE160FE160FE160FE160FE160
-FE160FE160
-FE160FE160FE160FE160FE250FE250FG400FG400
--
FG630FG630FG630
---
Ie
---
252525256363-
6363-
125125160160250250400400
--
500500500
---
Im
---
156200300300371423
-585800
-10401430169020282500296436534030
--
578559806500
---
Type
---
CL09CL09CL09CL09CL10CL10
CL10CL10
-
CK85BCK85BCK85BCK95BCK95BCK10CCK10C
--
CK12BCK12BCK12B
---
Motor Breaker details Contactor Motor Breaker details Contactor
P(kw)
----
10-
1518.5
--
303745557590
110132160200220250
--
335-
375-
450
In
----
11.5-
17.120--
3542496080
100120140175220240270
--
335-
400-
480
Type
----
FE160-
FE160FE160
--
FE160FE160FE160FE160FE160FE160FE160FE160FE250FE250FG400FG400
--
FG400-
FG630-
FG630
Ie
----
25-
2525--
63636363
125125125160250250250400
--
400-
500-
500
Im
----
150-
223260
--
500546637800
10401300156018202275286031203510
--
4355-
5200-
6240
Type
----
CK85B-
CK85BCK85B
--
CK85BCK85BCK85BCK85BCK85BCK85BCK85BCK85BCK10CCK10CCK10CCK10C
--
CK10C-
CK12B-
CK12B
Motor Breaker details ContactorSelection of associated components(1)
(1) The contactor has a breaking capacity that is sufficient to operate the specified motor up to the specified magnetic setting of the breaker
Record Plus
A
B
C
D
E
F
G
X
E.32
Appl
icat
ion
guid
e
Type
FD63/160FE160/250FG 400/630FK 800/1250
N
85858585
H
100100100100
L
130130130130
Type
FD63/160FE160/250FG 400/630FK 800/1250
N
50505050
H
80808080
L
130130130100
Coordination type II - EN 60947-4 - Class 20(3) protection
Icc values in kA Ue=230V AC Icc values in kA Ue=400/415V AC
Short-circuit Protection by meansof Magnetic Only MCCB.Overload Protection by means ofa electromechanical thermalrelay.Phase Loss protection (Thermalrelay feature)Control by GE contactor
Upstream Record PlusTM Breaker selection
P(kw)
0.370.550.751.11.52.234
5.57.5101115
18.5222530303745557590
110132160200
-----
In
2.02.83.55.06.18.7
11.514.520.028363950647585
100100125150180250312360430520630
-----
Type
FD63/FE160FD63/FE160FD63/FE160FD63/FE160FD63/FE160FD63/FE160FD63/FE160FD63/FE160FD63/FE160FD63/FE160FD63/FE160FD63/FE160FD63/FE160
FD/FE160FD/FE160FD/FE160
FD160FE160FE160FE160FE250FG400FG400FG400FG630FK800FK800
-----
Ie
3(2)
3(2)
3(2)
77
12.5(4)
12.5(4)
20(4)
20(4)
30(5)
505050
80(6)
80(6)
100100100125160250250400400500800800
-----
Im
3535467080
125150200260364500507650832975
102013001300162519502500325040564680559067606930
-----
Type+O.R.
CL25+RT12JCL25+RT12KCL25+RT12KCL03+RT12LCL03+RT12MCL06+RT2ANCL06+RT2ANCL06+RT2BCL06-RT2C
CL06-RT22DCL06+RT22ECL06+RT22ECL06+RT22GCL09+RT22JCL09+RT22JCL09+RT22LCL09+RT22M
CK75C+RT22MCK85B+RT32ECK85B+RT32FCK95B+RT32FCK10B+RT5LBCK10B+RT5LBCK12B+RT5LCCK12B+RT5LDCK13B+RT5LECK13B+RT5LE
-----
P(kw)
0.751.11.52.234
5.57.5101115
18.5222530374545557590
110132160200220250300315335
In
2.02.63.65.06.68.3
11.516.121223037434958728686
104144179207247300360400462560582619
Type
FD63/FE160FD63/FE160FD63/FE160FD63/FE160FD63/FE160FD63/FE160FD63/FE160FD63/FE160FD63/FE160FD63/FE160FD63/FE160FD63/FE160FD63/FE160FD63/FE160
FD/FE160FD/FE160
FD160FE160FE160FE160FE250FE250FG400FG400FG400FG630FG630FK800FK800FK800
Ie
3(2)
3(2)
777
12.5(4)
12.5(4)
20(4)
30(5)
30(5)
30(5)
505050
80(6)
80(6)
100100125160250250250400400500500800800800
Im
3535708086
125150200300300390478561635800934
11211121134618692500269132143900468052006004672069856810
Type+O.R.
CL25+RT12JCL25+RT12KCL03+RT12KCL03+RT12LCL03+RT12MCL06+RT2ANCL06+RT2ANCL06+RT2BCL06-RT2CCL06-RT2C
CL06-RT22DCL06+RT22ECL06+RT22GCL06+RT22GCL09+RT22HCL09+RT22JCL09+RT22L
CK75C+RT22LCK85B+RT32ECK85B+RT32FCK95B+RT32FCK10B+RT5LBCK10B+RT5LBCK10B+RT5LB
CK12B+RT52LCCK12B+RT52LDCK12B+RT52LDCK13B+RT5LECK13B+RT5LECK13B+RT5LE
Motor Breaker details Contactor Motor Breaker details ContactorSelection of associated components(1)
(1) The contactor has a breaking capacity that is sufficient to operate the specified motor up to the specified magneticsetting of the breaker.(2) The 3Amp device is designed to operate at a current level up to 3.5Amps.(3) Class 30 on request.(4) FD63 type; contactor size can be reduced to CL04(5) FD63 type; contactor size can be reduced to CL45(6) FD160 type; contactor size can be reduced to CL08
Record Plus
E
E.33
Protection of motor circuits
A
B
C
D
F
G
X
Type
FD63/160FE160/250FG 400/630FK 800/1250
N
30424242
H
50656565
L
8013013080
Type
FD63/160FE160/250FG 400/630FK 800/1250
N
----
H
36505036
L
50808050
Type
FD63/160FE160/250FG 400/630FK 800/1250
N
----
H
6222222
L
10505030
Coordination type II - EN 60947-4 - Class 20(3) protection
Icc values in kA Ue=440V AC Icc values in kA Ue=500/525V AC Icc values in kA Ue=690V AC
Upstream Record PlusTM Breaker selection
P(kw)
0.751.11.52.234
5.57.5101115
18.5222530374555557590
110132160200220250300315335355375
----
Type
FD63/FE160FD63/FE160FD63/FE160FD63/FE160FD63/FE160FD63/FE160FD63/FE160FD63/FE160FD63/FE160FD63/FE160FD63/FE160FD63/FE160FD63/FE160FD63/FE160
FD/FE160FD/FE160FD/FE160
FD160FE160FE160FE250FE250FE250FG400FG400FG630FG630FK800FK800FK800FK800FK800
----
Ie
3(2)
3(2)
3(2)
77
12.5(4)
12.5(4)
20(4)
20(4)
30(5)
30(5)
505050
80(6)
80(6)
80100100160250250250400400500500800800800800800
----
Im
3030707078
100136200245300355500510578680849
1019122312231699250025002922390046805200600466196880675465606930
----
Type+O.R.
CL25+RT12JCL25+RT12KCL25+RT12KCL03+RT12LCL03+RT12MCL06+RT2ANCL06+RT2ANCL06+RT2BCL06+RT2BCL06-RT2C
CL06-RT22DCL06+RT22ECL06+RT22ECL06+RT22GCL09+RT22HCL09+RT22JCL09+RT22JCL09+RT22L
CK75C+RT22LCK85B+RT32ECK95B+RT32FCK95B+RT5LBCK95B+RT5LBCK10B+RT5LCCK12B+RT5LDCK12B+RT5LDCK12B+RT5LDCK13B+RT5LECK13B+RT5LECK13B+RT5LECK13B+RT5LECK13B+RT5LE
----
P(kw)
0.751.11.52.234
5.57.5101115
18.522-
30374555 55 7590
110132160200220
--
315335355375400450
--
In
1.52.02.63.85.06.59.0
12.015.018.4232933-
4555658080
110130156190228281310
--
445460500530570630
--
Type
FD63/FE160FD63/FE160FD63/FE160FD63/FE160FD63/FE160FD63/FE160FD63/FE160FD63/FE160FD63/FE160FD63/FE160FD63/FE160FD63/FE160FD63/FE160
-FD63/FE160
FD/FE160FD/FE160
FD160FE160FE160FE160FE160FE250FE250FG400FG400
--
FG630FG630FK800FK800FK800FK800
--
Ie
3(2)
3(2)
3(2)
777
12.5(4)
12.5(4)
20(4)
20(4)
30(5)
30(5)
50-
5080(6)
100100100125160160250250400400
--
500500800800800800
--
Im
303040707085
125156200300300371500
-585800
1000100011001430169020282500296436534030
--
578559806500689068407560
--
Type+O.R.
CL25+RT12HCL25+RT12JCL25+RT12KCL03+RT12LCL03+RT12MCL03+RT12MCL06+RT2ANCL06+RT2BPCL06+RT2BCL06-RT2BCL06-RT2C
CL06-RT22DCL06+RT22E
-CL06+RT22GCL09+RT22JCL09+RT22JCL09+RT22J
CK75C+RT22JCK85B+RT32DCK95B+RT32ECK95B+RT32FCK95B+RT5LBCK95B+RT5LBCK10B+RT5LCCK10B+RT5LC
--
CK12B+RT5LDCK12B+RT5LDCK13B+RT5LECK13B+RT5LECK13B+RT5LECK13B+RT5LE
--
Motor Breaker details Contactor Motor Breaker details Contactor
P(kw)
1.52.23
3.74
5.57.5111315
18.522-
303745557590
110132160200220250
--
335-
375-
450500560
In
2.02.93.54.65.07.09.0
12.516.018.02325-
3542496080
100120140175220240270
--
335-
400-
480530580
Type
FD63/FE160FD63/FE160FD63/FE160FD63/FE160FD63/FE160FD63/FE160FD63/FE160FD63/FE160FD63/FE160FD63/FE160FD63/FE160FD63/FE160
-FD63/FE160FD63/FE160FD63/FE160
FD/FE160FD/FE160FD/FE160
FE160FE160FE250FE250FG400FG400
--
FG400-
FG630-
FG630FK800FK800
Ie
3(2)
3(2)
3(2)
777
12.5(4)
12.5(4)
20(4)
20(4)
30(5)
30(5)
-505050
80(6)
80(6)
100125160250250250400
--
400-
500-
500800800
Im
303846707091
125163208234300325
-500546637800
10401300156018202100286031203510
--
4355-
5200-
624063606380
Type+O.R.
CL25+RT12JCL25+RT12KCL25+RT12KCL03+RT12LCL03+RT12LCL03+RT12MCL07+RT2ANCL07+RT2BPCL07+RT2BCL07+RT2BCL09+RT2C
CL09+RT22D-
CL09+RT22ECL09+RT22FCL09+RT22GCL09+RT22JCL09+R2T2L
CK85B+RT22MCK85B+RT32ECK95B+RT32FCK95B+RT32FCK10B+RT5LBCK10B+RT5LBCK10B+RT5LC
--
CK10B+RT5LC-
CK12B+RT5LD-
CK12B+RT5LDCK13B+RT5LECK13B+RT5LE
Motor Breaker details ContactorSelection of associated components(1)
In
1.92.53.44.66.07.6
10.514.618.820273339445265789494
131163188225300360400462509529563596630
----
Record Plus
A
B
C
D
E
F
G
X
E.34
Appl
icat
ion
guid
e
Protection of LV/LV transformers
Transformers generally produce a very high inrushcurrent . The crest value of the first half cycle mayreach values of 15 to 25 times the effective ratedcurrent .For a protective device capable of protecting theseunits this must be taken into account . Manufacturersdata and tests have indicated that a protective devicefeeding a transformer must be capable of carrying thefollowing current values without tripping (see graphinsert).
Record PlusTM circuit breakers have been designed tocope with this kind of phenomenae. The adjacent tableindicates the types to select , based on the breakercharacteristics, the transformer ratings and the abovementioned inrush current prognoses.
* Magnetic threshold of breaker
FD160 LTMD type
FD160 SMR1 type
Transformervalue
< 50 kvA≥ 50 kvA
1st period5 ms
25 x In15 x In
2nd period25 ms.
12 x In8 x In
after 3 periods45 ms.
5 x In3.5 x In
Maximum crest inrush values
kVA
2.545
6.38
1012.5
1620
2531.540506380
100125160
In
101117
27344253
6884
105133169211266338422528675
1ph 230V
kVA
45
6.38
1012.5162025
31.540506380
100125160
In
101216202430394961
7798
122154195244305390
3ph 230V1ph 400V
kVA
6.38
1012.5162025
31.54050
6380
100125160200250315400500630800
1000
In
9121418232835445670
89113141176225287352444563704887
11261408
3ph 400V Type
FD160N,FD160H or LFD160N,FD160H or LFD160N,FD160H or LFD160N,FD160H or LFD160N,FD160H or LFD160N,FD160H or LFD160N,FD160H or LFD160N,FD160H or LFD160N,FD160H or LFD160N,FD160H or LFD160N,FD160H or LFE160N, H or LFE160N, H or LFE160N, H or LFE250N, H or LFE250N, H or LFG400N, H or LFG400N, H or LFG630N, H or LFG630N, H or LFK800N or HFK1250N or HFK1250N or HFK1600N or H
Trip unittype &rating
LTMD-25LTMD-25LTMD-32LTMD-32LTMD-40LTMD-50LTMD-63LTMD-80LTMD-100LTMD-125LTMD-125SMR1-125SMR1-125SMR1-160SMR1-250SMR1-250SMR1-350SMR1-350SMR1-500SMR1-630SMR- 800SMR-1000SMR-1250SMR-1600
Ist*
250250320320400500630800
100012501250
Transformer ratings Record Plus breaker choice
Protection of LV/LV transformers withRecord Plus circuit breakers
Record Plus
E
E.35
Protection of capacitor banks
A
B
C
D
F
G
X
Protection of capacitor banks(power factor improvement units)
For circuit breakers and particularly for the Record PlusTM device, designed to offer high makingand breaking capacities under adverse conditions, theswitching of capacitor banks has little to no effect onthe breaker, its characteristics as a protective device, or on its lifespan.
However, the current flowing in the circuit can trip acircuit breaker and a capacitor load displays certainanomalies. In a circuit with capacitors the maximumcurrent flow in the circuit cannot be assumed to be thecalculated capacitor current only. The effective valuemust be increased due to harmonic content (a factornormally taken as 30%) and an allowance for thetolerances in the capacitance of the unit itself. (10% assumed).
In order to protect these devices without running intoregular nuisance tripping due to overloads please referto the adjacent table in which the correct Record PlusTM
breaker is specified to protect and switch the indicatedcapacitor banks at several different voltages.
Capacitor rating(kVAr)
57.510
12.51520253035404550607590
100120150180
Record Plusbreaker
FD160N, FD160H or LFD160N, FD160H or LFD160N, FD160H or LFD160N, FD160H or LFD160N, FD160H or LFD160N, FD160H or LFD160N, FD160H or LFD160N, FD160H or LFD160N or FE160N, H or LFE160N, H or LFE250N, H or LFE250N, H or LFE250N, H or LFG400N, H or LFG400N, H or LFG400N, H or LFG630N, H or LFG630N, H or LFK800N or H
Ir setting(min)
18 A27 A36 A45 A54 A72 A90 A
108 A126 A144 A162 A179 A215 A269 A323 A359 A431 A538 A646 A
Un = 230V (phase to phase voltage)
Capacitor rating(kVAr)
10152025303540455060708090
100120140160180200250300350
Record Plusbreaker
FD160N, FD160H or LFD160N, FD160H or LFD160N, FD160H or LFD160N, FD160H or LFD160N, FD160H or LFD160N, FD160H or LFD160N, FD160H or LFD160N, FD160H or LFD160N, FD160H or LFD160N, FD160H or LFD160N or FE160N, H or LFE250,N,H or LFE250N, H or LFE250N, H or LFE250N, H or LFG400N, H or LFG400N, H or LFG400N, H or LFG630N, H or LFG630N, H or LFG630N, H or LFK800N or H
Ir setting(min)
21 A31 A41 A52 A62 A72 A83 A93 A
103 A124 A144 A165 A186 A206 A248 A289 A330 A372 A413 A516 A619 A722 A
Un = 400V (phase to phase voltage)
3769
0
The Power Protection division of GE Consumer & Industrial is a fi rst class European supplier of low-voltage products including wiring devices, residential and industrial electrical distribution components, automation products, enclosures and switchboards. Demand for the company’s products comes from wholesalers, installers, panel-board builders, contractors, OEMs and utilities worldwide
GE Consumer & IndustrialPower Protection
690011Ref. I/3198/E/E 3.0 Ed. 05/06
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