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Overload relay
Motor protection is one of the most importanttasks when machines are to equiped electrically.You will find the correct solution for everyapplication, from the price efficient bimetalsolution up to the more demanding networked,full motor protection.
Bimetal overload relays
Overload relays up to 630 A- Saves mounting time due to direct mounting onto contactor- ATEX approval for the protection of EEx e motors up to 250 A- Single-phasing sensitivity offers wide-ranging motor protection- Integrated Test button gives higher safety
Page 6/6
ZEV electronic motor-protective relayOverload relays up to 820 A
- Flexible mounting using Rogowski current transformers- Simple parameterisation reduced commissioning time- ATEX approval for the protection of EEx e motors- Short downtime due to error messages in display- Additional thermistor evaluation offers full motor protection
Page 6/12
EMT6 thermistor machine protection relays
- Overload protection by direct evaluation of the windingtemperature
- Fast recogniction of operating state by LED display- Suitable for overload monitoring of EEx e motors- Reduced variants due to wide-range power supply
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Overloadrelays
Technical overviewOverload relays
Setting ranges (A)(Note max. current ofthe contactor)
DILEM DILM7DILM9
DILM12
DILM15 DILM17DILM25
DILM32
DILM40DILM50
DILM65
DILM80DILM95
DILM115
DILM150DILM170
M185M225
M250
M300M400
M500
M580M650
M750M820
M1000Overload relays
ZE
ZB120.1 16
ZB320.1 32
ZB656 65
ZB15025-150
Z5-.../FF25050-250
CT-operated overload relay
ZW7-...1)
42 630
Electronic motor-protective relay
ZEV2)
1 820
Thermistor machine protection overload relays
EMT6((DB)K)
Notes 1) Can only be used up to DILM5802) Can only be used up to DILM820
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BimetalRelay
OrderingOverload relay for mini contactors
Overloadreleases
Contactsequence
A ux il ia ry con ta ct s F or us e w it h S ho rt -c ir cu it pr ot ec ti on Part no.Article no.
Pricesee price list
Std. pack
N/O =Normally
N/C =Normally
Type 1 coordination Type 2 coordination
Ir gG/gL gG/gL
A A A
ZE overload relay for mini contactor
Phase failure sensitivity to IEC/EN60947For direct mounting
PTB 01 ATEX 3331
0.10.16 1 N/O 1 N/C DILEMDIULEM/21/MVSDAINLEM
20 0.5 ZE-0,16014263
1 o ff Ove rload re leasShort-circuit promaximum permwith direct devic
Observe manuaor English.
0.160.24 1 ZE-0,24014285
0.240.4 2 ZE-0,4014300
0.40.6 2 ZE-0,6014333
0.61 4 ZE-1,0014376
11.6 6 ZE-1,6014432
1.62.4 6 ZE-2,4014479
2.44 10 ZE-4014518
46 ZE-6014565
69 ZE-9014708
2 4 6 98 96
9 7 9 5
ZE
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BimetalRelay
OrderingBimetal Relay up to 150 A
Setting rangeOverload releases
Contact sequence Auxiliarycontacts
For use with Short-circuit protection Part no.Article no.
Pricesee price list
Std. pack
N/O =Normally
N/C =Normally
Type 1coordination
Type 2coordination
Ir gG/gL gG/gL
A A A
ZB12 overload relays
Phase failure sensitivity to IEC/EN60947, VDE 0660 Part 102For direct mounting
0.10.16 1 N/O 1 N/C DILM7, DILM9,
DILM12,DILM15,DIULM7,DIULM9,DIULM12,SDAINLM12,SDAINLM16,SDAINLM22
25 0.5 ZB12-0,16
278431
1 o ff Ove rload re
Short-circuitmaximum pewith direct d
Suitable for
PTB 04 ATEX
Observe man
0.160.24 1 ZB12-0,24278432
0.240.4 2 ZB12-0,4278433
0.40.6 4 ZB12-0,6278434
0.61 4 ZB12-1278435
11.6 6 ZB12-1,6278436
1.62.4 10 ZB12-2,4278437
2.44 16 ZB12-4278438
46 20 ZB12-6278439
610 50 25 ZB12-10278440
912 ZB12-12278441
1216 ZB12-16290168
ZB32 overload relays
Phase failure sensitivity to IEC/EN60947, VDE 0660 Part 102For direct mounting
0.10.16 1 N/O 1 N/C DILM17,DILM25,DILM32,DIULM17,DIULM25,DIULM32,SDAINLM30,SDAINLM45,SDAINLM55
25 0.5 ZB32-0,16278442
1 o ff Ove rload reShort-circuitmaximum pewith direct d
Suitable for
PTB 04 ATEX
Observe man
0.160.24 1 ZB32-0,24278443
0.240.4 2 ZB32-0,4278444
0.40.6 4 ZB32-0,6278445
0.61 4 ZB32-1278446
11.6 6 ZB32-1,6278447
1.62.4 10 ZB32-2,4278448
2.44 16 ZB32-4278449
46 20 ZB32-6278450
610 50 25 ZB32-10278451
1016 63 35 ZB32-16278452
1624 100 35 ZB32-24278453
2432 125 63 ZB32-32278454
2 4 6 98 9 6 A2 14/
22
9 7 9 5
2 4 6 98 96 14/
22
9 7 9 5
ZB
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BimetalRelay
OrderingBimetal Relay up to 150 A
O ve rl oa d r el ea se s Con ta ct s eq ue nc e Aux il ia ry co nt ac ts F or u se w it h S ho rt -c ir cu it p ro te ct io n Part no.Article no.
Pricesee price list
Std. pack
N/O =Normally
N/C =Normally
Type 1coordination
Type 2coordination
Ir gG/gL gG/gL
A A A
Overload relays ZB65
Phase failure sensitivity to IEC/EN60947, VDE 0660 Part 102For direct mounting
610 1 N/O 1 N/C DILM40,DILM50,DILM65,DIULM40,DIULM50,DIULM65,SDAINLM70,SDAINLM90,SDAINLM115
50 25 ZB65-10278455
1 o ff Ove rload re leasShort-circuit promaximum permwith direct devi
Suitable for pro
PTB 04 ATEX 30
Observe manua
1016 63 35 ZB65-16278456
1624 63 50 ZB65-24278457
2440 125 63 ZB65-40278458
4057 160 80 ZB65-57278459
5065 160 100 ZB65-65278460
3550 DILM80,DILM95,DILM115,DILM150,DILM170DIULM80,DIULM95,DIULM115,DIULM150,SDAINLM140,SDAINLM165,SDAINLM200,SDAINLM260
160 125 ZB150-50278462
5070 250 160 ZB150-70278463
70100 315 200 ZB150-100278464
95125 315 250 ZB150-125278465
120150 315 250 ZB150-150278466
145175 315 250 ZB150-175107316
Separate mounting
3550 1 N/O 1 N/C 160 125 ZB150-50/KK278468
1 o ff Ove rload re leasShort-circuit promaximum permwith direct devi
Suitable for pro
PTB 04 ATEX 30
Observe manua
5070 250 160 ZB150-70/KK278469
70100 315 200 ZB150-100/KK278470
95125 315 250 ZB150-125/KK278471
120150 315 250 ZB150-150/KK278472
145175 400 315 ZB150-175KK107317
2 4 6 98 96
9 7 9 5
2 4 6 98 96
9 7 9 5
ZB
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BimetalRelay
OrderingOverload relay, CT-operated overload relay
Overloadreleases
Contact sequence Auxiliary contacts For use with Short-circuit protection Part no.Article no.
Pricesee price list
Std. pack Notes
N/O =Normally
N/C =Normally
Type 1coordination
Type 2coordination
Ir gG/gL gG/gL
A A A
Overload relay Z5 greater than 150A
Phase failure sensitivity to IEC/EN60947
5070 1 N/O 1 N/C DILM185DILM225DILM250
250 160 Z5-70/FF250210070
1 of f O ver loa d r ele atripping class 1Short-circuitprotection: Obthe maximumpermissible fusthe contactor.
70100 315 200 Z5-100/FF250210071
95125 315 250 Z5-125/FF250210072
120160 400 250 Z5-160/FF250210073
160220 Direct mountingSeparate mounting
400500
315400
Z5-220/FF250210074
200250 Direct mountingSeparate mounting
400500
315400
Z5-250/FF250210075
ZW7 current transformer-operated overload relays
Separate mounting
4263 1 N/O 1 N/C ZW7-63000245
1 of f
6090 ZW7-90002618
85125 ZW7-125004991
110160 ZW7-160007364
160240 ZW7-240009737
190290 ZW7-290052448
270400 ZW7-400045329
360540 ZW7-540047702
420630 ZW7-630050075
1 3 5 97 95
2 4 6 98 96
9698
9597
Z5, ZW7
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Overloadrelay
s
DescriptionOverload relays
ZEV electronic overload relay for motor currents from 1 820 A
Technological advances require completely new approaches: the application ofnewly developed sensor systems and tripping units has made motor protectionconsiderably simpler and more economical. All Z overload relays provide thestandard functions: protection in the event of phase failure, overload, or currentimbalance. The innovative ZEV motor-protective system from Moeller can now doall these things and much more:
Even the most severe starting situations can be dealt with by the ZEV motor-protective system. The enhanced tripping classes (up to CLASS40) provide reliableprotection for motors with starting times of up to 40 seconds. Protection for anymotor starting situation can be optimally set by preselecting one of the eighttripping classes between 5 and 40 seconds. An earth fault is quickly detected by theexternal core-balance transformers. The integrated thermistor connection allowsthe relay to be upgraded to provide a full motor-protective system.
The LCD display guides the user through the setting menus and ensures straight-forward operation. In the event of a fault, the display shows the cause of the faultand enables rapid fault identification.Additional signal cables can be implemented via the freely configurable auxiliarycontacts 05-06 and 07-08.
They can each be assigned one of the following functions: Early warning of overload Earth fault Thermistor tripping Internal fault
The multi-voltage module automatically adapts to different voltagesfrom 24 240 V, 50/60 Hz,and 24 240 V DC, thus enabling flexible application with all conventional controlvoltages.
Ring-type sensors enable the innovative ZEV motor protection system to be usedalso for small motors. With large motor currents and cable cross-sections, the sensorcables are simply wound round the incoming cable.A main current wiring system and complex cable matching for an additional deviceare no longer necessary, neither is the drilling of the mounting plate. Instead, thesensors are simply fastened with a Velcro fastener.This saves mounting time and expense. The volume of 58 times less thanconventional transformers enables the saving of valuable mounting space in thecontrol panel.
General
Application
Handling
Engineering
Mounting
ZEV
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Electronicmot
or-protectiverelay
ZEV Electronic Motor-Protective RelayBasic units, accessories
Length Diameter Overload releases For use with Faultcurrents
Part no.Article no.
Pricesee price list
Std. pack
Ir
mm mm A A
ZEV
PTB 01 ATEX 3233
1820 DILEMDILM820 ZEV209634
1 off
Current sensors
6 125 DILEMDILM7DILM25 ZEV-XSW-25209635 1 off
13 365 DILM7DILM65 ZEV-XSW-65209636
21 10145 DILM12DILM150 ZEV-XSW-145209637
110 40820 DILM40DILM820 ZEV-XSW-820209641
Connecting cables
200 ZEV-XSW-25ZEV-XSW-65ZEV-XSW-145ZEV-XSW-820
ZEV-XVK-20209643 1 off
400 ZEV-XVK-40209644
800 ZEV-XVK-80209645
SSW core-balance transformers
For earth-leakage monitoring 40 0.3 SSW40-0,3028286
1 off
0.5 SSW40-0,5028305
1 SSW40-1028306
65 0.5 SSW65-0,5028307
65 1 SSW65-1028316
120 0.5 SSW120-0,5028319
120 1 SSW120-1028321
Fixing bracket
ZEVZEV-XSW-25ZEV-XSW-65ZEV-XSW-145easy..., MFD...PS4..., EM4...LE4...
ZB4-101-GF1061360
9 off
Documentation
ZEV motor protective relayOverload monitoring of EEx e motors
German AWB2300-1433D259711
1 off
English AWB2300-1433GB267430
1 off
ZEV, SSW
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Electronicmot
or-protectiverelay
EngineeringSelection aid
1) IF: Internal fault
5 1 0 15 2025 30 35 40
IF1)
IF1)
Class
Y1
T1
T2
Y2C2C1 A1 A2 9 5 9 7 0 5 0 7
9 6 9 8 0 6 0 8
~ =
NL3L2L1
M3~
Z2
Z1
l%
L1 L2 L3
PE
PE
Ie
Ie
> 105 %
Ie
> 105 %
!
P
!
1 820 A
Mode
TestReset
Up
Down
Reset
Menu
ON OFF
Reset
Hand Auto
Class
Fault
Freeparameter 1
Freeparameter 2
Freeparameter
1
Freeparameter
2
Inputs Outputs
A 1/A 2 Rated control voltage 95/96 N/C contact overload/thermistor
T 1/T 2 Thermistor sensor 97/98 Make contact overload/thermistor
C 1/C 2 SSW core-balance transformer 05/06 N/C contact freely assignable
Y 1 /Y 2 Remote r eset 07/08 Make con tac t f reely ass ignab le
Switchgear and cable sizing correspond to the respective starting inertia (CLASS)
The switchgear is designed for CLASS 10 in normal and overload operation. To ensure that the switchgear (circuit-breaker and contactor) as well as the cables are notoverloaded with extended tripping times, they must be over-dimensioned accordingly. The rated operational current Ie for switchgear and cables can be calculated withthe following current factor while taking the tripping class into account:
Tripping class Class 5 Class 10 Class 15 Class 20 Class 25 Class 30 Class 35 Class 40
Current factor forrated operationalcurrent Ie
1.00 1.00 1.22 1.41 1.58 1.73 1.89 2.00
Rated motor currents < 1 AWith the ZEV-XSW-25 to ZEV-XSW-145 push-through sensors, the motor incomer cables for each phase are pushed through the push-through openings. With motor cur-rents of less than 1 A, the motor incomer cables are looped into the ZEV-XSW25.
Number of loops n 4 3 2
Rated motor current IN A 0.250.32 0.330.49 0.50.99
Set current on the relayIE between the
lowest and highest values
A 1.001.28 1.001.47 1.001.98
The set current IE of the device is calculated by: IE = nxIN
ZEV
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Electronicmotor-protectiverelay
EngineeringCharacteristics curves
Tripping characteristics
With a phase failure or unbalance> 50 %, the ZEV will trip within 2.5 seconds.
Tripping times for ZEV electronic motor-protective relay
Tripping class, adjustable CLASS 5 10 15 20 25 30 35 40
Tripping times in s (g20 %) at 3-pole symmetric loading from cold state
Current setting IEx 3 11.3 22.6 34 45.3 56.6 67.9 79.2 90.5
x 4 8 15.9 23.9 31.8 39.8 47.7 55.7 63.6
x 5 6.1 12.3 18.4 24.6 30.7 36.8 43 49.1
x 6 5 10 15 20 25 30 35 40
x 7.2 4.1 8.2 12.3 16.4 20.5 24.5 28.6 32.7
x 8 3.6 7.3 10.9 14.6 18.2 21.9 25.5 29.2
x 10 2.9 5.7 8.6 11.5 14.4 17.2 20.1 23
Recovery time after overload trip(Overview of the recovery time in min)
CLASS 5 10 15 20 25 30 35 40
trecovery[min]
5 6 7 8 9 10 11 12
Thermistor trippingRated trip resistance R = 3200Og15 %
Recovery resistance R = 1500O +10 %
Total cold resistanceS RK F 1500Oat RK F 250O per sensor: 6 sensorsat RK F 100O per sensor: 9 sensors
Ready to respond after trip at 5 K under response temperature
Test button tripping time: 5 s
EC prototype test certification number: PTB 01 ATEX 3233
For protection of motors in EEx e area, also order AWB2300-1433G ZEV motor-protective system, Overload monitoring of motors in EEX e areas.
20
CLASS 40
25
15
CLASS 5
10
tA
100
50
20
10
5
2
1
20
10
5
2
10.7 1 2 5 8
3035
xIe
min
s
ZEV
ZEV
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Thermistoroverloadrelaysformachine
protection
OrderingBasic units, accessories
Description Rated operationalcurrent
Conventionalthermal current
Rated controlvoltage
Part no.Article no.
Pricesee pricelist
Std.pack
AC-15 AC14
240 V 400 V
Ie Ie Ith Us
A A A V
EMT6 thermistor machine protection relays
Without automatic resetMains and fault LED display
3 3 6 24 240 V 50/60 Hz,24 240 V DC
EMT6066166
1 off
Without automatic resetMains and fault LED displayTrip with short-circuit in the sensor cable
24 240 V 50/60 Hz,24 240 V DC
EMT6-K269470
Without automatic resetMains and fault LED display
230 V 50/60 Hz EMT6(230V)066400
Selector switch with/without automaticresetFor manual or remote resettingTest buttonMains and fault LED display
24 240 V 50/60 Hz,24 240 V DC EMT6-DB066167
Selector switch with/without automaticresetFor manual or remote resettingTest buttonMains and fault LED displayTrip with short-circuit in the sensor cable
24 240 V 50/60 Hz,24 240 V DC
EMT6-KDB269471
Selector switch with/without automaticresetFor manual or remote resettingTest buttonMains and fault LED display
230 V 50/60 Hz EMT6-DB(230V)066401
Multifunction deviceSelector switch with/without automaticresetTrip with short-circuit in the sensor cableZero-voltage safeFor manual or remote resettingTest buttonShort-circuit recognition and zero-voltagesafety can be deactivatedMains and fault LED display
24 240 V 50/60 Hz,24 240 V DC
EMT6-DBK066168
AccessoriesScrew adapterFor screw fixing
CS-TE095853
10 off
DocumentationEMT6 thermistor overload relayOverload monitoring of machines in the EEx e area
German AWB2327-1446D264853
1 off
English AWB2327-1446GB267010
1 off
EMT6
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Thermistorov
erloadrelaysformachine
protection
OrderingBasic devices, accessories
Terminal marking according to EN 50005 Notes
Flow DiagramsLED display
Supply voltage is available
Device has tripped
Device has tripped/short-circuit inthe sensor circuit
EMT6-K, EMT6-(K)DB, EMT6-DBKAuto PTB 02 ATEX 3162
With the EMT6, EMT6(230V), EMT6-DB and EMT6-DB(230V) an additional short-circuit protection in thesensor circuit with current monitor is to be provided.Observe the AWB2327-1446 manual (a6/16).
Can be snap fitted on a top-hat rail to IEC/EN 60715.
At RKF 250 per sensor: 6 sensors, at RKF 100 persensor: 9 sensors in the winding (fitted by customer),max. cable length to sensor 250 m (non-screened);Total thermistor resistance (cold) S RKF 1500
Sensor circuit characteristic values at Us and +20 C
EMT6...UT1-T2 IT1-T2
RT1-T2 V DC max. mA max.
T1, T2 short-circuited 1,9
4 k 3 0,8
T1-T2 open 5,1
Functions that can be disconnected on the EMT6-DBK:
Function disconnection via link
Short-circuit detection Y1 Y3Zero voltage safety Y1 Y4
EMT6-(K)DB, EMT6-DBKHand
EMT6-DBKZero-voltage safe operation
L +h
h
N
US
A1 2 1 1 3
A2 T1 T2 2 2 1 4
PTC
Power Tr ipped
Tripped LED
A1/A2
T1/T2 3.6 K1.6 K
0
1314, 2122
+Lh
hN
US
A1 21
A2 T1 T2 22 14
PTC
13Y2Y1
Power Tr ipped
Tripped LED
A1/A2
T1/T2 3.6 K1.6 k
0
1314, 2122
Y1/Y2, RESET
L +h
hN
US
A1 21
A2 T1 T2 22 14
PTC
13Y2Y1 Y4Y3
Power Tr ipped
A1/A2
T1/T2 3.6 K1.6 K
0
1314, 2122
Y1/Y2, RESET
Short-circuit
Tripped LED
60
750
1650
4000
12000
20 5 +5 +15
3600 Tripping
1600 Reset
Tolerance limitsTemperature
NAT NATNAT NAT NAT
Resistance
[
]
Resettingrange
IEC-Tripping range
[C]
EMT6
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BimetalRelay
OrderingAccessories
For use with Part no.Article no.
Pricesee pricelist
Std. pack Notes
Documentation
Overload relaysOverload monitoring of EEx e motors
ZB12...ZB32...
AWB2300-1527D/GB284910
1 off German/English
ZB65...ZB150...
AWB2300-1545D/GB102065
Bases
For separate mounting ZB32 ZB32-XEZ278473
5 o ff Can be snap fitted on atop-hat rail to IEC/EN 60715 or can bescrew fitted.
ZB65 ZB65-XEZ278474
1 off
Push-buttons
For enclosed overload relaysMounting diameter: 22.3 mm
External reset button IP65
ZW7...ZB12ZB32ZB65ZB150
M22-DZ-B254833
10 o ff Blue button plate
ZW7...ZB12ZB32ZB65ZB150
M22-DZ-B-GB14254834
Blue button plate:RESET
Off button, IP65
ZW7...ZB12ZB32ZB65ZB150
M22-DZ-X254835
10 o ff Wi thout but ton pl ate ,button plate must beadded
Button plates
M22-DZ-X M22-XD-R216423
10 off Red legend plate
M22-XD-R-X0218153
Button plate, red withwhite circle
M22-XD-R-GB0218194
Red legend plate STOP
Covers
Z5-.../FF250 Z5/FF250-XHB215217
1 o ff Separate mounting Fitted directly to thecontactor
Direct fittingZ5-.../FF250 toDILM185,DILM225,DILM250
Z5/FF250-XHB-Z215218
Z5/FF250
-XHB
Z5/FF250
-XHB
Z5-.../FF250
Z5-.../FF250
DIL M400
-XHB
Z5/FF250
-XHB-Z
Z5/FF250
-XHB
DIL M185/
225/250
ZB, Z5, ZW7
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BimetalRelay
g gSelection data
Selection data ZEZB12
ZB32, ZB65, ZB150 Z5 ZW7 ZEV
Phase-failure sensitivity b b b b
Temperature compensation b b b b b
Auxiliary switch 1 M + 1 B b b b b b
Test/off button b b b b b
Reset button manual/auto b b b b b
Separate mounting b b b b
Protection of EEx e-motors (PTB) b b b b
Protection with heavy starting duty b b
Trip-free release b b b b b
P standard features
EU prototype test certificate number
ZEVZEZB12ZB32ZB65ZB150EMT6
PTB 01 ATEX 3233PTB 01 ATEX 3331PTB 04 ATEX 3022PTB 04 ATEX 3022PTB 04 ATEX 3022PTB 04 ATEX 3022PTB 02 ATEX 3162
Protec tion of single -phase and DC current motors : Mounting posi tion :
1 pole 2 pole ZE ZB12, ZB32, ZB65, ZB150, Z5
These tripping characteristics are mean values of the spread at 20 C ambient temperature in a cold state. Tripping time depends on response current. When the devicesare at operational temperature the tripping time of the overload relay reduces to approx. 25 % of the read off value. Specific characteristics for each individual settingrange can be found in the manual onaPage 6/18
2h1006040
20
10
6421
402010642
10.6
ZB12, ZB32,ZB65, ZE
1 1. 5 2 3 4 6 8 1 015 2 0x Setting current
2-phaseSeconds
M
inutes
3-phase
2h10060402010
6421
402010
642
10.6
ZB150
6 8 10 15203 41 1.5 2x Setting current
2-phaseSeconds
M
inutes
3-phase
2 h1006040
20
10
642
140
201064
2
1
1 1.5 2 3 4 6 8 1015 200.6
ZW7
M
inutes
Seconds
Rated current
Lowest level
Highest level
2h1006040
20
10
6421
402010642
10.6
Z5
6 8 1015 203 41 1.5 2x Setting current
2 phaseSeconds
M
inutes
3 phase
ZE, ZB, Z5, ZW7, ZEV
6/20 Technical Data
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BimetalRelay
Bimetal Relay
ZE ZB12, ZB32 ZB65 ZB150(KK)
General
Standards IEC/EN 60947, VDE 0660, UL, CSA
Climatic proofing Damp heat, constant, to IEC 60068-2-78;Damp heat, cyclic, to IEC 60068-2-30
Ambient temperature
Open1) C 2550 2555 2555 2555
Enclosed1) C 2540 2540 2540 2540
Temperature compensation Continuous
Mounting position aEngineering selection data
Weight 0.07 0.15 0.25 1.64
Mechanical shock resistance half-sinusoidal shock 10 ms to IEC 60068-2-27
g 10 10 10 10
Protection type IP20 IP 20 IP00 IP00
Protect ion aga ins t d ir ec t contact when ac tuated f rom f ron t ( IEC 536 ) Finger- and back-o f-hand proof
Main conducting paths
Rated impulse withstand voltage Uimp V AC 6000 6000 6000 8000
Overvoltage category/pollution degree III/3 III/3 III/3 III/3
Rated insulation voltage
AC Ui V AC 690 690 690 1000
Rated operational voltage Ue V AC 690 690 690 1000
Safe isolation to VDE 0106 Part 101 and Part 101/A1
Between auxiliary contacts and main contacts V AC 300 440 440 440
Between main circuits V AC 300 440 440 440
Overload release setting range A 0.19 0.132 675 25150
Temperature compensation residual error > 40C %/K F 0.25 F 0.25 F 0.25 F 0.25
Short-circuit protection Maximum fuse apage 6/5 apage 6/7 apage 6/9 apage 6/9
Current heat loss (3 conductors)
Lower value of the setting range W 2.5 2.5 3 16
Maximum setting W 6 6 7.5 18
Terminal capacities
Solid mm2 2x (0.75 2.5) 2x (1 6) 2x (1 16)4) 2x (4 16)
Flexible with ferrule mm2 2x (0.5 1.5) 2x (1 4)2x (1 6)3)
1x (125)2x (110)2)
1x (4 70)2x (4 50)
Stranded mm2 1x (1625) 1x (1650)2x (1650)
Solid or stranded AWG 18 14 14 8 14 2 2/0
Terminal screw M3.5 M4 M6 M10
Tightening torque Nm 1.2 1.8 3.5 10
Tools
Pozidriv screwdriver Size 2 2 2
Standard screwdriver mm 0.8x 5.5 1x 6 1x 6
Hexagon socket-head spanner SW mm 5
Notes 1) Ambient temperature: Operating range to IEC/EN 60947, PTB: -5C to +55C2) Main contacts terminal capacity solid and stranded conductors with ferrules: When using 2 conductors use identical cross-section3) 6 mm2 flexible with ferrules to DIN 462284) at ZB65-XEZ max 1x (116)
ZE, ZB
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BimetalRelay
Overload relay, CT-operated overload relay
Z5-.../FF250 ZW7
General
Standards IEC/EN 60947, VDE 0660, UL, CSA
Climatic proofing Damp heat, constant, to IEC 60068-2-78;Damp heat, cyclic, to IEC 60068-2-30
Ambient temperature
Open1) C 2550 2550
Enclosed1) C 2540 2540
Temperature compensation Continuous Continuous
Mounting position aEngineering selection data As required
Weight 1.55 0.8
Mechanical shock resistance half-sinusoidal shock 10ms to IEC 60068-2-27
g 10 10
Protection type IP00 IP00
Protection against direct contact when actuated fromfront (IEC 536)
With terminal cover Finger- and back-of-hand proof
Main conducting paths
Rated impulse withstand voltage Uimp V AC 8000 6000
Overvoltage category/pollution degree III/3 III/3
Rated insulation voltage
AC Ui V AC 1000 690
Rated operational voltage Ue V AC 1000 690
Safe isolation to VDE 0106 Part 101 and Part 101/A1
Between auxiliary contacts and main contacts V AC 440 440
Between main circuits V AC 440 440
Overload release setting range A 50250 40630
Temperature compensation residual error > 40C %/K F 0.25
Short-circuit protection Maximum fuse apage 6/11 With overload relay in conjunction witha transformer as required for thecontactor
Current heat loss (3 conductors)
Lower value of the setting range W 16 3
Maximum setting W 28 10
Terminal capacities
Flexible with cable lug mm2 95
Stranded with cable lug mm2 120
Solid or stranded AWG 250 MCM
Flat conductor Number of segmentsx widthxthickness
mm 6x 16x 0.82)
Busbar Width mm 20x 3
Push-through opening mm 27
Terminal screw M8x 25
Tightening torque Nm 24
Tools
Hexagon head spanner SW mm 13
Notes 1) Ambient temperature: operating range to IEC/EN 60947, PTB: -5C to +50C2) Flat conductor terminal capacity: fixing with box terminal
Z5, ZW7
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BimetalRelay
Overload relays
ZE ZB12, ZB32 Z5-.../FF250 ZW7
Auxiliary and control circuits
Rated impulse withstand voltage Uimp V 6000 6000 6000 6000
Overvoltage category/pollution degree III/3 III/3 III/3 III/3
Terminal capacities
Solid mm2 2x (0.75 2.5) 2x (0.754) 2x (0,75 4) 2x (0.75 4)
Flexible with ferrule mm2 2x (0.5 1.5) 2x (0.75 2.5) 2x (0,75 2,5) 2x (0.75 2.5)
Solid or stranded AWG 2x (18 12) 2x (18 12) 2x (18 12) 2x (18 12)
Terminal screw M3.5 M3.5 M3.5 M3.5
Tightening torque Nm 0.8 1.2 0.8 1.2 0.8 1.2 0.8 1.2
Tools
Pozidriv screwdriver Size 2 2 2 2
Standard screwdriver mm 0.8x 5.5 1x 6 1x 6 1x 6
Rated insulation voltage Ui V AC 690 500 500 500
Rated operational voltage Ue V AC 500 500 500 500
Safe isolation to VDE 0106 Part 101 and Part 101/A1
between the auxiliary contacts V AC 300 240 240 240
Conventional thermal current Ith A 6 6 6 6
Rated operational current
AC15
Make contact
120 V Ie A 1.5 1.5 1.5 1.5
240 V Ie A 1.5 1.5 1.5 1.5
415 V Ie A 0.5 0.5 0.5 0.5
500 V Ie A 0.3 0.5 0.5 0.5
Break contact
120 V Ie A 1.5 1.5 1.5 1.5
240 V Ie A 1.5 1.5 1.5 1.5
415 V Ie A 0.7 0.9 0.9 0.9
500 V Ie A 0.5 0.8 0.8 0.8
DC-13 L/R 15 ms1)
24 V Ie
A 0.9 0.9 0.9 0.9
60 V Ie A 0.75 0.753) 0.753) 0.753)
110 V Ie A 0.4 0.4 0.4 0.4
220 V Ie A 0.2 0.2 0.2 0.2
Short-circuit rating without welding
max. fuse2) A gG/gLA gG/gL
4 6 6 6
Notes 1) Rated operational current: Making and breaking conditions to DC-13, L/R constant as s tated2) See overlay: Fuses for short-circuit rating time/current characteristic (please enquire)3) Rated operational current DC-13, 60 V: N/O auxiliary contact 0.6 A
ZE, ZB, Z5, ZW7
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6/24 Technical DataElectronic motor protective relay
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Electronicmo
tor-protectiverelay
Electronic motor-protective relay
ZEV-XSW-25 ZEV-XSW-65 ZEV-XSW-145 ZEV-XSW-820
General
Standards IEC/EN 60947, VDE 0660, UL, CSA
Climatic proofing Damp heat, constant, to IEC 60068-2-78;Damp heat, cyclic, to IEC 60068-2-30
Ambient temperature1)
Open C 2560 2560 2560 2560
Enclosed C 2540 2540 2540 2540
Storage C 4080 4080 4080 4080
Temperature compensation Continuous
Mounting position As required
Weight kg 0.23 0.4 0.45 0.14
Mechanical shock resistance half-sinusoidal shock10 ms to IEC 60068-2-27
g 15 15 15 15
Protection type IP20 IP20 IP20 IP20
Protection against direct contact when actuated fromfront (IEC 536)
Finger- and back-of-hand proof
Main conducting paths
Rated impulse withstand voltage Uimp V AC 2) 2) 2) 8000
Overvoltage category/pollution degree 2) 2) 2) III/3
Rated insulation voltageAC Ui V AC 2) 2) 2) 1000
Rated operational voltage Ue V AC 2) 2) 2) 1000
Safe isolation to VDE 0106 Part 101 and Part 101/A1
Between busbar and sensor V AC 500
Overload release setting range A 125 365 10145 40820
Short-circuit protection Maximum fuse With overload relay in conjunction with a transformer as required for the contactor
Push-through opening mm 6 13 21 110
Notes 1) Operating range to IEC/EN 60947, PTB: -5C to +50C2) The main current parameters are defined by the main current wiring which is used.
ZEV
6/25Technical DataThermistor overload relays for machine protection
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Thermistoroverloadrelaysformachine
protection
Thermistor overload relays for machine protection
EMT6
General
Standards IEC/EN 60947, VDE 0660, EN 55011
Climatic proofing Damp heat, constant, to IEC 60068-2-78; Damp heat, cyclic, to IEC60068-2-30
Ambient temperature
Open C 2560
Enclosed C 2545
Storage C 4560
Mounting position As required
Weight kg 0.15
Mechan ica l shock r es is tance half -s inuso idal shock 10 ms to IEC 60068-2-27 g 10
Protection type IP20
Protect ion aga ins t d ir ec t contact when ac tuated f rom f ron t ( IEC 536 ) F inger- and back-o f-hand p roo f
Safe isolation to VDE 0106 Part 101 and Part 101/A1
between the contacts V AC 250
between contacts and power supply V AC 250
Auxiliary and control circuits
Rated impulse withstand voltage Uimp V AC 6000
Overvoltage category/pollution degree III/3
Terminal capacities Auxiliary and control circuits
Solid mm2 1x 2.52x (0.5 1.5)
Flexible with ferrule mm2 1x 2.52x (0.5 1.5)
Solid or stranded AWG 20 14
Terminal screw M3.5
Tightening torque Nm 1.2
Tools
Pozidriv screwdriver Size 2
Standard screwdriver mm 1x 6
Auxiliary power circuit
Rated insulation voltage Ui V 400Rated operational current
AC-14
Make contact
415 V Ie A 3
Break contact
415 V Ie A 3
AC15
Make contact
240 V Ie A 3
415 V Ie A 1
Break contact
240 V Ie A 3
415 V Ie A 1
Max. short-circuit protective device
Fuse gG/gL A 6
Control circuit
Rated insulation voltage Ui V 240
Rated operational voltage Ue V 2401)
Pick-up and drop-out values xUe 0.85 1.1
Power consumption
AC VA 3.5
DC W 2
Trip at approx. O 3600
Recovery at approx. O 1600
Notes 1) EMT6(-DB)230V:Ue = 230 V
EMT6
6/26 DimensionsBimetal Relay
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Overloadrela
ys
Bimetal Relay
Overload relay Base
ZE ZB32-XEZ ZB65-XEZ
ZB12 ZB32
a OFFb Reset/ON
ZB65
a OFFb Reset/ON
5.5
58
= 5
45
32
49
106
>
5
b2
16.5
c2
b
a
c
b1
a1
2x d
Part no. ZB32 ZB65
a 45 60
b 85 86
c 90.5 112
c2 3.8 4.7
a1 35 50
b1 75 75
b2 40.5 47
d M4 M5
45
27.5
39 88
84
53
34
120
a
b
45
27.5
39
102
62
42
136
ab
172
40
60
46.5
35 7.5
132
96.5
a
b
ZE, ZB
6/27DimensionsBimetal Relay
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Overloadrela
ys
y
Overload relay
ZB150
a OFFb Reset/ON
ZB150KK
a OFFb Reset/ON
a
b
100
134
44
74
118
95
516.5
91
90
150
170
156
160
2
77
70
o7
1217
4
7
5
16.5
63
129
134
100
118
99
95
o 7
a
b
ZB
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Overloadrelays
Overload relay greater than 150 A
Z5-.../FF250
a OFFb Reset/ON
Current transformer-operated overload relay
ZW7
a Reset/on
Thermistor over load relays for machine protec tion External reset buttonOff button
EMT6... M22-DZ-BM22-DZ-X
110
121
96
128
74
144
169
48
25 5
16.5
144
111
94
7
7
11
a
b
a
b
200
185
6565
71
27
7.5
26
55
21
857
1 44
33
8
4.3
185
M4
44
26
55 a
a
1.5
159
172 250
90 9090
102
78
22.5
100
19
2 5
8
2.5
24.1
22.3
3.2
o2
9.5
Z5, ZW7, EMT6
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Overloadrelays
Electronic motor-protective relay Electronic motor-protective relay
ZEV ZEV + ZEV-XSW-...
Current sensors Current sensorsZEV-XSW-... ZEV-XSW-820
Core-balance transformer
SSW...
29
4.57.2
45
93
37
59.
2
78
103
75
c1
Part no. c1
ZEV + ZEV -XSW-25 120
ZEV + ZEV -XSW-65 128
ZEV + ZEV-XSW-145 134
93 3
735
78
103
c
8
a1
4.5
a
d2
d2
3
5
d1
Rfrence a a1 c d1 d2
ZEV + ZEV-XSW-25 45 24 50 6 11.2
ZEV + ZEV-XSW-65 70 49 58 13 19
ZEV + ZEV-XSW-145 90 68 65 21 26
3125
~150
35
26
37
Part no. a a1 a2 b b1 c d e
SSW40-... 64 50 38 100 80 86 4.5 40
SSW65-... 75 60 43 124 100 112 4.5 65
SSW120-... 86.5 70 54.5 200 170 205 4.5 120
a1
a2
b b1
c
e
a
d
ZEV