R-MAGTM magnetically actuated dead tank outdoor vacuum circuit breaker15.5 kV - 38 kV
Descriptive Bulletin
2 R-MAG magnetically actuated dead tank outdoor vacuum circuit breaker | Descriptive bulletin
Introduction
The R-MAGTM is truly the next generation in medium
voltage vacuum circuit breaker technology. ABB is the
first to combine the unique benefits of vacuum interrupter
technology with a magnetic actuator designed to exploit
these capabilities. Using a flux-shifting device with integral
permanent magnets, the R-MAG mechanism has only
one moving part. With simple open and close coils, an
electronic controller and capacitors for energy storage,
the R-MAG circuit breaker mechanism is capable of 10,000
load operations. These are a few of the features that
mark a departure from the conventional spring-operated
mechanism, introducing new capabilities and benefits for a
smarter distribution system.
ABB makes safety our first priority by employing magnetic actu-
ators to eliminate maintenance on coils, motors, and mechani-
cally charged springs.
R-MAG benefits include:
− Simple, less frequent maintenance
− Rated for 10,000 full load operations (five times ANSI
requirements)
− No maintenance required on magnetic actuator
− Plug & play actuator circuitry
− Vacuum interrupters rated for 30,000 full load operations
− Increased reliability
− Magnetic actuator has only one moving part
− No spring charging motors to replace
− No trip/close coils to replace
− Less moving parts leads to less maintenance
R-MAG increased performance
− 2,000 operations between servicing vs 500 operations bet-
ween servicing - ANSI C37.06-2000 requirements
− 10,000 mechanical or load operations vs 2,000 no-load me-
chanical operations - ANSI C37.06-2000 requirements)
− No maintenance required on magnetic actuator
− Eliminates open/close coils in motor and stored spring me-
chanism lubrication requirements
The R-MAG has three main components:
− Vacuum interrupter assembly
− Operating mechanism
− Provides reliable operation even after extended periods of
inactivity
− Electronic control board
− Compatible with all forms of overcurrent, reclosing and
control functions
Descriptive bulletin | R-MAG magnetically actuated dead tank outdoor vacuum circuit breaker 3
Vacuum interrupters
Manufacturing vacuum interrupters since 1980, ABB
has become a worldwide leader in vacuum interrupter
technology.
− Rated for 30,000 mechanical or load operations
− Up to 40 operations at maximum interrupting rating
− Definite purpose rated – ANSI C37.06
− One of the largest vacuum interrupter producers in the world
− Environmentally friendly and maintenance-free for life
− ABB vacuum interrupters are used in many products globally
Stems
Twist protection
Metal bellows
End cap
Bellows shield
Ceramic insulator
Main shield
Contacts
Stem
End plate
3
1
4
2
1 Vacuum interrupter family | 2 For over 25 years, ABB has been developing and manufacturing vacuum interrupters for medium voltage applications | 3 Construc-
tion of a vacuum interrupter | 4 Life curve of 25 kA vacuum interrupters
4 R-MAG magnetically actuated dead tank outdoor vacuum circuit breaker | Descriptive bulletin
Magnetic actuator
ABB has utilized magnetic actuators since 1997. One global
team is dedicated to designing magnetic actuators for ABB
products, including R-MAG breakers.
− 15 kV rated at 100,000 mechanical operations
− 38 kV rated at 50,000 mechanical operations
− One moving part
− No maintenance required
Magnet life expectancy
Developments in magnetic material technology allow the mag-
netic actuator to be highly reliable over long life time. Reduction
in magnetic flux density is less than 1% over 100 years at
248 °F (120 °C).
Connection to
cranksfaft
Steel laminate
housing
Coils
Movable armaturePermanent magnets
A magnetic actuator has one moving part and requires no maintenance.
A spring charged mechanism has over 300 total parts (many moving parts) and requires periodic maintenance.
Descriptive bulletin | R-MAG magnetically actuated dead tank outdoor vacuum circuit breaker 5
Magnetic flux density distribution representation during a
magnetic actuator opening operation
All operating mechanism functions are integrated in the mag-
netic actuator of the R-MAG circuit breaker. The actuator is a
bistable magnet system, in which armature change-of-state is
accomplished by the magnetic field of two electrically excited
coils. The armature is held magnetically in the limit positions by
the fields of two rare-earth permanent magnets. Switching ope-
rations are achieved by excitation of one of the two coils until
the retaining force of the permanent magnets is exceeded.
Even after complete failure of the auxiliary power, the energy
stored in the capacitors will allow electrical operation for 200
seconds. In the event of complete loss of control power, the
circuit breaker can be tripped manually.
The armature of the magnetic actuator is linked to an operating
shaft connected via insulated push rods to each of the vacuum
interrupters.
1 Magnetic latching in a closed position | 2 Magnetic latching plus current build up in one coil | 3 Armature reaching the open position | 4 Final open position
1 2 3 4
6 R-MAG magnetically actuated dead tank outdoor vacuum circuit breaker | Descriptive bulletin
Lower power consumption electronic control board with flexible voltage range and alarms control the R-MAG magnetic actuator.
Advantages of electronic controls
− Flexibility of control voltages
− Consistency of operation utilizing capacitor energy
− Built in trip & close coil features
− Built in breaker status indication
− Coil protection
− Ready and not ready alarm
Flexibility of control voltages
− Two control boards cover all control power requirements:
− Low voltage: 17 - 75 VDC or 21 - 52 VAC
− High voltage: 77 - 280 VDC or 85 - 264 VAC
− Control board is independent of AC or DC
− 1 control board covers 120 VAC, 125 VDC, 240 VAC
application
− Ability to test a 125 VDC breaker with 120 VAC
− Low power requirements - 93 watt normal (41 watt power
optional)
− Less than 1A at 125 VDC during capacitor charging
(7 seconds)
− Plug & play removal & installation of control board assembly
− Easy board conversion between low and high control
power requirements
− Eliminates changing of trip and close coils, motors
− Increased safety
− Wide range of input voltages
− Minimizes damage from voltage spikes or higher charging
voltages
Consistency of operation utilizing capacitor energy
− Smaller battery system - can be minimal since there is no
high instantaneous load on charging, closing or tripping
− Voltage drop is not an issue when running control power
from battery system (smaller wiring can be used)
− Operate multiple breakers simultaneously
− Sufficient energy to operate multiple breakers from station
batteries simultaneously
− Constant energy source
− Energy for closing and tripping is constant (regardless of
station battery voltage) thus closing and opening speed
are consistent
Using capacitors for stored energy
− The 0.1 Farad Electrolytic capacitors are designed to be ope-
rated in the temperature range of -40 °F to 185 °F
(-40 °C to 85 °C)
− Extreme temperature option also available:
-67 °F to 221 °F (-55 °C to 105 °C)
− Recommended capacitor replacement
− 20 years for an average yearly temperature (in the outdoor
breaker enclosure) of less than 122 °F (50 °C)
− 15 years for tropical climates
Built in breaker status indication
Unit ready and not ready output contacts will provide an alarm
under the following conditions:
− Drop off auxiliary supply voltage
− Low voltage on capacitor
Capacitor vs number of operations
− Open-close-open: 78 V
− Close-open: 72.5 V
− Cannot close breaker without sufficient energy to trip
− Open: 49 V
Electronic control board
1 Electronic control board | 2 Capacitors | 3 Built-in breaker status indicator
21 3
Descriptive bulletin | R-MAG magnetically actuated dead tank outdoor vacuum circuit breaker 7
Additional features
Manual emergency trip
− Manual trip lever electronically interlocked to prevent closing
in close block position
− 69 function
− When manually tripped, closing is electrically blocked
− When tripped, handle returns to the close blocked position
− Will not allow closing until lever is moved to normal opera-
ting position
Embedded Poles in the 38 kV
− High dielectric strength due to solid material insulation
− No external influences on the vacuum interrupter (shock
damage, dust, humidity)
− Suitable for different climatic conditions worldwide
− Compact and robust technology (modular structure)
− Maintenance-free for life
Summary of R-MAG advantages
− ABB vacuum interrupters
− World’s largest manufacturer of vacuum interrupters
− Rated for 30,000 mechanical or load operations
− ABB magnetic actuator
− Eliminates all maintenance on operating mechanism
− World’s leader in magnetic actuation technology
− ABB electronic controller
− Plug and play removal and installation
− Independent of AC or DC power
− 5 YEAR FULL WARRANTY
Manual emergency trip Embedded poles
8 R-MAG magnetically actuated dead tank outdoor vacuum circuit breaker | Descriptive bulletin
Drawings
6 4 2
5 3 1
FOUNDATION PLAN
5 3 1
R-MAG
31.38
8.00 X 12.00 OPENING WITHREMOVABLE PLATE. CUSTOMERTO DRILL TO SUIT.
42.75
17.00
16.00
PROVISION FOR.750 DIA. HDW.
33.00 DOORSWING
16.00
33.00 DOORSWING
R-MAG
PROVISIONS EACH ENDFOR LIFTING (2.00 DIA. HOLES)
47.25
13.00
4.000
1.500
4.000
1.500
42.75
DOOR TO CONTROLCOMPARTMENT
[1085.9]
[92]
[796.9]
[838.2]
[406.4]
[431.8]
[406.4][838.2]
[19]
[1200.2]
[330.2]
[920.8]
[1085.9][101.6]
[101.6]
[38.1]
[38.1]
[203.2] [304.8]
WINDOW FORCOUNTER ANDPOSITION IND.FAR SIDE
CONDUIT ENTRANCEPLATE
[76.2]
5. SEISMIC RATING = 0.5g PER IEEE STD 693
L C.G.C
[417.5]
3.000 INCREMENTSFOR ADJUSTMENT
[76.2]
18.00[457.2]
[796.9]31.38
105.81[2687.6]
[2230.4]87.81
8.500[215.9]
C.G.CL
36.00[914.4]
TYPTYPNOTES 2 & 3
SEE
NORMAL
CLOSE BLOCKED
TRIP
12A01507H01
TRIP HANDLEPOSITIONS MANUAL TRIP
SWING ANGLEKEEP CLEAR
MANUAL TRIP
70.625[1794.9]
MAX.
6.000 [152]
GROUND PAD
FARSIDE
16.44
30°
50°
78.125[1984.3]
MAX.
.875 DIA.[22.2]
36.25
MAN
UAL T
RIP
GROUNDPAD
3.62
3.000
4. MAX WEIGHT: 1700 LBS [771] KG.3. 15KV 1200A = 12.50 [318] STD CREEP, 18.75 [476] EXTRA CREEP2. 30.00 [762] CLEARENCE ABOVE ROOF REQUIRED TO REMOVE BUSHINGS.1. ALL DIMENSIONS IN [ ] BRACKETS ARE MILLIMETERS.NOTES:
SEE NOTE 2
15.563[395]
Outline drawing R-MAG 15 kV 1250 A
Descriptive bulletin | R-MAG magnetically actuated dead tank outdoor vacuum circuit breaker 9
FOUNDATION PLAN
R-MAG
LC
2
15 3
6 4
CONDUITENTERENCE PLATE
Ø2.00 PROVISION EACHEND FOR LIFTING
MANUAL TRIP
AIR VENT USED ON15KV, 3000A AND
27KV 2000A
NOTES:1. ALL DIMENSIONS IN [ ] BRACKETS ARE MILLIMETERS.2. 30.00 [762] CLEARENCE REQUIRED TO REMOVE BUSHINGS.
4. WEIGHT: 2400 LBS [1088.6] KG. (15KV, 2000/3000A) 1900 LBS [860.9] KG. (27KV, 1200/2000A)
GROUNDPAD
FARSIDE
GROUNDPADS
SEE NOTE 2
8.00 [203] X 12.00 [305]OPENING WITH REMOVABLE PLATE.CUSTOMER TO DRILL TO SUIT
WINDOW FORCOUNTER ANDPOSITION IND.(FAR SIDE)
[673]26.500 DOOR SWING
21.50 DOOR SWING[546]
109.06 [2770]
18.00 [457]
3.00 [76] INCREMENTSFOR ADJUSTMENT
6.00 [152]
40.69 [1033]
91.06 [2313]
56.31 [1430]
9.602
[244]
9.602
[244]
51.308 [1303]
44.704 [1135]
22.16 [563]
�1.00 [�25]
FOR .750 [19] DIAMOUNTING BOLT
4.58 [116]
40.69 [1033]
SEE NOTES 2 & 3
4.000 [102]
4.00 [102]
1.50 [38]
1.500 [38]
1.75 [44] TYP
56.31 [1430]
16.44 [418] 9.13
[232]
16.000 [406]
16.000 [406]
60.202 [1529]
C.G.CLLC
KEEP CLEARSWING ANGLEMANUAL TRIPPOSITIONS
TRIP HANDLE
12A01507H01
30°
CLOSE BLOCKEDNORMAL
TRIP
50°
MANUAL TRIP
COMPARTMENTDOORS TO CONTROL
GROUNDPAD
[1692.3]MAX.
66.625
78.312[1989]
MAX.
3. 15KV 2000A = 15.00 [381] EXTRA CREEP IS STANDARD15KV 3000A = 13.00 [330] STD CREEP, EXTRA CREEP CONTACT SALES27KV 1200A = 15.00 [381] STD CREEP, 20.00 [508] EXTRA CREEP27KV 2000A = 15.00 [381] STD CREEP, EXTRA CREEP CONTACT SALES
5. SEISMIC RATING = 0.5g PER IEEE STD 693
Outline drawing R-MAG 15 kV 2000/3000/3700 A 27 kV 1250/2000 A
10 R-MAG magnetically actuated dead tank outdoor vacuum circuit breaker | Descriptive bulletin
52.25 [1327.2]
63.19 [1604.9]
OUTLINE OFCABINET
USE BRACES WHEN LEGSARE FULLY EXTENDED
63.19 [1605.0]
81.50 [2070.1]
52.25[1327.2]
REAR OFCABINET
28.19 [715]DOOR SWING
17.25 [438] DOOR SWING
22.50 [571]23.00 [584]
25.59 [650.1]
4.13 [105.0]
4
30.00 [762.0]
4.44 [112.7]
34.44 [874.7]
6.24[158.4]
8.00 X 12.00 OPENING WITHREMOVABLE PLATE. CUSTOMERTO DRILL TO SUIT.
[203.2] [304.8]
4. SEISMIC RATING "HIGH" PER IEEE STD 693. (EXCEEDS ZONE 4)3. MIN. WEIGHT: 2400 LBS [1089] KG.2. 47.00 [1193.8] CLEARENCE ABOVE ROOF REQUIRED TO REMOVE BUSHINGS.1. ALL DIMENSIONS IN [ ] BRACKETS ARE MILLIMETERS.NOTES:
MAN
UAL T
RIP
GROUND PAD
FOUNDATION PLAN
6 4 2
5 3 1
DOORS TO CONTROLCOMPARTMENT
3.000 VERTICAL HOLESPACING FOR ADJUSTMENT
4.000
1.500
1.500
[101.6]
[38.1]
[38.1]
.875 DIA.[22.2]
DOOR SWINGDOOR SWING
22.81[579.4]
[76.2]3.000
PROVISION EACH END FORLIFTING (2.00 DIA. HOLES)
PROVISION FOR.750 DIA. HDW.[19]
56.50 [1435.1]
10.89[276.5]
10.89[276.5]
20.13[511.2]
67.62 [1717.5]21.14[537]
TYP
131.63[3343.4]
*
*
Outline drawing R-MAG 38 kV 1250 A
Descriptive bulletin | R-MAG magnetically actuated dead tank outdoor vacuum circuit breaker 11
52.25 [1327.2]
63.19 [1604.9]
OUTLINE OFCABINET
USE BRACES WHEN LEGSARE FULLY EXTENDED
132.81 [3373.4]
63.19 [1605.0]
67.62 [1717.5]21.28
[540.5]
81.50 [2070.1]
52.25[1327.2]
21.31[541.3]
10.94[277.9]
56.50 [1435.1]
10.94[277.9]
REAR OFCABINET
28.19 [715]DOOR SWING
17.25 [438] DOOR SWING
22.50 [571]23.00 [584]
25.59 [650.1]
4.13 [105.0]
4
30.00 [762.0]
4.44 [112.7]
34.44 [874.7]
6.24[158.4]
8.00 X 12.00 OPENING WITHREMOVABLE PLATE. CUSTOMERTO DRILL TO SUIT.
[203.2] [304.8]
MAN
UAL T
RIP
GROUND PAD
FOUNDATION PLAN
6 4 2
5 3 1
TYP
5 3 1
DOORS TO CONTROLCOMPARTMENT
4.000
1.500
1.500
[101.6]
[38.1]
[38.1]
.875 DIA.[22.2]
DOOR SWINGDOOR SWING
22.81[579.4]
[76.2]3.000
PROVISION EACH END FORLIFTING (2.00 DIA. HOLES)
PROVISION FOR.750 DIA. HDW.[19]
4. SEISMIC RATING "HIGH" PER IEEE STD 693. (EXCEEDS ZONE 4)3. MIN. WEIGHT: 2400 LBS [1089] KG.2. 47.00 [1193.8] CLEARENCE ABOVE ROOF REQUIRED TO REMOVE BUSHINGS.1. ALL DIMENSIONS IN [ ] BRACKETS ARE MILLIMETERS.NOTES:
3.000 VERTICAL HOLESPACING FOR ADJUSTMENT
*
*
Outline drawing R-MAG 38 kV 2000 A
12 R-MAG magnetically actuated dead tank outdoor vacuum circuit breaker | Descriptive bulletin
Order aid
Digit # 1, 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18
Style Number MB 1 1 1 3 6 G G M H 5 K Z C N 0 0
Type
R-MAG *
Voltage
15 kV 1
27 kV 2
38 kV 3
Bil
110 kV 1
125 kV 2
150 kV 5
200 Kv (38kV only) 0
Continuous Current
1200A 1
2000A 2
3000A OA (15kV R-Mag breaker Only) 4
3700A FA (15kV R-Mag breaker only) 5
600A 6
1600A 7
800A 8
Interrupting Rating
12.5kA 1
16kA 2
20kA 3
25kA 4
31.5kA (38kV only) 5
Auxiliary Switches
One 16 Deck Switch (8a + 8b) 6
One 20 Deck Switch (10a + 10b) 0
Two 16 Deck Switches (16a + 16b) D
Current Transformers 1-3-5
Ratio Accur
Thermal
rating
factor
1
Set
2
Sets
Notes: Also available in CSA and
50 HZ ratings
600/5 C100 TR 2.00 A B A B
1200/5 C200 TR 2.00 C D C D
1200/5 C200 TR 1.33 E F E F
1200/5 C400 TR 1.33 G H G H
1200/5 C200 TR 2.00 N/A I Two sets of CTs I
1200/5 C400
2000/5 C400 TR 1.33 J K J K
Descriptive bulletin | R-MAG magnetically actuated dead tank outdoor vacuum circuit breaker 13
Digit # 1, 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18
Style Number MB 1 1 1 3 6 G G M H 5 K Z C N 0 0
Current Transformers 1-3-5
Ratio Accur
Thermal
rating
factor
1
Set
2
Sets Notes
1200/5 C400 TR 2.00 L M L M
1200/5 C400 TR 2.00 N/A O Two sets of CTs O
2000/5 C400
3000/5 C400 TR 1.33 P Q P Q
1200/5 C400 TR 1.50 R S R S
2000/5 C400 TR 2.00 T U T U
2000/5 C800 TR 2.00 V W V W
600/5 C200 TR 2.00 X N/A X
600/5 C400 TR 1.50 Y N/A Y
SPECIAL Z
NONE N
Current Transformers 2-4-6
Same as CTs for 1-3-5 above G
R-Mag Actuator
Magnetic Actuator M
Control Voltage, R-Mag Actuator Control
Low Voltage Actuator Controller (20.4-52.8VAC or 16.8-75VDC) L
High Voltage Actuator Controller (85-264VAC or 77-280 VDC) H
Auxiliary Power
120VAC (must use high voltage actuator controller) 1
240VAC (must use high voltage actuator controller) 2
48VDC (must use low voltage actuator controller) 4
125VDC (must use high voltage actuator controller) 5
Circuit Protection
Molded case circuit breaker (MCB‘s) A
Knife Switch K
Pullout Fuse Block P
Standard (MCB for HTR and AUX, knife SW for control) S
Special Z
Control
Basic (no relay on breaker) B
Microprocesser M
Special Z
Panel Configuration
Std ctrl switch, open/close ind lights, and Local/Remote toggle switch L
Panel with standard control switch and open/close indicating lights,only S
Special Z
No Panel N
Bushing Terminal
Clamp C
4 Hole NEMA Pad 4
Threaded Stud Only S
Special Z
Serial Number 0 0
* Not all combinations of options are available for all ratings. Please consult your ABB sales representative for more information.
14 R-MAG magnetically actuated dead tank outdoor vacuum circuit breaker | Descriptive bulletin
Technical data
Units R-MAG
Rated Maximum Voltage kV 15.5 27 38
Continuous Current A 800/1250 800/1250/
2000
800/1250/2000/
30001/37002
1250 1250/
2000
1250/
2000
1250/
2000
Operating temperature -50 °C and 70 °C per IEC 62271-1003
Voltage Range Factor K¶ 1 1 1 1 1 1 1
Short Circuit Interrupting Current (at Contact Part) kA,
RMS, Sym
kA 12.5 20 25 12.5 20 25 31.5
Frequency Hz 50/60 50/60 50/60 50/60 50/60 50/60 50/60
Power Frequency Withstand Dry 60 Hz for 1 Min kV 50 50 50 60 60 60 80
Power Frequency Withstand Wet 60 Hz for 10 Sec kV 45 45 45 50 50 50 75
Lightning Impulse Withstand (BIL) kV 110 110 110 125/150 125/150 125/150 200
Chopped Wave Withstand (kV peak) kV 142 142 142 194∆ 194∆ 194∆ 258
Operating Duty (Standard Duty Cycle) cycles Exceeds ANSI standard O-0.3 sec-CO-3 min-CO
Maximum Interrupting Time cycles 3 3 3 3 3 3 3
Permissible Tripping Delay Y sec 2 2 2 2 2 2 2
Closing Time cycles 6 6 6 6 6 6 6
Reclosing Time sec 0.3 0.3 0.3 0.3 0.3 0.3 0.3
Short Circuit Interrupting Current
(at Contact Part) kA, RMS, Sym
kA 12.5 20 25 12.5 20 25 31.5
Close & Latch (Initial Current Loop)
kA, RMS, Asym
kA 20 32 40 20 32 40 50.4
Close & Latch (kA Peak) kA 32.5 52 65 32.5 52 65 81.9
Short Time Current (3 Sec) kA, RMS, Sym kA 12.5 20 25 12.5 20 25 31.5
Rated Duration of Short-Circuit @
Short-Time Current
sec 3 3 3 3 3 3 2
Transient Recovery Voltage (kV Peak) kV 29 29 29 51 51 51 71.7
Load Current Switching Capability A 600/800
1250
600/800/
1250/2000
600/800/1250/
2000/3000
1250 1250/
2000
1250/
2000
1250/
2000
Wire Line Charging Current A 100 100 100 100 100 100 100
Isolated Cable Charging Current A 600 600 600 400 400 400 600
Isolated Capacitor Bank Switching Current (A RMS) A 600 600 600 600 600 600 600
Back-to-Back Shunt Capacitor Bank
Switching Current (A RMS)
A 600 600 600 600 600 600 600
Transient Overvoltage Factor C1* C1* C1* C1*
C1* C1* C1* C1*
Transient Inrush Current (kA Peak) Back-to-Back A 20 20 20 20 20 20 20
Transient Inrush Frequency (Hz) Back-to-Back Hz 4240 4240 4240 4240 4240 4240 4240
Grounding of System and Capacitor Bank System Grounded or Ungrounded
Capacitor Bank Grounded or Ungrounded
Mechanical Life (No Load Operations) 10000 10000 10000 10000 10000 10000 100001 up to 3000 A standard breaker2 3700 A forced air cooled breaker3 above 40 °C breaker derated per ANSI C37.010
* Per C37.09a restrike
category
¶ Interrupter life rated for 30,000 operations when interrupting loads
areless than 1 kA. For interrupting loads greater than 1 kA, consult
interrupter life curves on page 3.∆ For 150 kV BIL full-wave rating only
Descriptive bulletin | R-MAG magnetically actuated dead tank outdoor vacuum circuit breaker 15
Options
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Contact us
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M)ABB Inc.
655 Century Point
Lake Mary, FL 32746
Phone: +1 407-732-2000 ext. 2520
+1 800-929-7947 ext. 5
Fax: +1 407-732-2029
www.abb.com/mediumvoltage
All sales are subject to ABB Inc.General Terms and
Conditions of Sale.
While every effort has been made to assure accuracy, the
information in this document is subject to change without
notice.
© Copyright 2002, 2010 ABB Inc. All rights reserved.