ABB AMVAC Kurzanleitung
AMVACTM
5/15/27 kV ANSI magnetic mechansim
vacuum circuit breaker
Technical guide
2 AMVAC | Technical guide
Table of contents
General overview ..................................................................................................................................................................... 3
Construction ............................................................................................................................................................................ 4
Capacitor bank switch ratings................................................................................................................................................. 6
Timing characteristics ............................................................................................................................................................. 7
Mechanical endurance ratings................................................................................................................................................. 8
Dimensions and weight ........................................................................................................................................................... 9
Power requirements and auxiliary switch ratings .................................................................................................................. 10
Outline drawing ..................................................................................................................................................................... 11
Schematic drawing ................................................................................................................................................................ 12
Notes ..................................................................................................................................................................................... 13
AMVAC | SafeGear HD 3
AMVAC breaker
General overview
The AMVAC breaker is a magnetically actuated and latched
breaker capable of a high number of operations due to its
simplified design. Fully compliant with IEEE Standards C37.04,
C37.06 and C37.09, the AMVAC breaker is a great fit for many
applications.
Features
−Mechanical operations counter
−Optional roll-on-floor design
−Open, closed, ready/not ready lights and pushbuttons
−Maintenance-free magnetic actuator
Available AMVAC breaker ratings
Voltage class Nominal voltages Continuous current Short circuit/with-
stand (2 sec)
Close and latch BIL (lightning im-
pulse withstand)
Low frequency
withstand (Hi-Pot)
kV kV AkA, rms kA, peak kV, crest kV, rms
5
2.4, 4.16, 4.8 1200, 2000, 3000 25 65 60 19
31.5 82
40 104
50 130
8.25 4.8, 6.9, 7.2 1200, 2000, 3000 40 104 95 36
15
6.9, 7.2, 8.4, 11, 12,
12.47, 13.2, 13.8,
14.4
1200, 2000, 3000 25
31.5
40
50
65
82
104
130
95 36
27 20.78, 21.6, 22.86,
23, 23.9, 24.94
1200, 2000 16
25
42
65
125 60
4 AMVAC | Technical guide
AMVAC breaker
Construction
Magnetic actuator
Introduced in 1997, the bi-stable magnetic actuator is used in
many ABB products, including the AMVAC breaker. Due to its
simple design, no maintenance on the actuator is necessary for
the lifetime of the product.
The magnetic actuator operates on the principle of shifting
magnetic flux and is latched into one of the stable positions by
rare-earth magnets which require no power.
Vacuum interrupters
ABB vacuum interrupters (VIs) are embedded in a solid insula-
tion material to protect the VIs from collecting dust or moisture
and from accidental bumps. The solid insulation also improves
tracking resistance making ABB circuit breakers some of the
lightest available in the market. Because of the embedded
design, these vacuum interrupters are maintenance-free for the
life of the VI.
On-board capacitors
The on-board capacitors of the AMVAC breaker deliver the
current needed for creation of magnetic fields within the mecha-
nism thereby eliminating current draw and voltage drop from the
battery bank for the substation.
For more information on the maintenance of the capacitors,
please see the AMVAC Installation, Operation and Maintenance
Manual.
1 Magnetic actuator | 2 Vacuum interrupters | 3 On-board capacitors
21 3
AMVAC | SafeGear HD 5
Electronic control board
The electronic control board technology for the AMVAC breaker
provides improved reliability due to its self-monitoring functions
and features. Featuring coil monitoring, sensor monitoring,
optional under-voltage trip and optional energy failure trip, the
AMVAC breaker is customizable for any application.
By managing the 45 ms current limited pulse delivered to the
mechanism by the on-board capacitors, the electronic control
board eliminates one cause of common failures in typical spring
mechanism breakers – the burning of trip and close coils.
Breaker racking truck
ABB’s breaker racking truck for switchgear is integral to the
breaker itself in lieu of being inside the switchgear breaker cell.
Rated for 180 foot-pounds of torque, the breaker racking truck
exceeds the industry standard of 50-60 foot-pounds by a factor
of three, greatly reducing the possibility of an over-torque con-
dition.
The breaker racking truck is rated for 1000 rack in-rack out
operations, exceeding the ANSI Standard of 500 operations.
AMVAC breaker
Construction
1 Electronic control board| 2 Breaker lift truck
21
6 AMVAC | Technical guide
Voltage class Continuous current Short circuit current Capacitor switching ratings
kV AkA Type Notes
51200 25 C0 25 A cable charging
31.5 C0 25 A cable charging
40 C0 25 A cable charging
50 C0 630 A back to back capacitor bank
2000 25 C0 25 A cable charging
31.5 C0 25 A cable charging
40 C0 630 A back to back capacitor bank
50 C0 630 A back to back capacitor bank
3000 25 C1 630 A back to back capacitor bank
31.5 C1 630 A back to back capacitor bank
40 C1 630 A back to back capacitor bank
50 C1 630 A back to back capacitor bank
8.25 1200 40 C1 630 A back to back capacitor bank
2000 40 C1 630 A back to back capacitor bank
3000 40 C1 630 A back to back capacitor bank
15 1200 25 C0 25 A cable charging
31.5 25 A cable charging
40 C1 630 A back to back capacitor bank
50 C1 1000 A back to back capacitor bank
2000 25 25 A cable charging
31.5 25 A cable charging
40 C1 630 A back to back capacitor bank
50 C1 1000 A back to back capacitor bank
3000 25 C1 630 A back to back capacitor bank
31.5 C1 630 A back to back capacitor bank
40 C1 630 A back to back capacitor bank
50 C1 1000 A back to back capacitor bank
27 1200 16 BTB 400 A back to back capacitor bank
25 BTB 400 A back to back capacitor bank
2000 16 BTB 400 A back to back capacitor bank
25 BTB 400 A back to back capacitor bank
AMVAC breaker
Capacitor bank switch ratings
AMVAC | SafeGear HD 7
Voltage class Continuous current Short circuit current Interrupt time Closing time
kV AkA Cycles ms
51200 25 345-60
31.5 345-60
40 545-60
50 545-60
2000 25 345-60
31.5 345-60
40 345-60
50 545-60
3000 25 345-60
31.5 345-60
40 345-60
50 545-60
8.25 1200 40 345-60
2000 40 345-60
3000 40 345-60
15 1200 25 345-60
31.5 345-60
40 345-60
50 345-60
2000 25 345-60
31.5 345-60
40 345-60
50 345-60
3000 25 345-60
31.5 345-60
40 345-60
50 345-60
27 1200 16 345-60
25 345-60
2000 16 345-60
25 345-60
AMVAC breaker
Timing characteristics
Total interrupting time consists of opening time plus the time
required for arc interruption. Total interrupt time is 50 ms or less
for three cycle breakers and 83 ms or less for five cycle brea-
kers.
8 AMVAC | Technical guide
AMVAC breaker
Mechanical endurance ratings
Voltage class Continuous current Short circuit current No load mechanical operations
kV AkA
51200 25 10000
31.5 10000
40 5000
50 5000
2000 25 10000
31.5 10000
40 5000
50 5000
3000 25 5000
31.5 5000
40 5000
50 5000
8.25 1200 40 5000
2000 40 5000
3000 40 5000
15 1200 25 10000
31.5 10000
40 5000
50 5000
2000 25 10000
31.5 10000
40 5000
50 5000
3000 25 5000
31.5 5000
40 5000
50 5000
27 1200 16 5000
25 5000
2000 16 5000
5000
AMVAC | SafeGear HD 9
AMVAC breaker
Dimensions and weight
Voltage class Continuous current Short circuit cur-
rent
Height Width Depth Weight
kV AkA in in in lb
51200 25 28 31 27 334
31.5 28 31 27 334
40 28 31 27 410
50 28 31 27 410
2000 25 28 31 27 419
31.5 28 31 27 419
40 28 31 27 419
50 28 31 27 419
3000 25 28 31 27 459
31.5 28 31 27 459
40 28 31 27 459
50 28 31 27 459
8.25 1200 40 28 31 27 410
2000 40 28 31 27 419
3000 40 28 31 27 459
15 1200 25 28 31 27 334
31.5 28 31 27 334
40 28 31 27 410
50 28 31 27 430
2000 25 28 31 27 419
31.5 28 31 27 419
40 28 31 27 419
50 28 31 27 430
3000 25 28 31 27 459
31.5 28 31 27 459
40 28 31 27 459
50 28 31 27 481
27 1200 16 30 31 27 410
25 30 31 27 410
2000 16 30 31 27 419
30 31 27 419
10 AMVAC | Technical guide
AMVAC breaker
Power requirements and auxiliary switch ratings
Power requirements
Actuator driver
Standby 10 W
Capacitor charging 100 W
Trip/close 0.25 W
Auxilliary contacts Nominal control power voltage
24 Vdc 48 Vdc 125 Vdc 250 Vdc 120 Vac 240 Vac
Rated carrying current 10 A 10 A 10 A 10 A 10 A 10 A
Rated breaking current 10 A 7.6 A 4.4 A 1.8 A 2.6 A 2.3 A
Maximum breaking current 12 A 10 A 6 A 0 A 26 A 23 A
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