40
VM1 - INSTRUCTION MANUAL BA 504/05 E
10.3 Technical data
Circuit breakers on withdrawable part (
1
)
10.3.1 Performance data and weights
(
1
) For further details on the cell type assignments see the section on dimensions for circuit breaker on withdrawable assembly
(
2
) At operating voltages lower than the rated voltage, the same values fundamentally apply as for the rated voltage. Higher values on request.
(
4
) Breakers for 4000 A with fan cooling
(
5
) Use in ZS8.4 only
Rated voltage kV
Rated frequency Hz
50/60 50/60 50/60
Rated lightning impulse withstand voltage kV
75 95 12 5
Rated power frequency withstand voltage kV
28 38 50
Rated of rise of transient recovery voltage
kV/μs 0.34 0.42 0.47
Peak transient recovery voltage kV
20.6 30 41
Rated operating sequence
O-3min-CO-3min-CO
Rated operating sequence for autoreclosing O-0.3s-CO-3min-CO
Guideline values for function times:
Closing time
ca.45…60ms
Opening time ca.35…50ms
Arcingtime(at50Hz) ≤1 5ms
Break time ≤60ms
Minimum command time on closing 20ms
Minimum command time on opening 20ms
Breaker
type
Rated
voltage
Rated
current
Rated
short-
circuit-
breaking
current
symm. (
)
Short-
circuit
breaking
currentr
asymm. (
)
Rated
short-
circuit
making
current
(peak) (
)
Rated
short-
circuit
duration
Pole
centres (
)
Weight (
) Permissible
number
of vacuum
interrupter
switching
operations
Dimensional
drawings
kV A kA kA kA s mm approx.
kg
Figure
Figure-no.
1206-16 (
5
) 12 630 16 17.4 40 3 150 127 Diagram A 10/8
1212-16 (
5
) 1250 150 131 Diagram A 10/8
1206-20 (
5
) 630 20 21.8 50 3 150 127 Diagram B 10/8
1212-20 (
5
) 1250 150 131 Diagram B 10/8
1206-25 (
5
) 630 25 27.3 63 3 150 127 Diagram C 10/8
1212-25 (
5
) 1250 150 131 Diagram C 10/8
1231-25 3150 275 280 Diagram C 10/5
1240-25 (
4
) 4000 (
4
) 275 280 Diagram C 10/5
1231-31 3150 31.5 34.3 80 3 275 280 Diagram D 10/5
1240-31 (
4
) 4000 (
4
) 275 280 Diagram D 10/5
1212-40 1250 40 43.6 100 3 210 215 Diagram E 10/4
1216-40 1600 210/275 215/220 Diagram E 10/4
1220-40 2000 275 220 Diagram E 10/5
1225-40 2500 275 225 Diagram E 10/5
1231 40 3150 275 280 Diagram E 10/5
1240-40 (
4
) 4000 (
4
) 275 280 Diagram E 10/5
1212-50 1250 50 54.5 125 3 210 222 Diagram F 10/7
1216-50 1600 210/275 222/230 Diagram F 10/7
1220-50 2000 275 260 Diagram F 10/6
1225-50 2500 275 265 Diagram F 10/6
1231-50 3150 275 290 Diagram F 10/6
1240-50 (
4
) 4000 (
4
) 275 290 Diagram F 10/6
—
10. Technical data