3535
10.2 Technical data
Circuit breakers for fixed installation
10.2.1 Performance data and weights
(
1
) At operating voltages lower than the rated voltage, the same values fundamentally apply as for the rated voltage. Higher values on request.
(
2
) Individual unit without truck
(
3
) Breakers for 4000 A with fan cooling
Rated voltage kV
Rated frequency Hz
50/60 50/60
Rated lightning impulse withstand voltage kV
75 95
Rated power frequency withstand voltage kV
28 38
Rated of rise of transient recovery voltage
kV/μs 0.34 0.42
Peak transient recovery voltage kV
20.6 30
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.
1 2 31- 25 12 31 50 25 2 7. 3 63 3 275 235 Diagram C 1 0/2
12 40-25(
3
) 4000(
3
) 275 235 Diagram C 1 0/2
1 231 -31 31 50 31 .5 34.3 80 3 275 235 Diagram D 10/2
1 240-31(
3
) 4000(
3
) 275 235 Diagram D 1 0/2
12 12 -40 12 50 40 43.6 10 0 3 210 13 5 Diagram E 1 0/1
1 216 -40 16 00 21 0/27 5 1 35/1 42 Diagram E 1 0/1
12 20-40 2000 21 0/27 5 1 35/1 42 Diagram E 1 0/2
12 25-40 2500 21 0/2 75 1 41 /1 48 Diagram E 1 0/2
1 2 31- 40 31 50 275 235 Diagram E 1 0/2
1240-40(
3
) 4000(
3
) 275 235 Diagram E 1 0/2
12 12 -50 12 50 50 54.5 12 5 3 21 0/2 75 232/240 Diagram F 1 0/3
1 216 -50 16 00 21 0/275 232/240 Diagram F 1 0/3
12 20-50 2000 21 0/27 5 232/240 Diagram F 1 0/3
12 25-50 2500 21 0/27 5 232/240 Diagram F 1 0/3
1 2 31- 50 31 50 275 245 Diagram F 1 0/3
12 40-50(
3
) 4000(
3
) 275 245 Diagram F 1 0/3