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 î§îšî î§îî î«
Rated frequency Hz
50/60î 50/60
Rated lightning impulse withstand voltage kV
75 î 95
Rated power frequency withstand voltage kV
28î 38
Rated of rise of transient recovery voltage
kV/ÎŒsî 0.34î 0.42
Peak transient recovery voltage kV
20.6î 30
Rated operating sequence
O-3îmin-CO-3îmin-CO
Rated operating sequence for autoreclosing O-0.3îs-CO-3îmin-CO
Guideline values for function times:
Closing time
ca.î45âŠ60îms
Opening time ca.î35âŠ50îms
Arcingîtimeî(atî50îHz)î â€î1 5îms
Break time â€î60îms
Minimum command time on closing 20îms
Minimum command time on opening 20îms
Breaker
type
Rated
voltage
Rated
current
Rated
short-
circuit-
breaking
current
symm. (
î§
)
Short-
circuit
breaking
currentr
asymm. (
î§
)
Rated
short-
circuit
making
current
(peak) (
î§
)
Rated
short-
circuit
duration
Pole
centres
Weight (
îš
) Permissible
number
of vacuum
interrupter
switching
operations
Dimensional
drawings
îîî§îîî kV A kA kA kA s mm approx.
kg
Figure
î§îŠîîšî§îŠî
îîîîîî©î©îšî©îȘ
Figure-no.
1 2 31- 25î 12 î 31 50î 25î 2 7. 3 î 63î 3î 275î 235î Diagram C 1 0/2
12 40-25(
3
) 4000(
3
) 275 î 235î Diagram C 1 0/2
1 231 -31 î 31 50î 31 .5î 34.3î 80î 3î 275 î 235î Diagram D 10/2
1 240-31(
3
) 4000(
3
) 275 î 235î Diagram D 1 0/2
12 12 -40î 12 50î 40î 43.6î 10 0î 3î 210 î 13 5î Diagram E 1 0/1
1 216 -40î 16 00î 21 0/27 5 1 35/1 42î Diagram E 1 0/1
12 20-40î 2000î 21 0/27 5î 1 35/1 42î Diagram E 1 0/2
12 25-40î 2500î 21 0/2 75î 1 41 /1 48î Diagram E 1 0/2
1 2 31- 40î 31 50î 275 î 235î Diagram E 1 0/2
1240-40(
3
) 4000(
3
) 275 î 235î Diagram E 1 0/2
12 12 -50î 12 50î 50î 54.5î 12 5î 3î 21 0/2 75î 232/240î Diagram F 1 0/3
1 216 -50î 16 00î 21 0/275î 232/240î Diagram F 1 0/3
12 20-50î 2000î 21 0/27 5î 232/240î Diagram F 1 0/3
12 25-50î 2500î 21 0/27 5î 232/240î Diagram F 1 0/3
1 2 31- 50î 31 50î 275 î 245î Diagram F 1 0/3
12 40-50(
3
) 4000(
3
) 275 î 245î Diagram F 1 0/3