ABB VM1 - Page 36

36 VM1 Vacuum circuit-breaker | Instruction manual 504/05
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
Breaker
type
Rated
voltage
Rated
current
Rated
short-
circuit-
breaking
current
symm.
1)
Short-
circuit
breaking
currentr
asymm.
1)
Rated
short-
circuit
making
current
(peak)
1)
Rated
short-
circuit
duration
Pole
centres
Weight
2)
Permissible
number
of vacuum
interrupter
switching
operations
Dimen-
sional
drawings
VM1.. kV A kA kA kA s mm approx.
kg
Figure
10a/10b
Page 33/34
Figure-no.
1731-25 17.5 3150 25 27.3 63 3 275 235 Diagram C 10/2
1731-31 3150 31.5 34.3 80 3 275 235 Diagram D 10/2
1712-40 1250 40 43.5 100 3 210 232 Diagram E 10/1
1716-40 1600 210/275 232/240 Diagram E 10/1
1720-40 2000 210/275 232/240 Diagram E 10/2
1725-40 2500 210/275 232/240 Diagram E 10/2
1731-40 3150 275 245 Diagram E 10/2
BA 504-05 GB_29102012.indd 36 30.10.12 13:45