Instruction manual 504/05 | VM1 Vacuum circuit-breaker 41
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.
3)
With a motorized withdrawable part, the weight is increased by approx. 2 kg.
4)
Breakers for 4000 A with fan cooling
5)
Use in ZS8.4 only
Breaker
type
Rated
voltage
Rated
current
Rated
short-
circuit-
breaking
current
symm.
2)
Short-
circuit
breaking
currentr
asymm.
2)
Rated
short-
circuit
making
current
(peak)
2)
Rated
short-
circuit
duration
Pole
centres
1)
Weight
1) 3)
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.
1706-16
5)
17.5 630 16 17.4 40 3 210 127 Diagram A 10/8
1712-16
5)
1250 210 131 Diagram A 10/8
1706-20
5)
630 20 21.8 50 3 210 127 Diagram B 10/8
1712-20
5)
1250 210 131 Diagram B 10/8
1731-20 3150 275 280 Diagram B 10/5
1740-20
4)
4000
4)
275 280 Diagram B 10/5
1731-25 3150 25 27.3 63 3 275 280 Diagram C 10/5
1740-25
4)
4000
4
) 275 280 Diagram C 10/5
1731-31 3150 31.5 34.3 80 3 275 280 Diagram D 10/5
1740-31
4)
4000
4)
275 280 Diagram D 10/5
1712-40 1250 40 43.5 100 3 210 222 Diagram E 10/4
1716-40 1600 210/275 222/230 Diagram E 10/4
1720-40 2000 275 260 Diagram E 10/5
1725-40 2500 275 265 Diagram E 10/5
1731-40 3150 275 290 Diagram E 10/5
1740-40
4)
4000
4)
275 290 Diagram E 10/5
2406-16
5)
24 630 16 17.4 40 3 210 128 Diagram A 10/9
2412-16
5)
1250 210 142 Diagram A 10/9
2406-20
5)
630 20 21.8 50 3 210 128 Diagram B 10/9
2412-20
5)
1250 210 142 Diagram B 10/9
2406-25
5)
630 25 27.3 63 3 210 128 Diagram C 10/9
2412-25
5)
1250 210 142 Diagram C 10/9
BA 504-05 GB_29102012.indd 41 30.10.12 13:45