ABB VM1 - Page 41

MEDIUM VOLTAGE PRODUCTS
4141
(
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
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.
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 43.6 100 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