
40
VM1
- INSTRUCTION MANUAL BA 504/05 E
10.3 Technical data
Circuit breakers on withdrawable part (
1
)
10.3.1 Performance data and weights
(
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
Rated voltage
kV
12
17.5
24
Rated frequency
Hz
50/60
50/60
50/60
Rated lightning impulse withstand voltage
kV
75
95
12 5
Rated power frequency withstand voltage
kV
28
38
50
Rated of rise of transient recovery voltage
kV/
μ
s
0.34
0.42
0.47
Peak transient recovery voltage
kV
20.6
30
41
Rated operating sequence
O-3
min-CO-3
min-CO
Rated operating sequence for autoreclosing
O-0.3
s-CO-3
min-CO
Guideline values for function times:
Closing time
ca.
45…60
ms
Opening time
ca.
35…50
ms
Arcing
time
(at
50
Hz)
≤
1 5
ms
Break time
≤
60
ms
Minimum command time on closing
20
ms
Minimum command time on opening
20
ms
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
)
Permissible
number
of vacuum
interrupter
switching
operations
Dimensional
drawings
VM1..
kV
A
kA
kA
kA
s
mm
approx.
kg
Figure
10a/10b
Page 33/34
Figure-no.
1206-16 (
5
) 12
630
16
17.4
40
3
150
127
Diagram A
10/8
1212-16 (
5
)
1250
150
131
Diagram A
10/8
1206-20 (
5
)
630
20
21.8
50
3
150
127
Diagram B
10/8
1212-20 (
5
)
1250
150
131
Diagram B
10/8
1206-25 (
5
)
630
25
27.3
63
3
150
127
Diagram C
10/8
1212-25 (
5
)
1250
150
131
Diagram C
10/8
1231-25
3150
275
280
Diagram C
10/5
1240-25 (
4
)
4000 (
4
)
275
280
Diagram C
10/5
1231-31
3150
31.5
34.3
80
3
275
280
Diagram D
10/5
1240-31 (
4
)
4000 (
4
)
275
280
Diagram D
10/5
1212-40
1250
40
43.6
100
3
210
215
Diagram E
10/4
1216-40
1600
210/275
215/220
Diagram E
10/4
1220-40
2000
275
220
Diagram E
10/5
1225-40
2500
275
225
Diagram E
10/5
1231 40
3150
275
280
Diagram E
10/5
1240-40 (
4
)
4000 (
4
)
275
280
Diagram E
10/5
1212-50
1250
50
54.5
125
3
210
222
Diagram F
10/7
1216-50
1600
210/275
222/230
Diagram F
10/7
1220-50
2000
275
260
Diagram F
10/6
1225-50
2500
275
265
Diagram F
10/6
1231-50
3150
275
290
Diagram F
10/6
1240-50 (
4
)
4000 (
4
)
275
290
Diagram F
10/6
—
10. Technical data
Summary of Contents for VM1
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