ABB VM1-T, Руководство пользователя

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(
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
M ED I U M VO LTAG E P R O D U C T S 37
10.3 Technical data
Circuit breakers on withdrawable part (
1
)
10.3.1 Performance data and weights
Rated voltage kV 12 17.5 24
Rated frequency Hz 50/60 50/60 50/60
Rated lightning impulse withstand voltage kV 75 95 125
Rated power frequency withstand voltage kV 28 38 50
Rated of rise of transient recovery voltage kV/μs 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 approx. 16 ms
Opening time approx. 10 ms
Arcing duration (at 50 Hz) ≤ 15 ms
Total opening time ≤ 25 ms
Minimum command time on closing 2 ms
Minimum command time on opening 2 ms
Breaker
type Rated
voltage Rated
current Rated
short-
circuit
breaking
current
symm. (
2 )
Short-
circuit
breaking
current
asymm. (
2
)
Rated
short-
circuit
making
current
(peak) (
2 )
Rated
short-
circuit
duration Pole
centres (
1 )
Weight
(
2 ) ( 1 ) ( 3 )
Permissible
of vacuum-
interrupter
switching
operations
VM1-T kV A kA kA kA s mm
approx.
kg Figure 9/28
page 31/32
1212-16 12 1250 16 150 131 Diagram A
1212-20 1250 20 150 131 Diagram B
1216-20 1600 210 135/140 Diagram C
1206-25 630 25 27.3 63 3 150 127 Diagram D
1212-25 1250 150 131 Diagram D
1216-25 1600 210 135/140 Diagram E
1220-25 2000 210 135/140 Diagram E
2412-20 24 1250 20 210 142/1407 Diagram B