ABB VM1-T Manual page 37

M E D I U M V O LTA G E P R O D U C T S
10.3 Technical data
Circuit breakers on withdrawable part (
10.3.1 Performance data and weights
Rated voltage
Rated frequency
Rated lightning impulse withstand voltage
Rated power frequency withstand voltage
Rated of rise of transient recovery voltage
Peak transient recovery voltage
Rated operating sequence
Rated operating sequence for autoreclosing
Guideline values for function times:
Closing time
Opening time
Arcing duration (at 50 Hz)
Total opening time
Minimum command time on closing
Minimum command time on opening
Breaker Rated Rated
type voltage current
VM1-T kV A
1212-16 12 1250
1212-20 1250
1216-20 1600
1206-25 630
1212-25 1250
1216-25 1600
1220-25 2000
2412-20 24 1250
( 1 ) For further details on the cell type assignments see the section on dimensions for circuit breaker on withdrawable assembly.
( ) At operating voltages lower than the rated voltage, the same values fundamentally apply as for the rated voltage. Higher values on request.
2
( ) With a motorized withdrawable part, the weight is increased by approx. 2 kg
3
)
1
kV
Hz
kV
kV
kV/μs
kV
approx. 16 ms
approx. 10 ms
≤ 15 ms
≤ 25 ms
2 ms
2 ms
Rated Short- Rated
short- circuit short-
circuit breaking circuit
breaking current making
current asymm. ( ) current
2
symm. ( ) (peak) (
2
kA kA kA
16
20
25 27.3 63
20
12 17.5
50/60 50/60
75 95
28 38
0.34 0.42
20.6 30
O-3 min-CO-3 min-CO
O-0.3 s-CO-3 min-CO
Rated Pole
short- centres ( )
1
circuit
duration
)
2
s mm
150
150
210
3 150
150
210
210
210
37
24
50/60
125
50
0.47
41
Weight Permissible
( ) ( ) ( ) of vacuum-
2 1 3
interrupter
switching
operations
approx. Figure 9/28
kg page 31/32
131 Diagram A
131 Diagram B
135/140 Diagram C
127 Diagram D
131 Diagram D
135/140 Diagram E
135/140 Diagram E
142/1407 Diagram B