ABB VD4 Series Instruction Manual - page 6
Breaker-
type
VD4...
3612-25
3616-25
3620-25
3625-25
3612-31
3616-31
3620-31
3625-31
4012-25
4016-25
4020-25
4025-25
4012-31
4016-31
4020-31
4025-31
Rated
voltage
kV
36
36
36
36
36
36
36
36
40.5
40.5
40.5
40.5
40.5
40.5
40.5
40.5
Rated
current
A
1250
1600
2000
2500
1250
1600
2000
2500
1250
1600
2000
2500
1250
1600
2000
2500
Rated
short-circuit
breaking
current,
symm.
1)
kA
25
31.5
25
31.5
Rated
short-circuit
breaking
current,
asymmetr.
1)
kA
27.3
34.3
27.3
34.3
Rated
short-circuit
mreaking
current,
(peak.)
1)
kA
63
80
63
80
Rated
short-circuit
duration
s
4
4
4
4
Pole
Centres
Fixed With-
draw-
able
mm
360 280
360 280
360 280
360 280
Weight
Fixed With-
draw-
able
approx. kg
320 290
320 290
355 340
355 340
320 290
320 290
355 340
355 340
290 290
290 290
340 340
340 340
290 290
290 290
340 340
340 340
Guideline values for function times at the rated supply voltage:
1)
When the operating voltage is lower than the rated voltage, the same values apply as for rated voltage. Higher values on request.
2)
If the activating relay contact cannot itself interrupt the release coil current
6 Technical data | VD4 Vacuum Circuit-breaker
2 Technical data
Rated voltage
Rated frequency
Rated lightning impulse withstand voltage
Rated power frequency withstand voltage(1min)
Rate of rise of transient recovery voltage
Peak of transient recovery voltage
Rated operating sequence
Rated operating sequence with autoreclosing
kV
Hz
kV
kV
kV/ s
kV
36
50/60
170
70
0.57
62
40.5
50/60
185
95
0.69
70
O-3min-CO-3min-CO
O-0.3s-CO-3min-CO
Closing time
Opening time
Arcing time (at 50 Hz)
Total break time
Minimum command time on closing
Minimum command time on opening
approx.
approx.
≤
≤
55~67 ms
33~45 ms
15 ms
60 ms
20 ms (120 ms
2 )
)
20 ms (80 ms
2 )
)
2.1 Technical data
circuit-breakers for fixed installation and on withdrawable part