6
ABB Power Distribution
2
Technical data
2.1
Technical data
circuit-breakers
Rated voltage
kV
36
Rated frequency
Hz
50/60
Rated lightning impulse withstand voltage
kV
170
Rated power frequency withstand voltage
kV
70
Rate of rise of transient recovery voltage
kV/
µ
s
0.57
Peak of transient recovery voltage
kV
62
Rated operating sequence
O-3min-CO-3min-CO
Rated operating sequence with autoreclosing
O-0.3s-CO-3min-CO
Breaker
Rated
Rated
Rated
Short-circuit
Rated
Rated
Pole
Weight
type
voltage
current
short-circuit
breaking
short-circuit
short-
centres
breaking
current
making
circuit
current
asymmet-
current
duration
symmetrical
1)
rical
1)
(peak)
1)
VD4..
kV
A
kA
kA
kA
s
mm
c. kg
3612-25
36
1250
4)
25
27.3
63
3
360
320
3616-25
1600
6)
360
320
3620-25
2000
4) 5)
360
355
3625-25
2500
5) 6)
360
355
3612-31
1250
4)
31.5
34.3
80
3
360
320
3616-31
1600
6)
360
320
3620-31
2000
4) 5)
360
355
3625-31
2500
5) 6)
360
355
Guideline values for function times:
Closing time
approx.
65 ms
Opening time
≤
45 ms
Arcing time (at 50 Hz)
≤
15 ms
Total opening time
≤
60 ms
Minimum command time on closing
20 ms
2)
(120 ms
3)
)
Minimum command time on opening
20 ms
2)
( 80 ms
3)
)
1)
When the operating voltage is lower than the rated voltage, the same values apply as for rated voltage.
Higher values on request.
2)
At the rated auxiliary voltage.
3)
If the activating relay contact cannot itself interrupt the release coil current.
4)
Ambient temperature
≤
55
°
C.
5)
With natural ventilation of the switchgear panel.
6)
Ambient temperature
≤
40
°
C.
