Technical Data Releases And Blocking Magnet - ABB VD4 Product Manual

Vacuum circuit-breaker
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Guideline values for function times:
Closing time
Opening time
Arcing time (at 50 Hz)
Break time
Minimum command
time on closing
Minimum command
time on opening
1)
At the rated supply voltage.
2)
If the activating relay contact cannot itself interrupt the release
coil current.
Rated voltage
Rated frequency
Rated lightning impulse withstand voltage
Rated power frequency withstand voltage
Rate of rise of transient recovery voltage
Peak of transient recovery voltage
Rated operating sequence
Rated operating sequence with autoreclosing
1)
42 kV on request.
2.2
Technical data
Releases and blocking magnet
Equipment
Shunt release OFF
Shunt release ON
Blocking magnet
Undervoltage release:
• undelayed
3) 5)
• delayed
4)
Indirect overcurrent release
with intermediate current transformer:
• two-phase
• three-phase
1)
Approximate values
2)
With short-circuited intermediate current transformer
3)
Rated supply voltages AC: 110 and 220 V, DC: 24, 48, 60, 110 and 220 V.
4)
See RN3U for supply voltage
5)
Rated supply voltage AC: 240 V, DC: 125 and 240 V.
approx.
60 ms
45 ms
15 ms
60 ms
1)
20 ms
(120 ms
20 ms
1)
( 80 ms
-Y2
3)
5)
-Y2
3)
-Y3
5)
-Y3
-Y1
3) 5)
-Y4
-Y7
2)
)
2)
)
kV
12
Hz
50/60
kV
75
kV
28
kV/µs
0.34
kV
20.6
Power consumption
AC
VA
, -Y9
3)
250
5)
, -Y9
310
250
310
10
11
10
2)
3.5
/15
2)
2.0
/15
17.5
50/60
95
1)
1)
38
0.42
30
O-3 min-CO-3 min-CO
O-0.3 s-CO-3 min-CO
1)
DC
W
250
310
250
310
10
10
24
50/60
125
50
0.47
41
7

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