8 VD4 Vacuum-circuit-breaker | Instruction manual 534/01
Guideline values for function times:
Closing time approx. 60 ms
Opening time ≤ 45 ms
Arcing time (at 50 Hz) ≤ 15 ms
Break time ≤ 60 ms
Minimum command time on closing 20 ms
1)
(120 ms
2)
)
Minimum command time on opening 20 ms
1)
(80 ms
2)
)
1)
At the rated supply voltage.
2)
If the activating relay contact cannot itself interrupt the release coil current.
Rated Rated Rated lightning Rated power Rate of rise Peak of Rated operating Rated operating
voltage frequency impulse frequency of transient transient sequence sequence with
withstand withstand recovery recovery autoreclosing
voltage voltage voltage voltage
kV Hz kV kV kV/µs kV
24 50/60 125 50 0.47 41 O-3 min-CO-3 min-CO O-0.3 s-CO-3 min-CO
Equipment Power consumption
1)
AC DC
VA W
Shunt release OFF -MO1
3)
, -MO2
3)
250 250
-MO1
5)
, -MO2
5)
310 310
Shunt release ON -MC
3)
250 250
-MC
5)
310 310
Blocking magnet -RL
3) 5)
10 10
Undervoltage release: -MU
- undelayed
3) 5)
11 10
- delayed
4)
10 -
Indirect overcurrent release with -MO3
intermediate current transformer:
- two-phase 3.5
2)
/15 -
- three-phase 2.0
2)
/15 -
2.2 Technical data
Releases and blocking magnet
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.
Groschopp-Motor
Rated supply voltage Power consumption
1)
Motor protection Charging time
(ABB-Stotz m.c.b.) (maximum)
2)
V VA/W A s
AC
110 260 1.6 S 281UC-K 10
220 260 0.75 10
240 260 0.75 10
DC
60 240 3.0 S 282UC-K 10
110 230 1.6 10
125 260 1.6 10
220 240 0.75 10
240 260 0.75 10
2.3 Technical data
Motor-operated mechanisms
1)
Approximate values
2)
At rated supply voltage
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