7
Rated voltage
kV
12
17.5
24
Rated frequency
Hz
50/60
50/60
50/60
Rated lightning impulse withstand voltage
kV
75
95
125
Rated power frequency withstand voltage
kV 28
1)
38
1)
50
Rate of rise of transient recovery voltage
kV/
µ
s
0.34
0.42
0.47
Peak of transient recovery voltage
kV
20.6
30
41
Rated operating sequence
O-3 min-CO-3 min-CO
Rated operating sequence with autoreclosing
O-0.3 s-CO-3 min-CO
1)
At the rated supply voltage.
2)
If the activating relay contact cannot itself interrupt the release
coil current.
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)
)
2.2
Technical data
Releases and blocking magnet
Equipment
Power consumption
1)
AC
DC
VA
W
Shunt release OFF
-Y2
3)
, -Y9
3)
250
250
-Y2
5)
, -Y9
5)
310
310
Shunt release ON
-Y3
3)
250
250
-Y3
5)
310
310
Blocking magnet
-Y1
3) 5)
10
10
Undervoltage release:
-Y4
• undelayed
3) 5)
11
10
• delayed
4)
10
–
Indirect overcurrent release
-Y7
with intermediate current transformer:
• two-phase
3.5
2)
/15
–
• three-phase
2.0
2)
/15
–
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.
1)
42 kV on request.
