Rated voltage
Rated power frequency withstand voltage peak
Rated lightning impulse withstand voltage
Rated frequency
Rated main busbar current
Rated current of tee-off busbar
Rated peak withstand current of main busbar
Rated short time current of main busbar
Earthing switch rated making current peak
Earthing switch rated short time current
Withdrawable fused contactor rated normal current
HV fuse type
CT rated secondary current
1) On request.
3.1 Electrical data
kV
kV
kV
Hz
A
A
kA
kA
kA
kA
A
A
3.6
10
40
50/60
4000
400
125
50/3 s
31.5
12.5/1 s
200/400
Tag type to BS2692-1986 type II 454 mm centres maximum
1
7.2
20 (32)
1)
60
3.2 Resistance to internal arc faults
The internal arc fault withstand capability is up
to 50 kA for 1 s with 125 kAp.
Refer to the general arrangement drawings of
the order for specific details of the gas duct.
3.3 Dimensions and weights
D
F
C
B
E
A
30
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3 Technical data
T E C H N I C A L D A T A
7
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3/1 Front and side
views
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3/1