JN17 12kv 40KA Indoor electric motor high voltage earthing switch for switchgear 12 KV HV Earth switch
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Specification
|
E
|
F
|
G
|
H
|
D
|
C
|
|
JN17-12/40-210
|
210
|
50
|
185
|
655
|
516
|
|
|
JN17-12/40-220
|
220
|
50
|
185
|
675
|
536
|
|
|
JN17-12/40-230
|
230
|
50
|
185
|
695
|
556
|
|
|
JN17-12/40-250
|
250
|
50
|
185
|
735
|
596
|
|
|
JN17-12/40-275
|
275
|
50
|
210
|
810
|
646
|
Specification
JN17-12/40 series indoor earthing switch is a new design which is improved on the ES1 type. it is suitable for electric power system with 3-12KV, three-phase and AC50(60)Hz, as an earthing protection , it can be used in various kinds of HV switchgears.
working condition :
Ambient temperrature: -10 ℃ -+40℃；
Altitude:<=1000m;
Relative humidity: Daily average <=95%, Monthly average<=90%
Earthquake intensity:<=8 degree;
Dirtiness degree: II
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