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Help CenterHV Electric Earthing Switch From China Supplier,JN15-12/24/40.5 Indoor HV Earthing Switch,earthing Switch Rated Voltage 12kv 24kv 40.5kv,high Voltage Earthing Switch JN15 for VCB Switchgear,12KV Earth Switch,12kV Indoor Switchgear Earth Switch
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JN15-12/31.5 indoor high voltage earthing switch
Specification:
JN15-12/31.5 series indoor HV Earth Switch is advance product for collective high technology on the world.
JN15-12/31.5 series indoor HV Earth Switch is advance product for collective high technology on the world . Through comprehensive examine, the feature comply with GB1985-89<<AC HV disconnecting switches and earth switches>>and IEC129 standard , suitable for power system with 12KV and blow AC 50Hz , support with kinds of HV switchgear and as earth protection.
Mainly technical parameters
Item |
Units |
Data |
||
Rated voltage |
kV |
12 |
||
Rated short time tolerance current |
kA |
31.5 |
||
Rated short circuit duration time |
s |
4 |
||
Rated short circuit closing current |
kA |
80 |
||
Rated peak value tolerance current |
kA |
80 |
||
Rated isolation lever |
1min working voltage tolerance |
kV |
Phase earth and inter phase |
42 |
Lightning Impulse voltage tolerance |
75 |
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