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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.
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Mainly technical parameters
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Item |
Units |
Data |
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Rated voltage |
kV |
12 |
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Rated short time tolerance current |
kA |
31.5 |
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Rated short circuit duration time |
s |
4 |
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Rated short circuit closing current |
kA |
80 |
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Rated peak value tolerance current |
kA |
80 |
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Rated isolation lever |
1min working voltage tolerance |
kV |
Phase earth and inter phase |
42 |
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Lightning Impulse voltage tolerance |
75 |
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