JN15-12/31.5 Series Indoor HV Earth Switch
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 | |||
