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
JN15-12/31.5 is of new type indoor use air compressed AC high voltage load switch for breaking and making the circuit of 50Hz,12K.V system unde rated loading and short circuit current.
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Specification
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Unit
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Data
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rated voltage
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KV
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12
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Rated short time withstand current
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KA
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31.5
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Rated short duration
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S
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4
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Rated short-circuit current
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KA
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80
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Rated peak withstand current
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KA
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80
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center distance between poles
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mm
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150, 210, 230, 250, 275
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Rated insulation level
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1min power frequency withstand voltage
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KV
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on the ground, and white /very room
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42/48
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lightning impulse withstand voltage
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75/85
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