Indoor earthing switch


Indoor earthing switch 33kv vacuum circuit breaker
Indoor earthing switch

JN15-12 Indoor earthing switch is applicable for three-phase AC power system of rated voltage up to 7.2KV~40.5KV and frequency 50/60 Hz, it widely used in many fields such as power plant, transformer substation, petrol chemical industry, metallurgy, manufacturing industry, airport, residential area, etc, for mounted at in frequency operation service indoor  air insulating switchgear like tyoe KYN28 or KYN96, ABB type ZS series,etc. The application of it and its expending products can fully meet the requirement of GB, DL, IEC, DIN, VDE ad well as standards of other advanced industrial countries.

Swrvice environment:

  •       a)Air temperatue: Maximum temperature:+40℃; Minimum temperature :-35℃
  •       b)Humidity:Monthly average humidity 95%; Daily average humindity 90%.
  •       c)Altitude above sea level: Maximum installation altitude:2500m
  •       d)Ambient air not apparently polluted by corrosive and flammable gas, vapor, etc.
  •       e)No frequent violent shake

Main technical specifications:






 Rated voltage




 Rated frequency




 1min power frequency withstand voltage




 Lightming impulse withstand voltage




 Short time withstand current(4s)




 Mechanism life



33kv vacuum circuit breaker
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suitable profits

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pack well.

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you or other supplier,you make wiring and assembly for us ?
A:we have egineering, wiring and assembly team for low voltage/medium
voltage/high voltage/DC control .can make drawing and diagram to
confirmation and proceed the assembly.we have unite nation project in
regular assembly.
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know the exactly quantity for your item

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We need 1-3 working days to packing and make delivery.OEM packing will
be longer time.

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