Item：JN15-12

12KV Indoor earthing switch vcb circuit breaker
     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.

Service 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:

 No.

Item

Unit

Parameter

 1

 Rated voltage

 KV

12

 2

 Rated frequency

 Hz

 50/60

 3

 1min power frequency withstand voltage

 KV

48

 4

 Lightming impulse withstand voltage

 KV

 75/95

 5

 Short time withstand current(4s)

 KA

 31.5

 6

 Mechanism life

 times

 2000

 

vcb circuit breaker
Q:How to guarantee my order and payment.
A:Ezitown has Alibaba trade Assurance,100% refundable if any quality or
delivery problem.

Q:How to return the goods if meet any problem
A:we have DHL and Fedex account for return goods.buyer no need to pay
any shipping cost for returning. Can contact our salesman to operate.

Q:Why Ezitown price is competitive, and quality seems rather good ?
A:because we have been manufacturing more than 20 years, we know what
price and Quality buyer can sell well in market.the wholeseller have
suitable profits

Q:Can we order many items and make combine shipment.
A:we can combine many items,and deliver by courier/sea/land/air etc.
pack well.

Q:Can I order the cabinet/enclosure/box and the wiring material from
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.
Q:How can I make our own brand for my order
A:we supply OEM service if order quantity meet the OEM MOQ , contact to
know the exactly quantity for your item

Q:What is the delivery if I make payment
A:Almost all items we keep in stock.and we have many order every day ,
We need 1-3 working days to packing and make delivery.OEM packing will
be longer time.

Q:Can we visit your factory or office ?
A:we always welcome customer visit us, let me know the schedule, we
will arrange.