11kv vacuum circuit breaker
12kv vacuum circuit breaker
- a) Airtemperature: Maximumtemperature: +40℃; Minimumtemperature:-25℃
- b) Humidity: Monthly average humidity 95%; Daily average humidity 90%.
- c) Altitude above sea level: Maximum installation altitude: 2500m
- d) Ambient air not apparently polluted by corrosive and flammable gas, vapor etc.
- e) Nofrequent violent shake
Main technical specifications:
Rated f requency
630, … 4000A
1min Power f requency withstand voltage
Lightning impulse withstand voltage
Rated short circuit breaking current (peak)
Rated short breaking current
Rated short circuit making current (peak)
Rated cable(line) charging breaking current
50 and 10
Rated single capacitor bank switching current
Rated withstand current (peak)
Short time withstand current (4s)
Note: For short circuit breaking current & rated currentis optionalby clients.
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.