12kv 1250A outdoor high voltage vacuum circuit breaker
ZW32-12 Series outdoor high voltage vacuum circuit breaker is rated voltage 12kV, three phase AC 50Hz outdoor distribution equipment .mainly used to breaking closing power system load current ,overload current and short-circuit current. Applicable to substations and power distribution in industrial and mining enterprises for protection and control purposes, and frequent operation place for rural power .
The circuit breaker Small size, light weight, anti-condensation, maintenance and so on. Adapt to adverse weather conditions, and to teach filthy environment.
- a) Air temperature: Maximum temperature: +85℃; Minimum temperature:-45℃
- b) Humidity: Monthly average humidity 95%; Daily average humidity 90% .
- c) Altitude above sea level: Maximum installation altitude:2500mor more higher.
- d) Ambient air not apparently polluted by corrosive and flammable gas, vapor etc.
- e) No frequent violent shake
3. Mainly Technical parameters
|4||rated short-circuit breaking current||kA||20/25|
|5||rated peak value withstand current(peak)||kA||50/63|
|6||rated short time withstand current||kA||20/25|
|7||rated short-circuit closing current (peak)||kA||50/63|
|9||rated short-circuit breaking current breaking number||Times||30|
|10||power frequency withstand voltages(wet) (dry) inter-phase ,earth, fracture||kV||42/48|
|11||Lightning impulse withstand voltage (peak) inter-phase ,earth, fracture||kV||75/85|
|12||Secondary circuit 1min power frequency voltages||kV||2|
Q:How to guarantee my order and payment.
A:Ezitown has Alibaba trade Assurance,100% refundable if any quality or
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
Q:Can we order many items and make combine shipment.
A:we can combine many items,and deliver by courier/sea/land/air etc.
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
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