China Electrical Power Transformer manufacturer

Intelligent Type Power Vac Breaker AC 50HZ Three Phase Power System ZW8-12 / 630-20

Product Details:
Place of Origin: China
Model Number: ZW8-12 / 630-20
Payment & Shipping Terms:
Minimum Order Quantity: 1
Price: 200-5000/piece
Packaging Details: wooden case
Delivery Time: 15 days
Payment Terms: LC T/T
Supply Ability: 20000 pieces/year
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Detail Information

Model Number: ZW8-12/630-20 Poles Number: 3
Rated Voltage: 12KV Mechanical Life: 10000 Times
Rated Current: 630A Pole: 3 Poles
Function: Voltage Surges
High Light:

vcb circuit breaker


electrical vacuum breaker

Product Description

ZW8-12/630-20 with PT GPRS module 12KV 630A Intelligent type vacuum

circuit breaker vcb


ZW8-12 630-20 outdoor high voltage vacuum circuit breaker is an AC 50HZ three-phase

power system, Attention should be paid to the load current, no-load current and

short-circuit current for switching off and closing the 10KV power grid in urban areas,

It can also be used as a switch in rural power grid and small power system, It is an oil-free

renewal product of urban and rural power grids.


Intelligent Type Power Vac Breaker AC 50HZ Three Phase Power System ZW8-12 / 630-20 0


  Item Unit TechnicalData
|1 Ratedvoltage KV 12
|2 Ratedcurrent A 630
|3 Power-frequencywithstandvoltage KV 42/48
|4 Lightingimpulsewithstandvoltage(peakvalue) KV 75/85
|5 Ratedshort-circuitopeningcurrent kA 20
|6 Ratedshort-circuitdlosingcurrent kA 50
7 Ratedshortcircuitcurrentinterruptiontimes times ≥30
8 Mechanicallife times 10000
|9 Ratedoperatingvoltage(tumn-in/turmn-ofcoil) V DC220VIAC220V
10 AllowableWearThicknessofDynamicandStatic
mm 3mm
11 Disconnectiondistanceofisolationfradure mm >200mm
12 Ratedoperatingsequence   0-0.3s-C0-180s-CO





Snapped vacuum interrupter,air insulated,with electric spring operating mechanism,allowing

breaking the ability strong,high frequency short-circuit breaking,no fire and explosion hazards,

easy operation is an excellent,practical,strong product.

The product structure using three-phase common tank type,casing into the outlet,cabinets dry

air,electric spring mechanism is disposed on the side of the box,can be used under relatively

harsh environmental conditions.

This product is vacuum interrupter ceramic shell,goblet longitudinal magnetic field electrode

structure,copper-chromium contact materials,with excellent breaking and closing short-circuit

current capability.

The product is small,light weight,becautiful apperance.vacuum interrupter ans insulation support

sleeve design compact,pole qualifying conductive silicone rubber outer note,can adapt to harsh

weather confitions and dirty environmrnts.

Intelligent Type Power Vac Breaker AC 50HZ Three Phase Power System ZW8-12 / 630-20 1



About us


Qingdao Hengfengyou Electrical Engineering Co. , Ltd. is one of the large-scale electric complete

sets of manufacturers in China, specializing in oil-immersed transformers, dry-type transformers,

high-voltage Cabinets, low-voltage cabinets and substation manufacturing specialized electrical

enterprises. The company is located in the beautiful coastal city of china-qingdao. The company

has a registered capital of 10 million yuan, 20 senior technical personnel, more than 500 employees,

and a sound sales and service system, annual output value of US $1 billion, the products sell well

at home and abroad.


Intelligent Type Power Vac Breaker AC 50HZ Three Phase Power System ZW8-12 / 630-20 2

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