China Electrical Power Transformer manufacturer

Pillar Type Vacuum Circuit Breaker Outdoor High Voltage 12kv Frequency 50HZ

Product Details:
Place of Origin: China
Model Number: ZW32-12D/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: ZW32-12D/630-20 Poles Number: 3
Rated Voltage: 12KV/24KV Mechanical Life: 10000 Times
Rated Current: 630A Frequency: AC 50/60 Hz
High Light:

vcb circuit breaker


electrical vacuum breaker

Product Description

High quality safety vcb ZW32-12D/630-20 series pillar type outdoor high-voltage

12kv vacuum circuit breaker


ZW32-12 series pillar type outdoor vacuum high-voltage circuit breaker is a kind of outdoor

high-voltage switch equipment of three phase frequency 50HZ,rated voltage 12kv.It is used

in opening and closing the load current, overload current and short circuit current of the power

distribution network of the whole city or the village.


Service conditions:


a. ambient air temperature , upper limit +40, lower limit-40

b. elevation,≤1000mIf there is any need to increase the elevation,, the rated insulation level

should be increased properly

c. wind pressure, less than 700pa(the same as 34m/s wind speed)

d. Amplitude, The earthquake intensity does not exceed 8 degrees

e. pollution level, level 3

f. daily range of temperature ,less than 25


Item Unit Parameter
12.5KA 16KA 20KA
Ratedvoltage KV 12
Ratedcurrent A 400 630 630
Ratedshortopencurrent KA 12.5 16 20
Ratedshortmakingcurrent(peak) 31.5 40 50
Ratedpeakwithstandcurrent 31.5 40 50
Ratedshortwithstandcurrent 12.5 16 20
Ratedshortduration S 4
Ratedisolationlevel thunderimpulsewithstandvoltage
KV Altermatedtoearth75fracture85
1minpowerfrequencywithstandvoltage Alternatedtoearth42fracture85
Ratedoperatingsequence   dlose-0.3s-openanddlose-180s-openandclose
Mechanicallife 10000
Ratedoperatingvoltage(openanddosecoil) v DC220110AC220110
Contacterosionpermissionlength mm 3
Ratedcurrentofover-currenttrip A 5
Currentratioofmutualinductor   200/5400/5600/5
Ratedcontactstroke mm 9+1
Averageopeningspeed m/s 1.2+0.3
Averageclosingspeed 0.60.2


Pillar Type Vacuum Circuit Breaker Outdoor High Voltage 12kv Frequency 50HZ 0




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.

Pillar Type Vacuum Circuit Breaker Outdoor High Voltage 12kv Frequency 50HZ 1

Pillar Type Vacuum Circuit Breaker Outdoor High Voltage 12kv Frequency 50HZ 2



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.


Pillar Type Vacuum Circuit Breaker Outdoor High Voltage 12kv Frequency 50HZ 3

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