Hot Selling 12kV 3 Phase Indoor Vacuum Circuit Breaker

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  • 5 - 19 Pieces
  • 20 - 39 Pieces
  • >=40 Pieces
Lead Time:
Quantity(Pieces) 1 - 20 21 - 30 >30
Est. Time(days) 7 10 Negotiable
Customized logo (Min. Order: 5 Pieces)
Customized packaging (Min. Order: 5 Pieces)


Graphic customization (Min. Order: 5 Pieces) Less
Samples - $610.00 /Pieces, 1 Pieces (Min. Order): Buy Samples
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Quick Details
Place of Origin:
Zhejiang, China (Mainland)
Brand Name:
Model Number:
High Voltage
Poles Number:
VS1-12 Circuit Breaker
Rated Voltage:
Rated current:
Rated frequency:
Rated short circuit duration:
Mechanical life:
Accept special order
Mechanical Life:
10000 Times
Supply Ability
Supply Ability:
100 Piece/Pieces per Month
Packaging & Delivery
Packaging Details
Standard export wooden case packing
Ningbo or Shanghai
Picture Example:
Lead Time :
Quantity(Pieces) 1 - 20 21 - 30 >30
Est. Time(days) 7 10 To be negotiated
Product Description

 Hot salling 12kv 3 phase indoor vacuum circuit breaker


MV Indoor Vacuum Circuit Breaker

10-12kV 650A-3160A Fixed Type VCB

VS1-12 type indoor high voltage vacuum circuit breaker, three-phase AC 50Hz, rated voltage for indoor switchgear 12KV power system, protection of power equipment enterprises. As a condition of power equipment and control unit. The frequent operation is suitable for requirements in the rated working current, or multiple breaking short circuit current.

The circuit breaker adopts the operating mechanism and the circuit breaker body integral design, can be used as a fixed installation unit, also can be equipped with a special propelling mechanism, which is composed of the action of the hand car unit.


Simple structure

Adapt ultra low resistance type vacuum interrupter

Adapt optimization and modular spring operating mechanism

Suitable for occasions with frequent operation

Free maintenance and long service life

High reliable performance

Environmental Conditions

Ambient temperature: not higher than +40 °C, not less than -10°C (at -30 °C to allow storage and transportation).

Altitude: not exceed 1000m.

Relative humidity: daily average of not more than 95%,saturated vapor pressure on the average of not more than 2.2 × 10-3MPa, On average not more than 1.8 × 10-3MPa.

Earthquake intensity: not more than eight.

No fire, explosion hazard, serious filthy, chemical corrosion, as well as places of intense vibration.

Main Technical Parameters
1Rated voltageKV12
2Max. voltageKV12
3Rated currentA630/1250/1600/2000/2500/3150
4Rated break current on shortingKA20/25/31.5/40/50
5Rated short circuit making currentKA50/63/80/100/125
6Rated peak withstand currentKA50/63/80/100/125
74S Rated withstand currentKA20/25/31.5/40/50
8Rated insulation levelPower frequency voltage(when losing a circuit)KVDreaker 48
Impulse withstand voltage(when losing a circuit)Dreaker 84
9Rated operating sequence OC-0.3s-CO-180S-CO
10Mechanical lifeTimes10000
11Open circuit times of rated short dropout currentTimes50
12Rated close brake voltage of operating machnieV110,220
13Rated break brake voltage of operating machnieV110,220

Note:Please contact the factory to confirm the latest parameters

Outline and installation dimension

Product picture details  (Real product picture, unprocessed)
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Our Services

Our Services


1.We can make the products as different’s special require.


2.Flexible lead time 


3.We can offer products at different prices 


4.We have our own workflow (AISO process) 


5.Any way, any time, your problems will be timely reply 




"Do you have a catalogue? Can you send me the catalogue to have a check of all your products?"

Yes , We have product catalogue.Please contact us on line or send an Email to sending the catalogue.


"Whether can produce as my require?"

"Yes,we can make the products as different’s special require."


"How long the product warranty?"

"Normally, the warranty for the product is 18 months , warmly reception with the calling, visiting and letters, and give the best answers and solution in time from the customers for the technical problem."


"What kind of payment do you accept ? Can I pay RMB ?"

"We accept T/T(Wire transfer),Western Union and Paypal. And you can pay money In RMB. No problem."


"Any requirements or question,welcome to ""Send"" us an e-mail  Now!!!


It's our great honor to do services for you! "




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