12kV 1250a 31.5kA Vacuum Circuit Breaker Box,Voltage High-switch

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  • 5 - 19 Pieces
  • 20 - 39 Pieces
  • >=40 Pieces
Lead Time:
Quantity(Pieces) 1 - 10 11 - 20 >20
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
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Quick Details
Place of Origin:
Zhejiang, China (Mainland)
Brand Name:
Model Number:
VS1-12/1250A 31.5kA
High Voltage, Handcart vacuum circuit breaker
Poles Number:
Product name:
Voltage high-switch vacuum
Rated Voltage:
Rated current:
Rated frequency:
Rated short circuit duration:
Mechanical life:
Good quality
Accept special order
Supply Ability
Supply Ability:
100 Piece/Pieces per Month circuit breaker box voltage high-switch vacuum vacuum circuit
Packaging & Delivery
Packaging Details
Standard export wooden case packing
Ningbo or Shanghai
Picture Example:
Lead Time :
Quantity(Pieces) 1 - 10 11 - 20 >20
Est. Time(days) 7 10 To be negotiated
Product Description

12kV 1250a 31.5kA Vacuum Circuit Breaker Box,Voltage High-switch

MV Indoor Vacuum Circuit Breaker

10-12kV 1250A 31.5kA Wheeled Type VCB


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:-40 °C to +40 °C

Altitude: ≤ 1000m.

Relative humidity:≤  95%

Main Technical Parameters
1Rated voltageKV12
2Max. voltageKV12
3Rated currentA1250
4Rated break current on shortingKA31.5
5Rated short circuit making currentKA50/63/80/100/125
6Rated peak withstand currentKA50/63/80/100/125
74S Rated withstand currentKA31.5
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


Rated current(A)1250
Rated short-time withstand current(kA)31.5
Fixed contact size D(mm)Φ49
Interphase distance(mm)210±1.5
Drive travel(mm)200±2

Product picture details  (Real product picture, unprocessed)

Related Products

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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