Home / Indoor Type High-voltage Circuit Breaker / Good Price Indoor VS1 12kv High Voltage Vacuum Circuit Breaker

Good Price Indoor VS1 12kv High Voltage Vacuum Circuit Breaker

Specification: 630-650 USD/PIECE
Use Parts: 1 PIECE
Supply Ability: 100 PIECE
Payment Terms: TT , LC , Others
Place of OriginZhejiang, China
Brand NameAISO/OEM
Model NumberVS1-12
TypeHigh Voltage, High voltage circuit breaker
Poles Number3
Product nameVS1-12 Circuit Breaker
Rated Voltage12KV
Rated current630-3150A
Rated frequency50Hz
Rated short circuit4S
Mechanical life10000Times
MaterialGood quality
CustomizedAccept special order
Packaging DetailsStandard export wooden case packing
PortNingbo or Shanghai


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

Item Description Unit Data
1 Rated voltage KV 12
2 Max. voltage KV 12
3 Rated current A 630/1250/1600/2000/2500/3150
4 Rated break current on shorting KA 20/25/31.5/40/50
5 Rated short circuit making current KA 50/63/80/100/125
6 Rated peak withstand current KA 50/63/80/100/125
7 4S Rated withstand current KA 31.5/40/50
8 Rated insulation level Power frequency voltage(when losing a circuit) KV Dreaker 48
Impulse withstand voltage(when losing a circuit) Dreaker 84
9 Rated operating sequence
10 Mechanical life Times 10000
11 Open circuit times of rated short dropout current Times 50
12 Rated close brake voltage of operating machnie V 110,220
13 Rated break brake voltage of operating machnie V 110,220
14 Clearance between open contacts mm 11±1
15 Exceed range(the compress length of contact sping) mm 4±0.5
16 Different period of three-phase break and close break ms ≤2
17 The jump time of contact close break ms ≤2
18 Average break speed m/s 0.9~1.2
19 Average closing speed m/s 0.6~1.2
20 Closing time s ≤0.1
21 Resistance of each phase main loop μΩ ≤40
22 Contacts limit ersion mm 3

Note:Please contact the factory to confirm the latest parameters

Outline and installation dimension

Good Price Indoor VS1 12kv High Voltage Vacuum Circuit Breaker


Rated current(A) 630 1250 1600
Rated short-time withstand current(kA) 20,25,31.5 25,31.5,40 31.5,40
Interphase distance(mm) 210±1.

Product picture details  (Real product picture, unprocessed)

Good Price Indoor VS1 12kv High Voltage Vacuum Circuit Breaker

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Liushi Town, Yueqing, Wenzhou, Zhejiang Province.


Yueqing Aiso Electric Co.,Ltd. is located in Liushi Town, Yueqing, Wenzhou, Zhejiang Province. Industrial Zone, Liushi town is China's high and low voltage electrical appliances.
Yueqing Aiso Electric Co., Ltd