VHM1 12KV fixed Type High Voltage Indoor permanent magnet vacuum circuit breaker

Price: 1000.0 USD
Trade Term: FOB,EXW
Payment Terms: T/T,L/C,WU
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Basic Info.
  • VCB: Vacuum circuit breaker 
  • circuit breaker: 12KV VCB 
  • Model No.: VCB 
  • Place of Origin: Zhejiang  
  • Min.Order: 1 Set/Sets
  • Means of Transport: Ocean, Air, Land
Supply Capacity
  • Production Capacity: 1000 Set/Sets per Month
  • Packing:1)1 plastic bag/set,1 wooden case/set 2)Special package required by clients
  • Delivery Date: 15-20 days upon receipt of deposit


VHM1 VCB is with modularized design, anti-interference design, compact structure, free maintenance, long-life endurance. 

VHM1 ( 12kV) Permanent Magnetic fixed  Vacuum Circuit Breaker, Indoor Type  

1. Prodcut Overview


For the control and protection of substation and equipments; making and breaking short-circuit current under various operating status of electric network.  

The VHM1 Permanent Magnet Actuator Vacuum Circuit Breaker passed the national type test with 120 thousand times mechanical life of the CB, marking our company as the first company in the industry to pass this test in China.

The circuit breaker is a newly launched product aiming at middle and high-end market. By using the stable single coil modular magnetic actuator, it is featured with fewer components and high reliability, lowering the starting current effectively and reducing mechanical vibration of the CB so as to extend the electric life significantly.

After it hit the market, the product has acquired recognition from end users. Some of them have already been applied in mines and metallurgy plants.  
1.2.Standards: IEC 62271-100

1.3.Parameters: Rated voltage: 12kV.  
                               Rated current: 630A~4000A.
                               Rated frequence:AC50HZ.

2. Features:

High insulation level and peak withstand current capacity.
Impact and vibration reduced, Less maintenance

Easy operation and installation.

Copact design and reliable interlock.


Mainly technical parameters
1Rated voltageKV12
2Rated FrequencyHZ50
3Rated CurrentA630.1250.1600.2000.3150,4000
4Rated short-circuit breaking currentKA20 25 31.5
5Rated short-circuit closing current (peak)KA50 63 80
6Rated short-circuit durationS4
7Rated short-circuit breaking current breaking number nos50s
8Rated operating sequence
9Rated lightning impulse withstand voltagekv125
101min power frequency withstand voltageKV65
11Closing timems50-100
12opening timems30-60
13Mechanical lifeTimes20000
14Rated Storage and operation voltageVAC DC 220/110
15Breaking lifems≤ 80
16Storage lifes≤ 10
       Adjust the parameters of mechanical properties:
1Contact distancemm11±1
2   Contact Over-travelmm3.0±0.5
3Closing speedm/s0.5-0.9
4Opening speedm/s0.9-1.3
5Contact closing spring timems≤2
6Rated contact pressureN20KA(2400±200) 25KA (2400±200) 31.5KA(3100±200)
7Three phase closing opening asynchronyms≤2


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Ms. lily lee
Tel: 86-577-27877837
Mobile: 13634290033
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Contact Method
Huanghua Group Co.,LTD
Liushi Town, Wenzhou, Zhejiang, China (Mainland)
Fax: 86-577-27877835
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