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Quick Details

  • Place of Origin: Zhejiang, China (Mainland)
  • Brand Name: ghorit
  • Model Number: VS1-12
  • Type: Vacuum
  • Poles Number: 3
  • Standard: IEC
  • Certificate: ISO

Packaging & Delivery

Packaging Details Wooden Carton
Delivery Time Within 10days after receive T/T or L/C.

VS1-12 (ZN63A-12) series spring operating mechanism is a three-phase AC 50Hz,rated voltage 12kV indoor high voltage switch ,the products is introduction of Xi’an Senyuang company technology ,the Products for industrial and mining enterprises, power plants and substation facilities to do electrical protection and control purposes. The agency specifically with VS1-12 vacuum circuit breakers.


The use of environmental conditions:

1.Ambient temperature: not higher than +40 °C, not less than -15°C(at -30 °C to allow storage and transportation).

2. Altitude: not exceed 1000m.

3. Air 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.

4. Earthquake intensity: not more than eight.

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


Mainly Technical parameters

1. Operating mechanism of circuit breaker with permanent magnet single phase DC motor storage energy, storage energy with follow technical data sheet:



Rated Voltage

Power (W)

Normal working range (V)

Storage energy times of rated voltage (S)


DC 110

DC 220









Operating voltage adopt AC DC power. ( ) with 40kA parameter.


2. Technical data for operating mechanism magnet and tripper




Voltage operating voltage

Normal working voltage range


Closing magnet





85%-110% Rated voltage


Opening magnet


65%-120% Rated voltage

<30% rated voltage shouldn’t opening

Locking magnet



85%-110% Rated voltage


Over-current tripper Y7 (Y8,Y9)



Current 5A-3.5A




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