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:

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

2. Technical data for operating mechanism magnet and tripper