three phase circuit breakers GN30-12KV Series Indoor HV Rotation Disconnect Switch

three phase disconnect switch GN30-12KV Series Indoor HV Rotation Disconnect Switch

1)No.1 Vacuum circuit breaker factory
2)Export to many countries
?

GN30-12 series indoor HV rotation disconnecting switches is a new type disconnecting switches , which special designed for XGN2-12 HV switchgear , with rated voltage 12kV and three phase AC 50Hz indoor facility. It mainly openclosed circuit on condition with voltage and no load , make circuit breaker and main bus reliable and effective with disconnecting and earth, to guarantee safe for maintenance staff and component , avoid accident .
?
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. Relative humidity: daily average of not more than 95%, month average of not more than 90%. saturated vapor pressure daily average of not more than 2.2 kPa, month average not more than 1.8 kPa.
4. Earthquake intensity: not more than eight.
5. No fire, explosion hazard, serious filthy, chemical corrosion, as well as places of intense vibration.
?
Mainly Date of Operating mechanism

three phase disconnect switch GN30-12KV Series Indoor HV Rotation Disconnect Switch