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

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

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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

Item	Units	Data
Rated voltage	kV	12
Rated curre	A	400/630/1000/1250
4s thermal stability current	kA	12.5/20/31.5
Dynamic stability current	kA	31.5/50/80
Inter phase center	mm	210/230/250
Rated Isolation lever	1min working tolerance frequency voltage	kV	Phase earth and inter phase	42
Lightning Impulse voltage tolerance	75

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