GW4 series outdoor AC high voltage isolating switch
Outdoor AC high voltage isolation switch
Normal use conditions:
Altitude 1000-3000 meters
The ambient temperature is not higher than +40℃, not lower than -40℃
Wind pressure does not exceed 700Pa (equivalent to wind speed 35m/s)
Earthquake intensity does not exceed 8 degrees
The thickness of icing is not more than 10mm
The installation site should be free of flammable, explosive and dangerous goods, chemical corrosion and severe vibration;
Post insulator pollution grade: normal type is Ⅲ, anti-pollution type is Ⅳ.
This series of isolating switches meets the requirements of GB1985 "AC High-Voltage Isolating Switch", IEC129 "AC Isolating Switch and Earthing Switch" and IEC694 "Common Clauses for High-Voltage Switchgear and Control Equipment".
