GW4 series outdoor AC high voltage isolating switch
Outdoor AC high voltage isolating switch
Normal usage conditions:
Altitude 1000-3000 meters above sea level
The ambient temperature is not higher than +40℃ and not lower than -40℃
Wind pressure does not exceed 700Pa (equivalent to wind speed of 35m/s)
The earthquake intensity does not exceed 8 degrees
Ice thickness should not exceed 10mm
The installation site should be free of flammable and explosive dangerous goods, chemical corrosion and severe vibration;
The pollution level of pillar insulators is: ordinary type is level III, anti-pollution type is level IV.
This series of isolating switches meets the requirements stipulated in GB1985 "AC High-voltage Isolating Switches", IEC129 "AC Isolating Switches and Grounding Switches" and IEC694 "Common Clauses for High-voltage Switchgear and Control Equipment".
