GW4 series outdoor AC high voltage isolation switch

1. Altitude less than 2000m;
2. The maximum ambient temperature shall not exceed+40 ℃, the minimum ambient temperature shall not be lower than -30 ℃, and the coldest area shall not be lower than -40 ℃;
3. The wind speed does not exceed 35m/s;
4. The seismic intensity shall not exceed 8 degrees;
5. The thickness of ice cover shall not exceed 10mm;
6. The installation site should be free of flammable and explosive dangerous goods, chemical corrosion, and severe vibration;
7. Pollution level of post insulators: ordinary type is level 0, and anti fouling type is level II.

The GW4 series outdoor AC high voltage isolation switch meets the requirements specified in GB1985-89 "AC High Voltage Isolation Switches", IEC129 (1984) "AC Isolation Switches and Grounding Switches", and IEC694 (1980) "Common Provisions for High Voltage Switchgear and Control Equipment".

Main technical parameters


Note: The values in parentheses in the table are actual experimental values
The bearing seat should rotate flexibly; The wiring socket should rotate flexibly, with a turning angle of not less than 90 degrees; Fasteners should be firm and not loose;
Measure the resistance data of the main circuit







GW4 series outdoor AC high voltage isolation switch