1. The altitude does not exceed 3000m
2. The upper limit of ambient temperature is +40°C, and the lower limit is -25°C
3. The wind speed should not exceed 35m/s
4. Places where there is no conductive or chemical gas and vapor
5. Places without fire or explosion hazard (filth, etc., do not exceed the third pole)
GW4-40.5 series outdoor high-voltage disconnector by base. It is composed of insulating pillars, conductive parts and operating mechanisms. There are two pillars at each pole, and the upper end of each pillar is equipped with a conductive gate. The contact between the two parts of the blade is in the middle of the two pillars. GW4-40.5 series outdoor disconnector is suitable for outdoor AC 50Hz. The rated voltage is 17.5KV and 40.5KV respectively in the power system, and the line is used as an opening and closing circuit when there is voltage and no load. The products comply with GB1985 and other related standards
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