... than 40 centigrade degree, is not less than minus 30 centigrade degreewind pressure is not more than 700Pa(equivalent ... switch: earth-free, single ground, double groundingOutline high-voltage disconnecting switch:GWB-35 GLB-20 CLB-10 wall bushingRated ... switch: earth-free, single ground, double groundingGW1-12Item: rated voltage, rated current, rated peak withstand current, rated short-time withstand ...