... inflammable, explosive dangerous goods, chemical corrosion and violent vibration.Post insulator pollution level: regular is 0 level, antifouling type is II ... high-voltage disconnecting switch:GWB-35 GLB-20 CLB-10 wall bushingRated voltage: 10kv, 20kv, 35kvRated current: 200A, 400A, 600A, 1000A ...