This is suitable for rated voltage 0~750kV,Ambient temperature -50 ℃ ~200 ℃,Under the contamination condition moves junction, direct current system, Mainly uses in the power supply bureau transformer substation, the power plant booster station and loses the distribution line insulator and the chemical industry, the steel and iron, the electric railway, the mine pit and all easy contamination, the easy mist, to pour water on the moist electrical equipment, Enhances the equipment outside to insulate the rank, prevents the flashover accident the occurrence.
