It is used in the network of power system for the Protection against electric shock. Suitable in Three-way phase electrical network and AC50Hz. It can be matched with KYN61-40 High Voltage switchgear. Technical parameter Rated voltage: 40.5KV Rated shorttime withstand current: 31.5 KA/4s Phase centre distance: 280, 300, 350 (mm) Operation environment Altitude No more than 1000m Surrounding temperature between -10℃ to +40℃ working situation no conductivity dust no corrosive gas of effect insulation and destroy metal. without violent vibration and striking. have no explosive danger and fire Assemble diagram