... on & off high voltage equipment frequently. It can be used in switching middle voltage three-phase motor, transformer ... ,80004000,63001min Industrial Frequency Bearing Voltage (kV)3242Thunder Stroking Bearing Voltage (kV)6075Semi-wave Permission Pass ... 10000Electrical Keeping10000001000000ElectricityLifetimeAC-325*1000025*10000AC-410*1000010*10000Operation Voltage (V)DC220/110, AC220/110DC220/110, AC220 ...