... current, overheat, short circuit,8.Efficiency reach above 90% ,widely applicable load,for inductive, capacitive resistance,any combination ... suit for wide-load, can be for the inductive, capacitive, resistive, and any mixed loadsProtective device the ... over current, over temperature, over load, short circuit, and automatic alarmInsulation reactanceAbove 500Vdc 20MΩPressure endurance insulation1800Vac ...