AC 220V 4000W High Power SCR Electronic Voltage Regulator Thermostat Speed Controller

Double insulation ensures that there will be no current leakage in case of short circuit or SCR. Can prevent voltage spikes and electrical surges; absorption and RC fuse improve application safety. Aluminum housing prevents easy damage; filled can prevents it from heating up under strong current. Wide application: electric stove, water heater, lamps, small motor, iron, etc. With cap protector and terminal post; thicker and wider heat sink.