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

Adopts double insulation; there will be no electrical leakage in case of a short circuit or SCR burnout.
Can prevent peak voltage and electrical surges; RC absorption and fuse enhance safety during use.
Aluminum casing prevents easy damage; tin-filled prevents overheating under high current.
With protective cap and connection after; thicker and larger heat sink.
Wide application: electric oven, water heater, lamps, small motor, iron, etc.