AC 220V 4000W High Power SCR Electronic Voltage Regulator, Speed Controller, Temperature Controller and Dimmer Thermostat

Double insulation; there will be no electrical leakage in the event of a short circuit or SCR burnout.

It can prevent voltage spikes and overvoltages; RC absorption and fuse to improve safety.

The aluminum case prevents easy damage; tin filling prevents overheating under high currents.

With protective cap and connection terminal; thicker and larger heat sink.

Wide applications: electric oven, water heater, lamps, small motors, irons, etc.