220V Motor Speed Controller, 4000W AC Voltage Regulator, 220V Voltage Regulator, Motor Speed Controller, Electric Motor Speed Controller

Adopts double insulation; there will be no electrical leakage if a short circuit or SCR burns out.

Can prevent peak voltage and electrical surges; absorption RC and fuse enhance safety during use.

Aluminum casing prevents easy damage; tin-filled prevents overheating when dealing with high current.

With protective cap and disconnect after; thicker and larger heat sink.

Wide application: electric oven, water heater, lamps, small motor, iron, etc.