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

Product: Aluminum casing, tin filling prevents overheating under high current. Performance: Double insulation prevents electrical leakage in case of short circuit or SCR burnout. Adjustable Voltage: From 10VAC to 220V, best suited for electrical devices requiring low voltage to drive heating wires. Dual Capacity: Prevents electrical overvoltages and spikes; the RC absorption and fuse improve safety during use. Application: The motor regulator can regulate the speed, voltage, temperature, and brightness of various electronic devices, such as electric ovens, water heaters, and lamps.