220V 4000W AC Motor Speed Controller with High Power Electronic Thermostat and Dimmer Switch (SCR)

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