Dimmer, AC 220V 9A 4000W SCR Voltage Regulator Motor Fan Speed Controller Dimmer

General description High-quality dimmer designed for AC 220V applications, capable of handling up to 9A and 4000W. This SCR voltage regulator is ideal for controlling motor and fan speeds with precision. Technical specifications Input Voltage: AC 220V Maximum Current: 9A Maximum Power: 4000W (under ohmic loads) Power under inductive load: 1/3 of ohmic load Output Voltage Measurement: Requires a load of 20W or more for accurate readings Other information High-performance SCR used as the internal chip Thickened metal shell for high temperature resistance and durability Stepless voltage adjustment with rotary knob, zero hysteresis, and fast response Equipped with a universal multi-purpose socket and current display Includes multiple protection features for high-performance thyristors against overvoltage Electronic products with printed circuit boards should be used with caution The output is a Wehtselstrom metal shell and must be securely grounded