The 4000W 220V AC SCR Voltage Regulator Dimmer is a power control module that provides adjustable voltage regulation for 220V AC loads. It combines an SCR based voltage regulator with a dimmer, electronic starter, speed controller, thermostat regulator and motor starter capabilities in one compact unit. Designed to deliver reliable performance in electrical control applications, it supports loads up to 4000W and is suitable for use in systems requiring smooth voltage control and versatile regulation options. Key benefits Smooth and precise control of AC loads through SCR based dimming, enabling gradual adjustment of output and reduced inrush during startup. Multi function control in a single unit, including dimming, speed control for small AC motors, thermostat based regulation, electronic starter and motor starter features. Improved equipment longevity and safer operation through controlled voltage transitions and soft start, reducing stress on motors, heaters and other devices. Flexible integration for control panels and automation setups, helping to simplify wiring and improve process reliability. Key attributes Functionality: 4000W maximum load, 220V AC input, SCR voltage regulation, dimmer function, electronic starter, speed controller, thermostat regulator and motor starter capabilities. Compatibility: Designed for 220V AC systems with loads up to 4000W. Performance: Provides stable voltage regulation with smooth dimming transitions and reliable operation in electrical control scenarios. Size: Dimensions are not specified in the available information. Material: Construction details are not specified in the available information. Applications and use cases Heating control for 220V appliances: Use the dimmer regulator to adjust heat output on resistive heating elements or hot plates up to 4000W, achieving steady temperatures or gradual warm up. Motor soft start and speed control: Employ the speed controller and SCR regulation to provide a controlled ramp up for small AC motors in fans, blowers or machine tools, reducing inrush and extending motor life. Temperature regulation with thermostat control: Utilize the thermostat regulator function to maintain a setpoint in temperature sensitive processes such as small ovens, boilers or process heaters, while the electronic starter and motor starter features support reliable operation. Usage notes Connect only to suitable 220V AC circuits and observe all safety and wiring guidelines for power devices. Ensure the load does not exceed the 4000W rating and complies with local electrical codes. If used in a control panel or automation system, verify correct integration of the thermostat, speed control and motor starting functions to match the desired process requirements. This regulator dimmer unit combines power capability with flexible control options in a single 220V AC module, making it suitable for a range of heating, motor and temperature regulation applications while maintaining a professional and credible performance profile.