Specification: Origin: Mainland China Voltage: 220V AC Maximum power: 4000W Set voltage: 60 -220V Material: aluminum alloy Structure: 1 x adjustment knob 4 x connection pads (2 x input, 2 x output) Function parameter: Speed, brightness and temperature controls security function: A. In case of electrical overload or short circuit, it will blow out the fuse in the shortest time to protect your electrical safety and thyristor. It can be dangerous if you do not turn off the power quickly during a short circuit. B. When there is a current leakage, please blow the fuse immediately to ensure safety. Size: 86.00x76.00x37.00mm/3.39x2.99x1.46inch Number of phases: single phase Power supply type: AC Purpose: SVC Note: Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Thank you! Please allow 1-2cm measuring deviation due to manual measurement. Included: 1 x Electronic Voltage Regulator Compatibility with AC Brushed Motors: The electronic voltage regulator control switch is specifically designed to work seamlessly with AC brushed motors. Its compatibility ensures smooth and efficient control of these types of motors, making it ideal for applications requiring motor control. Wide Range of Applications: The thyristor electronic voltage regulator controller is versatile and can be applied to a wide range of devices and equipment, including electric furnaces, water heaters, lamps, small motors, and electric irons. This flexibility makes it a suitable choice for various electrical appliances. Exquisite Craftsmanship and Stable Performance: The temperature regulating module is meticulously crafted with attention to detail, resulting in a product that exhibits excellent workmanship and delivers consistent performance over time. Its stability ensures reliable voltage regulation in diverse environments. High-Temperature Resilience: The thyristor governor is equipped with a high-temperature resistant FR-4 circuit board, ensuring reliable operation even under extreme heat conditions. This feature enhances the durability and longevity of the voltage regulator. Efficient Speed Control: The electronic voltage regulator allows for precise and adjustable control over the speed of AC motors, ensuring optimal performance and enhancing energy efficiency. It enables users to achieve the desired speed with accuracy and ease.