Welcome to our store! This SCR Electronic Voltage Regulator is designed with a multi-functional industrial socket, featuring thickened copper parts and internal phosphor bronze fittings for high current, good contact, and safety. The flame-retardant metal casing ensures no deformation at high temperatures, prevents rusting, and effectively eliminates potential safety hazards. With zero hysteresis, zero delay, and a peak voltage absorption circuit, this regulator offers protection for high-power thyristors, making it surge, spike, and multiple protection ready. It comes with a high power output of 4000W, suitable for various electric appliances like stoves, water heaters, lamps, motors, soldering irons, and fan speed regulators. This SCR Electronic Voltage Regulator has a wide application range, allowing adjustment between 0 to 220 volts. The output voltage is adjustable, and the device is equipped to handle resistive loads between 2000W to 3000W. The package includes 1 SCR Electronic Voltage Regulator and 1 manual. 100% Satisfaction: Our customers are our top priority. If you find any product problems after receiving the goods, such as damage and incorrect quantity of goods, please contact the seller immediately. We try our best to provide you with satisfactory after-sales service. Thank you for choosing our product!