Welcome to our store! This SCR electronic voltage regulator features a multi functional industrial socket with thickened copper parts, ensuring high current, good contact, and safety. The flame retardant metal casing prevents deformation at high temperatures and eliminates safety hazards. It also comes with zero hysteresis, zero delay, peak voltage absorption circuit, and multiple protections. With a high power of 4000W, this regulator is suitable for various electric appliances like electric stoves, water heaters, tungsten lamps, small motors, electric soldering irons, and fan speed regulation. Its voltage output ranges from 20 to 220V, making it versatile for different applications. Product Details: - Material: Aluminum, Silicon - Color: As Pictures Shown - Weight: Approx. 509g / 18.0oz - Output Voltage: 20-220V Adjustable - Ultimate Power: 4000W - Voltage Regulation Range: 20-220V Stepless Adjustable - Rated Current: 9A - Limit Current: 18A Package Includes: - 1 x SCR Electronic Voltage Regulator - 1 x 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.