, High Quality Features: Fully automatic overvoltage and undervoltage protector suitable for single-phase AC voltage 230V, 50/60Hz, with a rated working current of up to 63A. Designed for overvoltage, undervoltage, and overcurrent protection in residential distribution panels or for single-phase electrical equipment. Automatically disconnects power when overvoltage, undervoltage, or overcurrent conditions occur, protecting connected devices. Automatically restores power when voltage returns to normal. Specifications: Item Type: Over/Undervoltage Protector Material: Plastic Overvoltage Range: 230–300V (adjustable) Undervoltage Range: 145–210V (adjustable) Dimensions: Approx. 36 x 85 mm (1.42 x 3.35 in); 65 x 45 mm (2.56 x 1.77 in) Color: White Quantity: 1 Piece Note: No retail packaging included. 1 cm = 10 mm = 0.39 inch. Allow for a measurement tolerance of up to 1 cm due to manual measurement. Screen settings may cause slight color variation between the image and the actual product. Package Includes: 1 x Over/Undervoltage Protector (accessories shown in images are for illustration only and not included).