Multiple Functions: This protector offers over voltage protection, under voltage protection, and other useful functions. Advanced Features: The main feature of this protector is its ability to cut off power supply instantly in case of overvoltage, undervoltage, or overcurrent conditions, helping protect electrical equipment from damage. When the voltage returns to normal, the protector automatically restores power. Wide Applications: This protector is designed for over-voltage, under-voltage, and over-current protection in residential household distribution panels or for single-phase power equipment. High Compatibility: Suitable for single-phase AC 230V, 50/60Hz systems with a rated working current of 63A, making it ideal for use in homes, offices, and similar environments. Efficient and Durable: Designed with low power consumption and a long mechanical lifespan for reliable, long-term performance. Color: White Material: Plastic + Metal Size: Approximately 85 x 30 x 65mm Package Contents: 1 x Voltage Protector Note: Light reflection and different display settings may cause slight variations between the color shown in the image and the actual product. Measurement allows an error of +/- 1-3cm.