Multiple Functions: This protector offers overvoltage protection, undervoltage protection, and other useful functions. Advanced Features: The main feature of this protector is its ability to cut off power supply instantly in the event of overvoltage, undervoltage, or overcurrent, thereby protecting electrical equipment from damage. When the voltage returns to normal, the protector automatically restores power. Wide Applications: This protector is designed for overvoltage, undervoltage, and overcurrent protection in residential distribution panels or for single-phase power equipment. High Compatibility: Suitable for single-phase AC 230V, 50/60Hz systems with a rated 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: The package includes only the items listed above. Other products are not included. Note: Lighting effects and monitor settings may cause slight variations in color between the image and the actual product. Measurement tolerance is +/- 1-3cm.