Functions: 1. Over-voltage protection 2. Under-voltage protection 3. Automatic recovery 4. 63A 230V 50/60Hz Din Rail Adjustable Automatic Recovery Over and Under Voltage Protector Voltage Protective Device Color: White Material: Plastic Product Parameters: 1. Model number: SVP-912 2. Power supply: 230VAC 50/60Hz 3. Max Loading power: 63A 4. Over-voltage protection value range: 221V~300V~OFF (default: 280V) Over-voltage recovery voltage range: 220V~299V (default: 250V) Over-voltage protection action time: 0.1s~10s (default: 0.1s) 5. Under-voltage protection value range: 219V~150V~OFF (default: 160V) Under-voltage recovery voltage range: 151V~220V (default: 180V) Under-voltage protection action time: 0.1s~10s (default: 0.1s) 6. Recovery delay time: 2s~512s (default: 60s) 7. Delay time after power-on: 2s~255s (default: 2s) 8. Power consumption: Less than 2W 9. Electric machinery life: 100,000 cycles 10. Installation: 35mm DIN rail Note: When you first connect the product, you have to wait about 1 minute, after the red light turns off, then the product will work. Package Contents: 1 x Voltage Protect Relay Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture to be slightly different from the real thing. The measurement allowed error is +/- 1-3cm.