1. Over-voltage protection; Under-voltage protection; Over-current protection; Automatic recovery2. Voltage display(voltage measurement); Current display (current measurement)3. Voltage calibration: Voltage +-10% adjustable.4. Restore factory settings: press the down button for more than 12s5. Fault inquiry: Press the UP button from more than 12SProduct Parameters: 1Model number:TOVPD1-60-2. supply:230VAC 50/60Hz3MaxLoading :1~60A Adjustable(default:60A)4Over-voltage protection value range:230V~300~OFF(default:270V); Over-voltage recovery voltage range:225V--295V(default:250V); Over-voltage protection action time:01s~30s(default value:05s); Over-voltage recovery delay time:1s~500s(default:30s)5Under-voltage protection value range:140V--210V --OFF(default:170V); Under-voltage recovery voltage range:145V--215V (default:190V); Under-voltage protection action time:01s~30s(default:05s); Under-voltage recovery delay time:1s~500s(default:30s)6Over-current adjustment range:1-60A (default:40A); Over-current action range:01~30 second (default:05s); Over-currentrecovery delay time:1s~500s(default:30s)7.-on delay time:1s~500s(default:10s)8. consumption : less than 2W9Electric machinery life : 100,000 times10Installation:35mm DIN railtype: 60Acolour: whiteMaterial: plasticSize: about 85x35x65mmPackage Contents:1 x Protective Device Protector RelayOnly the above package content, other products are not included.Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.