1. Over-voltage protection; Under-voltage protection; Over-current protection; Automatic recovery 2. Voltage display(voltage measurement); Current display (current measurement) 3. Voltage calibration: Voltage +-10% adjustable. 4. Restore factory settings: the down button for more than 12s 5. Fault inquiry: the UP button from more than 12S Product Parameters: 1.Model number: TOVPD1-60-EC 2.Power supply: 230VAC 50/60Hz 3.Max.Loading power: 1~60A Adjustable(default: 60A) 4.Over-voltage protection value range: 230V~300~OFF(default: 270V); Over-voltage recovery voltage range: 225V--295V(default: 250V); Over-voltage protection action time: 0.1s~30s(default value: 0.5s); Over-voltage recovery delay time: 1s~500s(default: 30s) 5.Under-voltage protection value range: 140V--210V --OFF(default: 170V); Under-voltage recovery voltage range: 145V--215V (default: 190V); Under-voltage protection action time: 0.1s~30s(default: 0.5s); Under-voltage recovery delay time: 1s~500s(default: 30s) 6.Over-current adjustment range: 1-60A (default: 40A); Over-current action range: 0.1~30 second (default: 0.5s); Over-currentrecovery delay time: 1s~500s(default: 30s) 7.Power-on delay time: 1s~500s(default: 10s) 8.Power consumption: less than 2W 9.Electric machinery life: 100,000 times 10.Installation: 35mm DIN rail type: 60A colour: white Material: plastic Size: about 85x35x65mm Package Contents: 2 x Protective Device Protector 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 a little different from the real thing. The measurement allowed error is +/- 1-3cm.