Functions: 1.Over-voltage protection. 2.Under-voltage protection 3.Over-current protection. 4.Automatic recovery 5.Voltage display(voltage measurement) 6.Current display (current measurement) 7. Voltage calibration: Voltage +-9.5% adjustable. 8. Restore factory settings: press the down button for more than 12s 9. Fault inquiry: Press the UP button from more than 12S Product Parameters: 1.Model number:TOSVA-16 2.Power supply:90-300VAC 50/60Hz 3.Max.Loading power: 1~16A Adjustable(default:16A) 4.Over-voltage protection value range:100V~300~OFF(default:270V) Over-voltage recovery voltage range: 95V--295V(default:265V) 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:80V--210V --OFF(default:170V) Under-voltage recovery voltage range:85V--215V (default:175V) 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:1-16A (default:16A) Over-current action range:0.1~30 second (default:0.5s) Over-current recovery 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.Installatin:35mm DIN rail size: 122 x 55 x 86mm color: White Material: PC Plug Type:EU Plug,it applies to Indonesia, Germany, France, Spain, Italy and so on Voltage: AC190-300V Package Contents: 2 x Voltage current Protector Socket 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.