Model: SVP-917Power supply: AC 85-300V 50/60HzLoading power: 63A, 80A (optional)Over-voltage protection value range: 85V~300~OFF (default:270V) Over-voltage protection action time: 0.1s~60s (default value:0.1s)Under-voltage protection value range: 85V--300V-OFF (default:170V) Under-voltage protection action time: 0.1s~60s(default:0.1s)Over-current adjustment range: 1-63A or 80AOver-current action range: 0.1~60 second (default: 0.1s)Recovery delay time: 1s~512s(default:60s)​​Power consumption: <;1WElectric machinery life: 100,000 timesInstallation: 35mm DIN railFeatures:LCD display with backlight , can display total active energy (kWh) , real time current (A) , voltage(V) , active power (W).LCD display kWh (4 digital+1 decimal) , Bi-directional total active energy measurement ,reverse active energy measure in the total active energy.Product self-design has function of lighting protection.Overvoltage protection, under voltage protection and over-current protection can select auto-Reclosing pattern or manual--Reclosing pattern.In case of over-voltage fault, under-voltage fault or over current fault in single phase line, the product can power off the line and can automatically restore connecting the line over a time delay after voltage of the lien is recovered to normal condition.In case of transient over voltage in line, the product can protect the equipment from false operation.In case that the line subjects to unstable voltage or sudden power-off and power-on due to loosened connection and other fault, the product will disconnect the line.When fault voltage of the line reaches the peak, the product itself will not be damaged.Under over-current protection pattern, you also can select Malignant load protection (Pure Resistive Load limit) which is used for Apartments and Student Dormitories electric safety.You can select the circuit output cycle switch o