Type:Mini Certification:NONE Din Rail Dual Display 40A 63A 230V Adjustable Over Voltage Current And Under Voltage Protective Device Protector Relay 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 +-10% 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:OBS8-VA 2.Power supply:230VAC 50/60Hz 3.Over current protection: 1A-40A/63A (adjustable) (default: 20A) Under-voltage action switch-off value: 210V-160V (adjustable) (default: 145V) Over-voltage action switch-off value: 230V-300V (adjustable) (default: 280V) Reconnect time (delay on time): 1s-90s (default: 5s) 4.Power consumption : 5.Electric machinery life : 100,000 times 6.Installation:35mm DIN rail Error in real-time current, voltage : 5%