Digital Display Voltage Current Protector SelfResetting Industrial Supplies GPS8-01-D Item Type: Digital Display Voltage Current ProtectorRated Power Supply Voltage: AC220V Rated Power Frequency: 45~65Hz Rated Current: 63A Voltage Display: Yes Current Display: None Overvoltage Action Value Setting Range: 230V~ 300V (factory default 275V) Setting Range Of Undervoltage Action Value: 145V~ 210V (factory default 175V) Over/under Voltage Action Delay Time: 0.5s Overcurrent Action Value Setting Range: None Overcurrent Action Delay Time: None Hysteresis Rate: 5% (set value of voltage\current) Power-on Delay Time: 2s Reset Delay Time: 2~900s (factory default 30s) Measurement Error: ≤2% Delay Error: ±10% IP Rating: IP20 Pollution Degree: 3 Electrical Life: 100000 Mechanical Life: 1000000 Altitude: ≤2000m Working Environment Temperature: -20℃~ 55℃ Allowable Relative Humidity: ≤50% (40℃) (no condensation) Rail Standard: Width Approx. 35mm / 1.4in (IEC/EN60715)