3 Phase DIN Rail Protective Device Over Under Voltage Current Limiting Self Resetting Protector AC220V 380V 100A Item Type: 3 Phase Voltage Current Protector Model: STVP-935A Material: PC Flame Retardant Rated Power Supply Voltage AC220V AC380V Working Voltage Range AC80-400V AC140-700V Overvoltage (>U) Setting Range 230-300V 390-500V Undervoltage (>U) Setting Range 210-140V 370-260V Rated Frequency: 50/60HZ Current Setting Range: 1-100A Rated Current: 100A >U and <U Tripping Delay: 1-500s Voltage Measurement Accuracy: 2% Rated Insulation Voltage: 400V Output Contact: 3NO Electrical Life: 100000 Times Mechanical Life: 1000000 Times Protection Class: IP20 Pollution Level: 3 Altitude: ≤2000m Operating Temperature: -10℃ to 50℃ Humidity: ≤50% at 40℃ (non condensing) Storage Temperature: -10℃ to 55℃ Size: Approx. 90 x 52 x 97mm / 3.5 x 2 x 3.8in