Fangrui Product Details 1. Less Than +/- Reglation 2.110/220/400 Vac Programmable Input 3.rugged Compact Design; With Under Frequency Protection 4.soft Start Voltage Ramping 5.emi Suppression; Buit-in High Capacity 8amp Fuse Input Voltage: 110/220/400vac, 1 Phase 2 Wire Power Input Voltage:100-260v, 1 Phase 2 Wire Output Voltage: Max 90v Dc @240v Ac Input Current: Continuous 3.7a Intermittent 5a For 10 Secs Resistance: 15 Ohms Min 100 Ohms Max Regulation +/-1. Rms With Engine Governing Voltage Build-up:residualvolts At Avr Teminal Greater Than 5vac Thermal Drift 0. Per Deg. C Change In Avr Ambient Soft Start Ramp Time 2 Seconds External Voltage Adjustment +/- With 1 K Ohm 1 Watt Trimmer Under Frequency Protection Set Point: Hz Slope: 100- Down To 30 Hz Max. Dwell:volts/s Recovery Unit Power Dissipation 8 Watts Maximum Thermal. Drift:0. Per C Chage In Avr Ambient Under Frequency:60hz System Presets Knee Point At 55hz 50hz System Presets Knee Point At 45hz Operating Temperature:-40c To + 60c Storag