Feature 1 : Three-Phase AC 340-550V wide range input, Safety Standards : UL508 EN60950-1 compliant UL60950-1, Customizable : No, Feature 2 : High efficiency 91% and low dissipation, DC Voltage : 48V, Rated Current : 20A, Current Range : 0~20A, Ripple & Noise (max) : 80mVp-p, Voltage Range : Three Phase 340~550VAC (Dual Phase operation possible in connecting L1, L3, FG), Efficiency (Typ.) : 92%, Overload Protection : 105%~125% rated output power