Redundant DC Power Supply, Input Voltage 24 to 48 V DC, Output Voltage 24V DC, Power Rating 480W, Output Amps 20, Mounting DIN Rail, Switching, Case Material Aluminum Case, Height 4.8 in, Width 1.97 in, Depth 4.76 in, Series PSG, Hz 50 to 60 Hz, Phase - Electrical Single, Peak Amps 20, IP Rating 20, Output Noise Less Than 50mV, Hold Up Time Greater Than 22 msec, Status Indicator Green DC OK Signal, NEMA Rating 1