DC Power Supply, Input Voltage 85 to 264 V AC, Output Voltage 24 to 28V DC, Power Rating 30W, Output Amps 1.3, Mounting DIN Rail, Switching, Case Material Plastic Case, Height 2.95 in, Width 1.77 in, Depth 3.58 in, Series SDP, Hz 43 to 67 Hz, Phase - Electrical Single, IP Rating 20, Output Noise Less Than 50mV, Hold Up Time Greater Than 25 msec, Status Indicator Green DC OK Signal, NEMA Rating 1