DC Power Supply, Input Voltage 115/230V AC, Output Voltage 5V DC; +/-12 to 15V DC, Power Rating 12W, 15W, Output Amps 0.8 to 1.0, 3, Mounting Chassis, Linear, Case Material Metal Case, Height 4 in, Width 10.25 in, Depth 2.5 in, Series Silver Line, Hz 47 to 63 Hz, Phase – Electrical Single, Peak Amps 1.2/1.5 and 1.2, 4.5/1.5, Output Noise Less Than 3mV, Hold Up Time 50 msec