The DuraComm RMSL-348 low power rack mount power supply converts AC power to DC power. This power rectifier uses 88-264 VAC input to produce a 48 54 VDC output. The 3 A continuous power supply features short circuit, overload, over voltage, and over temperature protection. The DuraComm low power rack mount power supply is only 1 rack units (1.75 in) highmaking it an ideal solution for space-constrained set ups. This listing is for Each. AC Input Voltage 110 V, 220 V Item Width 19 in Maximum Intermittent Amperage 3 A Power Cord Included No DC Output Voltage Range 48-56 V AC Input Voltage Range 176-264 V, 88-132 V Qty/ Uom 1 Each Item Height 1.75 in Nominal DC Output Voltage 48 V Crowbar Protection Yes Maximum Continuous Amperage 3 A