The XTDRDC-1000-48 from Technology Dynamics is a DC to DC Converter with Input Voltage 125 to 350 V, Output Voltage 1 48 V, Output Current 1 21 A, Output Power 1000 W, Operating Temperature -20 to 50 Degree C. Tags: Rack mount, Buck/Step down. More details for XTDRDC-1000-48 can be seen below.