The DDR-120C-48 from Mean Well is a DC to DC Converter with Input Voltage 33.6 to 67.2 V, Output Voltage 1 48 V, Output Current 1 2500 mA, Output Power 120000 mW, Operating Temperature -40 to 70 Degree C. Tags: Buck/Step down. More details for DDR-120C-48 can be seen below.