The DDR-480C-12 from Mean Well is a DC to DC Converter with Input Voltage 33.6 to 67.2 V, Output Voltage 1 12 V, Output Current 1 33400 mA, Output Power 400800 mW, Operating Temperature -40 to 80 Degree C. Tags: Buck/Step down. More details for DDR-480C-12 can be seen below.