The DDR-480D-24 from Mean Well is a DC to DC Converter with Input Voltage 67.2 to 154 V, Output Voltage 1 24 V, Output Current 1 20000 mA, Output Power 480000 mW, Operating Temperature -40 to 80 Degree C. Tags: Buck/Step down. More details for DDR-480D-24 can be seen below.