The SDM30-48S12 from Mean Well is a DC to DC Converter with Input Voltage 36 to 72 V, Output Voltage 1 12 V, Output Current 1 2500 mA, Output Power 30000 mW, Operating Temperature -25 to 85 Degree C. Tags: Through Hole, Buck/Step down. More details for SDM30-48S12 can be seen below.