The PSB243-9IRG from Bel Fuse is a DC to DC Converter with Input Voltage 31 to 144 V, Output Voltage 1 24 V, Output Current 1 3000 mA, Output Power 72000 mW, Operating Temperature -40 to 71 Degree C. Tags: Chassis Mount, Buck/Step down. More details for PSB243-9IRG can be seen below.