The CM1301-9ERG from Bel Fuse is a DC to DC Converter with Input Voltage 28 to 140 V, Output Voltage 1 12 V, Output Current 1 4000 mA, Output Power 48000 mW, Operating Temperature -40 to 71 Degree C. Tags: Chassis Mount, Buck/Step down. More details for CM1301-9ERG can be seen below.