The PET750-12-050RD from Bel Fuse is a DC to DC Converter with Input Voltage -40 to -72 V, Output Voltage 1 12 V, Output Current 1 62000 mA, Output Power 750000 mW, Operating Temperature 0 to 50 Degree C. Tags: Rack Mount, Boost/Step Up. More details for PET750-12-050RD can be seen below.