The PFE1500-12NDS412 from Bel Fuse is a DC to DC Converter with Input Voltage -40 to -72 V, Output Voltage 1 12 V, Output Current 1 125000 mA, Output Power 1500000 mW, Operating Temperature 0 to 45 Degree C. Tags: Rack Mount, Boost/Step Up. More details for PFE1500-12NDS412 can be seen below.