The CFB600-48S12 from Cincon Electronics is a DC to DC Converter with Input Voltage 36 to 75 V, Output Voltage 1 12 V, Output Current 1 50000 mA, Output Power 600000 to 700000 mW, Isolation Voltage 1500 V. Tags: Through Hole, Buck/Step down. More details for CFB600-48S12 can be seen below.