The 0RQB-E0S11B from Bel Fuse is a DC to DC Converter with Input Voltage 48 to 60 V, Output Voltage 1 10.8 V, Output Current 1 74000 mA, Output Power 800000 mW, Operating Temperature -40 to 85 Degree C. Tags: Through Hole, Buck/Step down. More details for 0RQB-E0S11B can be seen below.