The CHB50W-48S48 from Cincon Electronics is a DC to DC Converter with Input Voltage 18 to 75 V, Output Voltage 1 48 V, Output Current 1 1040 mA, Output Power 33000 to 50000 mW, Isolation Voltage 1500 V. Tags: Through Hole, Buck-Boost. More details for CHB50W-48S48 can be seen below.