The EC4BU-48S15 from Cincon Electronics is a DC to DC Converter with Input Voltage 36 to 75 V, Output Voltage 1 15 V, Output Current 1 666 mA, Output Power 10000 mW, Isolation Voltage 1500 V. Tags: Through Hole, Buck/Step down. More details for EC4BU-48S15 can be seen below.