The 48S24.4HEW from Calex Manufacturing is a DC to DC Converter with Input Voltage 18 to 75 V, Output Voltage 1 24 V, Output Current 1 4.13 A, Output Power 100 W, Isolation Voltage 0.7 kV. Tags: PCB Mount, Buck-Boost. More details for 48S24.4HEW can be seen below.