The 72WS54.150QBR from Calex Manufacturing is a DC to DC Converter with Input Voltage 16 to 160 V, Output Voltage 1 54 V, Output Current 1 2.8 A, Output Power 150 W, Isolation Voltage 4.242 kV. Tags: PCB Mount, Buck-Boost. More details for 72WS54.150QBR can be seen below.