The TEP 150-4818WI from Traco Power is a DC to DC Converter with Input Voltage 18 to 75 V, Output Voltage 1 48 V, Output Current 1 3.2 A, Output Power 150 W, Isolation Voltage 1.6 to 2.25 kV. Tags: Chassis Mount, Buck-Boost. More details for TEP 150-4818WI can be seen below.