The TEP 150-4816WI from Traco Power is a DC to DC Converter with Input Voltage 18 to 75 V, Output Voltage 1 28 V, Output Current 1 5.4 A, Output Power 150 W, Isolation Voltage 1.6 to 2.25 kV. Tags: Chassis Mount, Buck-Boost. More details for TEP 150-4816WI can be seen below.