The TEQ 300-4816WIR from Traco Power is a DC to DC Converter with Input Voltage 18 to 75 V, Output Voltage 1 28 V, Output Current 1 10.8 A, Output Power 300 W, Isolation Voltage 1.5 to 3 kV. Tags: Chassis Mount, Buck-Boost. More details for TEQ 300-4816WIR can be seen below.