The TEP 100-4818-CM from Traco Power is a DC to DC Converter with Input Voltage 36 to 75 V, Output Voltage 1 48 V, Output Current 1 2.1 A, Output Power 100 W, Isolation Voltage 1.6 to 3 kV. Tags: Chassis Mount, Buck-Boost. More details for TEP 100-4818-CM can be seen below.