The TSC 1220 from Traco Power is a DC to DC Converter with Input Voltage 18 to 36 V, Output Voltage 1 5 V, Output Current 1 25 A, Output Power 40 to 2500 W, Isolation Voltage 1 to 3 kV. Tags: Rack Mount, Buck/Step down. More details for TSC 1220 can be seen below.