The TSD-50C-05 from Technology Dynamics is a DC to DC Converter with Input Voltage 36 to 72 V, Output Voltage 1 5 V, Output Current 1 10 A, Output Power 50 W, Operating Temperature 0 to 55 Degree C. Tags: Rack mount, Buck/Step down. More details for TSD-50C-05 can be seen below.