The PTCPDC-12-34 from Technology Dynamics is a DC to DC Converter with Input Voltage 22 to 32 V, Output Voltage 1 12 V, Output Current 1 34 A, Output Power 400 W, Operating Temperature -20 to 50 Degree C. Tags: Rack mount, Buck/Step down. More details for PTCPDC-12-34 can be seen below.