The NTDC-3000H-12 from Technology Dynamics is a DC to DC Converter with Input Voltage 72 to 144 V, Output Voltage 1 12 V, Output Current 1 180 A, Output Power 3000 W, Operating Temperature -20 to 50 Degree C. Tags: Rack mount, Buck/Step down. More details for NTDC-3000H-12 can be seen below.