The ATOWG-12S2820 from Automation Technologies Online is a DC to DC Converter with Input Voltage 12 V, Output Voltage 1 28 V, Output Current 1 20 A, Output Power 560 W, Operating Temperature -40 to 80 Degree C. Tags: Chassis Mount, Boost/Step Up. More details for ATOWG-12S2820 can be seen below.