The ATOWG-12S2840 from Automation Technologies Online is a DC to DC Converter with Input Voltage 12 V, Output Voltage 1 28 V, Output Current 1 40 A, Output Power 1120 W, Operating Temperature -30 to 80 Degree C. Tags: Chassis Mount, Boost/Step Up. More details for ATOWG-12S2840 can be seen below.