The 9-18AB24A250 from Acopian Technical Company is a DC to DC Converter with Input Voltage 9 to 18 V, Output Voltage 1 24 V, Output Current 1 1 to 2.5 A, Isolation Voltage 0.5 kV, Operating Temperature -20 to 71 Degree C. Tags: Chassis Mount, Boost/Step Up. More details for 9-18AB24A250 can be seen below.