The 18-75C18NT920 from Acopian Technical Company is a DC to DC Converter with Input Voltage 18 to 75 V, Output Voltage 1 18 V, Output Current 1 6.4 to 9.2 A, Output Power 288 W, Isolation Voltage 0.3 kV. Tags: DIN Rail Mount, Buck-Boost. More details for 18-75C18NT920 can be seen below.