The 18-75C9NT1440 from Acopian Technical Company is a DC to DC Converter with Input Voltage 18 to 75 V, Output Voltage 1 9 V, Output Current 1 10 to 14.4 A, Output Power 288 W, Isolation Voltage 0.3 kV. Tags: DIN Rail Mount, Buck/Step down. More details for 18-75C9NT1440 can be seen below.