The 230C55NT300 from Acopian Technical Company is a DC to DC Converter with Input Voltage 230 V, Output Voltage 1 55 V, Output Current 1 2.1 to 3 A, Output Power 288 W, Isolation Voltage 0.3 kV. Tags: DIN Rail Mount, Buck/Step down. More details for 230C55NT300 can be seen below.