The NPT42-M from Artesyn Embedded Power is a AC to DC Converter with AC Input Voltage 90 to 264 V, DC Input Voltage 127 to 300 V, DC Output Voltage -12 to 12 V, DC Output Current 0.5 to 9 A, DC Output Power 45 to 55 W. Tags: Chassis Mount. More details for NPT42-M can be seen below.