The P53-1280 from Polytron Devices is a AC to DC Converter with AC Input Voltage 105 to 125 V, DC Output Voltage ±12 V, 5 V, DC Output Current -0.15 to 1 A, Line Regulation Voltage 0.0002, Load Regulation Voltage 0.001. Tags: Chassis Mount. More details for P53-1280 can be seen below.