The P51-15 from Polytron Devices is a AC to DC Converter with AC Input Voltage 105 to 125 V, DC Output Voltage ±15 V, 5 V, DC Output Current -0.05 to 0.25 A, Line Regulation Voltage 0.0002, Load Regulation Voltage 0.001. Tags: Chassis Mount. More details for P51-15 can be seen below.