The P33-12/MHIA from Polytron Devices is a AC to DC Converter with AC Input Voltage 105 to 125 V, DC Output Voltage ±12 V, DC Output Current -0.1 to 0.1 A, Line Regulation Voltage 0.001, Load Regulation Voltage 0.001. Tags: Chassis Mount. More details for P33-12/MHIA can be seen below.