The PT-4503 from Mean Well is a AC to DC Converter with AC Input Voltage 90 to 264 V, AC Input Current 700 to 1200 mA, DC Input Voltage 127 to 370 V, DC Output Voltage 3.3 to 12 V, DC Output Current 1 to 4 A. Tags: Chassis Mount. More details for PT-4503 can be seen below.