The UI40-12S33SB from Polytron Devices is a AC to DC Converter with AC Input Voltage 85 to 264 V, AC Input Current 550 to 1050 mA, DC Input Voltage 120 to 370 V, DC Output Voltage 3.3 V, 12 V, DC Output Current 2.1 to 6 A. Tags: Chassis Mount. More details for UI40-12S33SB can be seen below.