The UI40-28S5SB 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 5 V, 28 V, DC Output Current 0.72 to 6 A. Tags: Chassis Mount. More details for UI40-28S5SB can be seen below.