The UI450-28SB from Polytron Devices is a AC to DC Converter with AC Input Voltage 85 to 264 V, AC Input Current 2400 to 5800 mA, DC Input Voltage 120 to 370 V, DC Output Voltage 28 V, DC Output Current 11.4 to 16.1 A. Tags: Chassis Mount. More details for UI450-28SB can be seen below.