The KUI30-28SB from Polytron Devices is a AC to DC Converter with AC Input Voltage 85 to 264 V, AC Input Current 400 to 800 mA, DC Input Voltage 120 to 370 V, DC Output Voltage 28 V, DC Output Current 1.08 A. Tags: DIN Rail Mount. More details for KUI30-28SB can be seen below.