The KUI30-121SB 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 12 V, DC Output Current 2.5 A. Tags: DIN Rail Mount. More details for KUI30-121SB can be seen below.