The KUIO15-33SB from Polytron Devices is a AC to DC Converter with AC Input Voltage 85 to 264 V, AC Input Current 300 to 450 mA, DC Input Voltage 120 to 370 V, DC Output Voltage 3.3 V, DC Output Current 4000 A. Tags: Open Frame. More details for KUIO15-33SB can be seen below.