The MBC550-1T12 from Bel Fuse is a AC to DC Converter with AC Input Voltage 90 to 264 V, AC Input Current 3000 to 6000 mA, DC Input Voltage 390 V, DC Output Voltage 12 V, DC Output Current 9.17 to 41.67 A. Tags: Chassis Mount. More details for MBC550-1T12 can be seen below.