SC520M / 3BSE016237R1 English Technical Parameters & Usage Instructions & Precautions Basic Information Manufacturer: ABB Product Type: Enhanced Submodule Carrier Board (AC 800M Series) Part Number Combination: SC520M (Module Assembly), 3BSE016237R1 (Official Factory Part Number) Application: ABB AC800M Controller Rack, DCS distributed control system, high-speed logic processing, data storage and complex algorithm control