FANUC A02B-0072-B501 Main Circuit Board Assembly

FANUC A02B-0072-B501 main circuit board assembly, also cataloged as A16B-1010-0040 16E, is the primary motherboard used in Fanuc control electronics. As the main circuit board assembly, it functions as the central hub for processing and interconnectivity within a Fanuc system, consolidating essential control circuitry onto a single board. The dual part numbers reflect the same hardware across different catalogs and revisions, helping technicians identify and source the correct replacement when maintaining or repairing Fanuc equipment. This board is described in its title as a main circuit board assembly or motherboard, underscoring its role as the core component that ties together adjacent modules and subsystems in compatible Fanuc installations. When sourcing this part, reference both A02B-0072-B501 and A16B-1010-0040 16E to ensure correct identification in catalogs, inventory, and service documentation. Cross-referencing these numbers aids technicians in locating the right main board for Fanuc systems that require this design.