FANUC A20B-8100-0403 PCB Board

The FANUC A20B-8100-0403 is a FANUC PCB board identified by part number A20B-8100-0403. It is used in CNC machine maintenance, retrofit work, and industrial automation support where a board-level replacement or service component is required. The board may support signal processing and control logic within a FANUC CNC cabinet, depending on the machine configuration. The exact application should be confirmed from the original board label, CNC system information, connector layout, and applicable option configuration. Key details - Brand: FANUC - Part number: A20B-8100-0403 - Product type: PCB board / control board - Category: FANUC PCB / Control Board Before ordering, compare the part number and assembly details with the installed board. Compatibility can depend on the CNC series, machine builder configuration, software version, and option codes.