FANUC A20B-1004-0221 PCB Board

The FANUC A20B-1004-0221 is a PCB board identified for CNC machine maintenance, retrofit work, and industrial automation support. This board may be used for signal processing, control logic, or board-level replacement within FANUC CNC cabinets. Compatibility can depend on the CNC series, machine-builder configuration, option codes, connector positions, and related assembly details. Key details: - Brand: FANUC - Part number: A20B-1004-0221 - Product type: PCB board - Typical use: CNC maintenance, retrofit, and control cabinet replacement Before ordering, compare the original board label, assembly number, controller model, machine model, connector arrangement, and software or option information where applicable.