FANUC A04B-0813-C420 I/O Module

The FANUC A04B-0813-C420 is an I/O Module used in CNC machine maintenance, retrofit work, and industrial automation support. It supports input and output signal processing between a CNC controller, machine panel, and connected field devices. Compatibility can depend on the CNC series, machine-builder configuration, option code, board revision, and related controller hardware. Key details: - Brand: FANUC - Part number: A04B-0813-C420 - SKU: A04B-0813-C420 - Product type: I/O Module - Category: FANUC I/O Module Before ordering, compare the original part label and confirm the controller model, machine model, I/O configuration, and board revision. This module may be used for replacement, maintenance inventory, or CNC retrofit support where the corresponding FANUC configuration has been verified.