A20B-3300-0638 FANUC Axis A2 PC Board

The A20B-3300-0638 is a FANUC PC board, commonly described as an Axis A2 board. It is used in FANUC CNC control and axis-related systems to support machine control, axis communication, and stable CNC equipment operation.

This model has been discontinued by the manufacturer and is noted as being replaced by A20B-3300-0768. Correct board number confirmation, replacement model checking, machine configuration verification, and professional testing are important before purchase.

Worldwide Shipping & REACO CNC Service

• Worldwide Shipping: We can ship worldwide by DHL, UPS, FedEx, or other available logistics channels.
• Fast Handling: In-stock items can usually be shipped within 1-2 working days after payment.
• 100% Tested Before Delivery: Each qualified product is tested before shipment. A test video can be sent before delivery when required.
• REACO Warranty: New or refurbished products usually include a 1-year warranty, and used 90% new products usually include a 3-month warranty.
• Free Technical Support: Our team can help with basic model confirmation, replacement guidance, and after-sales support.

Product Information

Product Application

The FANUC A20B-3300-0638 PC board is mainly used in FANUC CNC machine control systems. As an Axis A2 board, it is suitable for CNC PCB replacement, axis-related control repair, industrial equipment maintenance, and FANUC CNC system servicing.

If your original PC board is faulty, damaged, causing axis-related alarms, communication issues, or unstable machine operation, this model may be considered as a replacement after confirming the full board number, CNC system model, machine configuration, and replacement board compatibility.

Replacement Model Confirmation

The A20B-3300-0638 is noted as being replaced by A20B-3300-0768. However, before using a replacement board, it is still important to confirm the original board number, board version, CNC system, machine configuration, and connector layout.

If you are not sure whether A20B-3300-0638 or A20B-3300-0768 is suitable for your machine, please send photos of the original board label, connector side, CNC system model, machine information, and alarm details. REACO CNC can help check the details before purchase.

Quality Control and Testing

For discontinued FANUC PC boards, testing is very important before shipment because the board condition can directly affect CNC communication, axis control, machine startup, and production stability. REACO CNC checks qualified products carefully and can provide real product photos or a test video before delivery when required.

Our goal is to help customers receive reliable CNC spare parts with clear product information, careful inspection, responsive after-sales support, and practical technical assistance.

Compatibility Confirmation

Before ordering, please confirm that the full board number on your original PCB is A20B-3300-0638. Similar FANUC PC boards may have different versions, connector layouts, machine compatibility, or replacement requirements.

If you are not sure whether this FANUC Axis A2 PC board is suitable for your machine, please send us photos of the old board label, connector side photos, CNC system model, machine model, and alarm information. REACO CNC can help check the details before purchase.