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Most orders ship within 1–2 business days via UPS. Larger equipment ships via freight carrier, and customers can use the shipping estimator on the product page for a location-specific quote. Local pickup is also available at the Fairfield, IL facility, typically ready within 4 hours.

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Fanuc A20B-1003-0120/20A CNC Control Module Assembly

$1,199.99 USD

Sale Sold out

✓ 30-day returns on every item — return policy

ConditionSurplus - Untested MPNA20B-1003-0120/20A Stock #0226-00321

30-day returns on every item. Photos reflect the actual item’s current condition — see our return policy and condition guide.

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⚡ Same-day shipping available — order by 11 am CT ($100 add-on at checkout)

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FANUC A20B-1003-0120/20A R CNC control module assembly identified by PCB marking A20B-1003-0120/20A with revision R. This unit is mounted in a yellow FANUC carrier frame and consists of a primary logic board with integrated circuits, ribbon cable headers, blue multi-pin connectors, and discrete components. A FANUC-branded processor is visible on the main board along with an onboard numeric LED display and membrane push-button interface for diagnostics or parameter interaction.

The assembly includes a secondary board section with a protective translucent cover and mounted relays. PCB silkscreen labeling and connector identifiers are present throughout the board, including clearly marked interface points. The module is designed for installation within compatible FANUC CNC control systems where A20B-1003-0120/20A configuration boards are specified.

This listing is for the exact part number A20B-1003-0120/20A R as marked on the board. All identification details are taken directly from visible manufacturer branding and PCB markings. Suitable for buyers sourcing a replacement FANUC CNC control module matching this specific part number and revision.

Stock # 0226-321

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Frequently Asked Questions

Shipping & Handling

Most orders ship within 1–2 business days via UPS, but expedited same-day handling is available as an add-on to orders in cart. Larger equipment ships via freight carrier. Use the shipping estimator above for a location-specific quote. Local pickup is also available at our Fairfield, IL facility, typically ready within 4 hours.

Returns & Condition

All items are sold as-described based on the photos and condition listed. If an item arrives differing from its description, it may be eligible for return or refund. See our full condition guide for details on our grading terms.

Payment Options

We accept all major credit cards, PayPal, and Shop Pay. Purchase order and wire transfer payment is also available by selecting "Purchase Order / Wire Transfer" at checkout. Payment is due prior to shipment. Contact us for custom terms on established accounts. Tax exemptions are honored if proper documentation is provided.