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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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MRO Exchange accepts all major credit cards, PayPal, and Shop Pay. Purchase order and wire transfer payment is also available, with payment due prior to shipment. Custom terms are available for established accounts.

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Fanuc A20B-2002-0520/04A Operator Panel I/O Board

$109.99 USD

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✓ 30-day returns on every item — return policy

ConditionSurplus - Untested MPNA20B-2002-0520/04A Stock #0226-00713

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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Used in Fanuc i-series CNC systems including the 0i, 15i, 16i, 18i, 20i, and 21i, the A20B-2002-0520 is a 48/32-way operator panel I/O PCB that provides input and output interfacing between the machine operator panel and the CNC controller. The revision level on this unit is /04A, as stamped on the board edge silkscreen. The board designation ME-1 is visible on the PCB silkscreen. This version of the board includes the MPG (manual pulse generator) connector, distinguishing it from the A20B-2002-0521 variant which omits that feature. The MPG interface allows connection of a hand-wheel pulse generator for manual axis positioning. Connectors labeled RCM1 through RCM12 are visible along the left side of the board, providing the I/O connection points to the operator panel wiring. A Fanuc-branded sub-module is present in the lower right section of the board. The unit carries the CE mark and was manufactured in Japan, as indicated by the PCB silkscreen text. Part number A20B-2002-0520 is the OEM Fanuc designation used consistently across active industrial surplus and CNC spare parts markets in the US.

Stock # 0226-713

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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.