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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-0008-0540/01A I/O Interface Board

$329.00 USD

Sale Sold out

ConditionSurplus - Untested MPNA20B-0008-0540/01A Stock #0226-00366

Photos reflect current condition. Items differing from description may be eligible for return or refund — see our condition guide.

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Estimated package weight: 5.0 lbs

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Fanuc Ltd PCB I/O board, part number A20B-0008-0540/01A, revision 01A. Made in Japan. This is the input/output interface board for the Fanuc CNC Series 6A and 6B control systems. Per manufacturer specifications sourced from active market listings and CNC-Shopping documentation, the A20B-0008-0540 provides 96 inputs and 64 outputs, and is confirmed compatible as a replacement for the earlier board A20B-0007-0040. The board is populated with HD74LS174P octal D-type flip-flop ICs and a Texas Instruments SN74LS174N logic IC, consistent with the standard A20B-0008-0540/01A assembly. Board designation F is silkscreened on the PCB. Connector positions CI4 and CI5 are labeled on the board edge. This board is used in Fanuc System 6M and 6T CNC controls installed on a broad range of machine tools including machining centers, lathes, and milling machines. The A20B-0008-054x series is a well-documented legacy Fanuc component with ongoing demand as a spare and direct replacement part for facilities maintaining Series 6 equipped CNC machines in the field.

Stock # 0226-366

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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.