A20B-1005-0421 exchange = 344 €

In stock. Call to order – can ship today.

Order online, or call us to ship today

  • 180 day warranty on refurb parts, repairs.

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Fanuc A20B-1005-0421

Power supply in stock. Exchange is available to buy today; call us on the number above. The A20B-1005-0421 is a board based PSU which is bolted on to the I/O card to combine and become the I/O PSU. This power supply is not interchangable with any of the other board mount PSU’s due to different power ratings, connectors and other considerations. Manufactured to power the sereis 21 control systems with 2-slot backplane / systems.

Similar to other Fanuc power supply units the A20B-1005-0421 on failure can burnout making it effectively none repairable.

A20B10050421 ships from Neuhausen, Germany

For the occasion we don’t have stock or are awaiting parts for repairs; we do carry refurbished A20B-1005-0421 power supplies. These are fixed by us where we have fully refurbished the units replacing all the common components that fail on these units as well the fault. These PSU’s are only supplied in emmergencies if no stock of our replacements which are sold cheaper than other independent repair shops offering refurbed A20B10050421.


Usually available to ship same day on exchange orders fully tested with warranty. If unsure if your PSU is indeed faulty then ship your power unit in for test, inspection.

Interested in learning more? Contact us if you wish to discuss options for exchange, repair or testing of your A20-1005-0421 module at +49 (0) 7158 984130 or by email at sales@cncpart.eu. We’d be happy to answer your questions!

The Series 21 PSU is always in group stock and normally in stock in Germany.