FANUC A20B-1000-0770 PSU

  • Metal Power supply unit built-in I/P unit
  • Exchange in stock. $925.00 USD
  • 24 hour repair turnaround

12 month warranty, same day ship

SKU: A20B-1000-0770 Category:



Fanuc A20B-1000-0770 Power Supply Unit. PSU for GE FANUC series 15 based control series. The Fanuc A20B-1000-0770 is designed to bring power to digital Fanuc computer numerical controls (e.g. lathes, EDMs, machining centers, etc.). In all cases, they are used on large configurations of Fanuc 15A, 15-TF, 15-TTF, 15-MF controllers.

It’s made specifically for large GE Fanuc 15 control systems, which are used on limited number of CNC machine tools in machining industries. The Fanuc A20B-1000-0770 is more powerful to its smaller sibling and is designed to ensure the 15 control has continuous access to electricity and can be easily turned on or off.

Benefits of ordering Fanuc A20B-1000-0770 from CNC?

CNC West offer extensive services for this 15 power supply. Including stock of exchange of refurb PSU’s with 12 month warranty. Alternatively we also offer a 24 hour repair turnaround on these power supply units; if testing is required. Fanuc itself has been the one of the more successful manufacturer of CNC & FA parts for more than 50 years. Their products are trusted by numerous business owners allowing Fanuc too become the largest CNC and FA manufacturer in the world. This product uses a seperate I/P unit and is one of Fanuc’s very last power supply units not to have an input power unit integrated.

The Fanuc A20B-1000-0770 is designed to make it easy to integrate automation into your manufacturing facilities. Furthermore, the device is lightweight at only 3 pound. This product whether repaired, exchange or sold on an outright basis carries a one year warranty so if you have any problems, you’ll be able to get it repaired or replaced if problems occur within one year of purchase.

Our shipping, repair, testing policies: A20B-1000-0770

If you ever need to get this product repaired, we’ll fix it within 24 hours or less. This is not considered a rush or urgent service. Our repair services are also covered by the product’s one-year warranty. If you order this product from us before 3.30PM and its in stock; then we should be able to ship same day. Similar to our ability to repair, we also offer testing of this type of PSU. Check our Fanuc alarm pages for known issues.


The Fanuc A20B-1000-0770 is very popular PSU and used within machine tools all over the world. Order an exchange from us and get your GE Fanuc 15 back up and running back by our 12 month warranty. This type of control system is commonly used in manufacturing facilities that use CNC machines and robotics, and the device is used in numerous industries.

Interested in learning more? Contact us if you wish to discuss options for surplus, exchange or repair of your A20B-1000-0770 at (619) 477-9011 or by email at sales@cnc-electronics.net. We’d be happy to answer your questions and give you a free copy of our 2020 catalog!

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