Receive a Text Quote
We will send you price and availability shortly
Invalid number. Please call (800) 691-8511
Looking for a fast quote? Click here, and we'll text you.

2-year Warranty

Same Day Shipping

FANUC A20B-3300-0120


1 rating

1 Available

Free Shipping

2 Year warranty

Part NumberA20B-3300-0120
Model #A20B33000120
Warranty2 Year

Our Repair Services

MRO Electric repairs CNCs, PLCs, Servo/Spindle Drives, Motors, Amplifiers, VFDs, HMIs, and more, most of which can be repaired in only 3-5 days.

Repair Benefits

MRO can restore your failed A20B-3300-0120 to remanufactured condition and save you up to 75% compared to buying new. We offer standard repair pricing to ensure you the best value for your repair.

Our certified technicians use rigorous testing procedures to ensure your parts are restored to fully functioning condition. Our team proudly stands behind all repairs by providing a minimum 2-year warranty.

Our technicians have vast experience with most manufacturers and models. In addition to this A20B-3300-0120 we also repair a wide range of other FANUC products, so if you don’t see the model you need, please contact us.

Core Exchange

If you are interested in getting credit for your faulty A20B-3300-0120, just let us know, and we can issue you an RMA to send it in as an exchange. Our exchange program provides you with savings and keeps us stocked for the next time you need anything.

  • Shipping Weight : 1lb

Want it shipped today?

  • Order within the next 6 hours and 34 minutes.
  • If you order between 4pm and 6pm EST, you will be charged a small rush fee.

Ask about exchanging your faulty A20B-3300-0120 for credit when ordering from MRO Electric

MRO Electric provides a 2-year warranty on every item we sell and repair. We stand behind all of our products and guarantee them for the full 2 years. If there is an issue with any of our products within the warranty period, we will evaluate the unit and repair or replace it under warranty.

FANUC A20B-3300-0120 Overview

FANUC A20B-3300-0120: Powering Precision in CNC Control

The FANUC A20B-3300-0120 is a beacon of precision and reliability in computer numerical control (CNC). Serving as the backbone of advanced machining operations, this PCB F16M/T, F16I 4-Axes High-Speed Servo PC Board is engineered to deliver unparalleled performance and efficiency, setting the standard for CNC control systems worldwide.

High-Speed Servo Performance: 

At the core of the FANUC A20B-3300-0120 lies a cutting-edge high-speed servo system designed to meet the demanding requirements of modern machining applications. With its advanced servo algorithms and responsive feedback mechanisms, this PC board ensures precise motion control and rapid axis synchronization, enabling superior surface finishes and tight tolerances in machined parts.

Versatile 4-Axes Configuration: 

The versatility of the FANUC A20B-3300-0120 is exemplified by its 4-axes servo card configuration, catering to a wide range of machining scenarios. Whether milling, turning, grinding, or complex multi-axis operations, this PC board provides the flexibility and scalability to adapt to diverse manufacturing requirements, empowering businesses to tackle various machining tasks easily.

Seamless Integration: 

The FANUC A20B-3300-0120 facilitates seamless integration, thanks to its compatibility with a myriad of CNC systems and machine tools. Whether interfacing with FANUC's own CNC platforms or third-party controllers, this PC board facilitates plug-and-play connectivity, streamlining setup and minimizing downtime during system upgrades or retrofits.

Precision Control Algorithms: 

Precision is paramount in CNC machining, and the FANUC A20B-3300-0120 delivers abundant precision with its advanced control algorithms and motion planning capabilities. From high-speed contouring to intricate toolpath execution, this PC board ensures smooth motion profiles and precise positioning, maximizing productivity and part quality in machining operations.

Robust Construction: 

Built to withstand the harsh demands of industrial environments, the FANUC A20B-3300-0120 features a rugged construction that prioritizes reliability and durability. With robust components and comprehensive thermal management systems, this PC board operates flawlessly in challenging conditions, ensuring uninterrupted performance in critical machining applications.

Enhanced Safety Features: 

Safety is a top priority in CNC machining, and the FANUC A20B-3300-0120 incorporates enhanced safety features to protect operators and equipment. From overcurrent protection to fault detection mechanisms, every aspect of this PC board is designed to mitigate risks and ensure safe operation in the machining environment, fostering a secure working environment for all.

Future-Ready Innovation: 

As CNC technology continues to evolve, the FANUC A20B-3300-0120 remains at the forefront of innovation, constantly evolving to meet the needs of tomorrow's machining applications. With ongoing advancements in servo technology, communication protocols, and software capabilities, this PC board embodies FANUC's commitment to driving progress in CNC control, empowering manufacturers to stay ahead of the curve in a rapidly changing industry landscape.

Frequently Asked Questions

Q: What is the FANUC A20B-3300-0120?

A: The FANUC A20B-3300-0120 is a critical PCB (printed circuit board) component in computer numerical control (CNC) systems. Specifically, it is a high-speed servo PC board designed to control up to four axes in CNC machining operations.

Q: What are the key features of the FANUC A20B-3300-0120?

A: The key features of the FANUC A20B-3300-0120 include its high-speed servo performance, versatile 4-axes configuration, seamless integration with CNC systems and machine tools, precision control algorithms for smooth motion and accurate positioning, robust construction for reliability in industrial environments, enhanced safety features to protect operators and equipment, and future-ready innovation to adapt to evolving machining requirements.

Q: What industries can benefit from using the FANUC A20B-3300-0120?

A: The FANUC A20B-3300-0120 is suitable for industries involved in CNC machining, including automotive manufacturing, aerospace, precision engineering, electronics, and more. Essentially, any industry that relies on high-precision machining processes can benefit from this PCB's capabilities.

Q: How does the FANUC A20B-3300-0120 contribute to CNC machining efficiency?

A: The FANUC A20B-3300-0120 enhances CNC machining efficiency by providing precise control over multiple axes, enabling rapid and accurate machining operations. Its seamless integration with CNC systems and advanced control algorithms optimizes motion profiles and positioning, maximizing productivity and part quality while minimizing downtime.

Q: Is the FANUC A20B-3300-0120 compatible with other CNC components?

A: Yes, the FANUC A20B-3300-0120 is designed to be compatible with a wide range of CNC systems and machine tools, facilitating seamless integration into existing machining setups. It can interface with FANUC's own CNC platforms and third-party controllers, ensuring flexibility and interoperability.

FANUC products are manufactured in Japan and are designed for Commodity production, advanced machining, and CNC milling usage. They come with a 2-year warranty from MRO Electric. We also carry PCBs from other manufacturers such as Siemens and Control Techniques.

Contact Us Today For More Information About FANUC Products

Check out the rest of our FANUC product line. Whether it's using our online instant quote feature, giving us a call at (800) 691-8511, or emailing us at, we strive for customer satisfaction first. This means lower prices and better service for you. For more products like A20B-3300-0120, take a look at more from our PCBs line. If your current unit has gone bad, take advantage of our Core Exchange program for the most inexpensive route. You can learn more about this program on our FAQ page here. We offer a repair service on all of our A20B-3300-0120 products that keep your downtime to a minimum. To stay up to date on manufacturer news, as well as access any of our datasheets, manuals, or other documentation, we suggest you take a look at our blog.

5 stars

4.9 Overall Satisfaction Rating

Over 1700 Ratings from Actual Customers

Read Our Reviews

Very happy with the overall service, delivery, communication and delivery,

Conley Cooke

I needed a special drive, found it, and I was quickly assisted by Joe Kaminski. Everything was exactly as it should be....


We have an older DMU80 CNC Machine and the Handheld Control was damaged beyond repair. MRO was very helpful in confirmin...

Abbey-Purchasing Specialist