.jpg)
| Part Number | A20B-2101-0390 |
| Manufacturer | FANUC |
| Type | Power Supplies |
| Model # | A20B21010390 |
| Warranty | 2 Year |
| Display | 7- segment LED |
| Noise filter | On board |
| Series type | Alpha I |
| Board type | Printed circuit (power supply) |
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.
MRO can restore your failed A20B-2101-0390 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-2101-0390 we also repair a wide range of other FANUC products, so if you don’t see the model you need, please contact us.
If you are interested in getting credit for your faulty A20B-2101-0390, 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.
Want it shipped today?
Ask about exchanging your faulty A20B-2101-0390 for credit when ordering from MRO Electric
The FANUC A20B-2101-0390 power supply board is critical in various CNC applications, ensuring stable power delivery for seamless operations. Manufactured by FANUC, a renowned name in industrial automation, this power supply board exemplifies reliability and performance.
The A20B-2101-0390 boasts a 7-segment LED display, providing clear visual feedback for monitoring system status and diagnostics. Equipped with an onboard noise filter, it ensures clean and stable power output, which is essential for precision machining operations.
This power supply board features a meticulously designed printed circuit board (PCB) for power supply applications. Including a noise filter directly on the board enhances efficiency and reduces electromagnetic interference, maintaining signal integrity and system reliability.
Part of the Alpha I series, the A20B-2101-0390 power supply board seamlessly integrates into CNC systems, delivering consistent performance across various applications. Its model number, A20B21010390, signifies its unique identity within the FANUC product lineup.
This power supply board is designed for CNC (Computer Numerical Control) systems and serves various industrial applications, from precision milling to complex machining tasks. Its robust design and compatibility make it suitable for diverse manufacturing environments.
FANUC's reputation for quality and reliability is embodied in the A20B-2101-0390 power supply board. With stringent quality control measures and durable components, it ensures uninterrupted operation even in demanding production environments.
Installing the A20B-2101-0390 power supply board is straightforward, thanks to its standardized design and compatibility with various CNC systems. Integration into existing setups is hassle-free, minimizing downtime and optimizing productivity.
The onboard noise filter ensures clean power delivery and contributes to overall system efficiency. Reducing electromagnetic interference enhances the performance of connected components, leading to smoother operation and higher productivity.
Q: What is the FANUC A20B-2101-0390 power supply board used for? A: The A20B-2101-0390 power supply board is primarily used in CNC (Computer Numerical Control) systems to ensure stable and clean power delivery, which is essential for precision machining operations.
Q: What are the key features of the A20B-2101-0390 power supply board? A: Some key features include a 7-segment LED display for system monitoring, an onboard noise filter for clean power output, and a printed circuit board (PCB) designed specifically for power supply applications.
Q: Is the A20B-2101-0390 power supply board compatible with other CNC systems? A: Yes, the A20B-2101-0390 is part of the Alpha I series, designed to seamlessly integrate into various CNC systems, ensuring compatibility and consistent performance across different applications.
Q: How does the onboard noise filter benefit CNC operations? A: The onboard noise filter reduces electromagnetic interference, delivering clean power to connected components. This enhances system stability, reduces the risk of signal degradation, and contributes to overall operational efficiency.
Q: What is the installation process like for the A20B-2101-0390 power supply board? A: Thanks to its standardized design and compatibility with various CNC systems, installing the board is straightforward. It typically involves connecting power cables and securing the board within the system enclosure.
Q: Is the A20B-2101-0390 power supply board durable and reliable? A: FANUC is renowned for manufacturing high-quality industrial automation components, and the A20B-2101-0390 power supply board is no exception. With durable components and stringent quality control measures, it offers reliability even in demanding production environments.
Q: Can the A20B-2101-0390 power supply board be upgraded or expanded? A: While the board itself is not designed for user upgrades or expansions, its compatibility with evolving CNC technologies ensures that it can continue supporting future manufacturing process advancements.
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 sales@mroelectric.com, we strive for customer satisfaction first. This means lower prices and better service for you. For more products like A20B-2101-0390, take a look at more from our Power Supplies 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-2101-0390 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.
Very happy with the overall service, delivery, communication and delivery,
Conley CookeI needed a special drive, found it, and I was quickly assisted by Joe Kaminski. Everything was exactly as it should be....
JackWe have an older DMU80 CNC Machine and the Handheld Control was damaged beyond repair. MRO was very helpful in confirmin...
Abbey-Purchasing Specialist
© copyright 2025
