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Your Guarantee: Warranty & Lifetime Support
Your satisfaction is our top priority, and we confidently stand behind the quality of our repairs. That's why every repair service is covered by our comprehensive 24-month warranty. Furthermore, we offer lifetime phone support – if you have questions or need assistance related to our repair down the road, we're here to help. Our service commitment is straightforward: we guarantee our work, and if you're not satisfied, we will make it right. Learn More about our Repair process.
Comprehensive Repairs You Can Depend On
We take immense pride in the quality and reliability of our work. Our process goes beyond simply fixing the immediate problem. We perform a comprehensive inspection of your main board (or other equipment) and proactively replace components known to be failure-prone or showing signs of potential future failure. Before any item is returned, it undergoes rigorous functional testing to ensure it meets performance specifications and operates flawlessly. Visit our main Repair Services page to learn more.
Save Significantly
Our primary goal is to save you hundreds, or even thousands, of dollars compared to the cost of new equipment replacement. By repairing existing components, we provide an economical solution that is also eco-friendly. At Roc Industrial, our commitment to integrity and community drives our consistent growth and ensures you receive a reliable, cost-effective solution.


Product Description
The Fanuc A20B-0003-0751 is a robust and reliable printed circuit board designed for seamless integration within Fanuc CNC systems. This board provides essential functionality for machine tool operation, encompassing axis control, feedback processing, and communication management. It is engineered to withstand demanding industrial environments, ensuring consistent performance and minimal downtime. The A20B-0003-0751 undergoes rigorous testing and quality control measures to guarantee adherence to stringent industry standards. Its durable construction and advanced circuitry contribute to extended operational lifespan and reduced maintenance requirements. This board is a critical component for maintaining the precision and efficiency of your Fanuc-controlled machinery. It is a direct replacement, ensuring compatibility and simplified installation.
Technical specifications
The Fanuc A20B-0003-0751 is a robust and reliable printed circuit board designed for integration within Fanuc CNC systems, specifically engineered to manage and distribute power throughout the machine tool. This board features a comprehensive array of connectors and components meticulously arranged to facilitate seamless communication and control between various system elements, including servo amplifiers, spindle drives, and input/output modules. Its durable construction and high-quality components ensure stable and consistent performance, minimizing downtime and maximizing productivity in demanding industrial environments. The A20B-0003-0751 is essential for maintaining the operational integrity of Fanuc CNC machines, providing a critical link in the overall control architecture and contributing to the precision and efficiency of automated manufacturing processes. It is designed to withstand the rigors of industrial use, ensuring long-term reliability and optimal system performance.
Please Note: Roc Industrial operates as an independent service provider and is not an authorized distributor for the manufacturers or brands mentioned. Consequently, the original manufacturer's warranty is not applicable to items repaired or sold by us. Roc Industrial provides its own 2-year warranty on all repair services performed.
Buying Options
To receive a quote within 2 hours, please provide us with the details of your requirements. Our team will promptly review your request and send you a custom offer.

Ships from Rochester, NY