Same-day processing, overnight shipping available! (Order by 5pm ET, M-F)
2-4 WEEKS LEAD TIME
24
24 MONTH REPAIR WARRANTY
ISO CERTIFIED QUALITY
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-3300-0190 is a robust and essential printed circuit board assembly integral to the operational integrity of Fanuc CNC systems. This meticulously engineered module provides critical functionality, encompassing axis control, servo amplification, and vital communication pathways within the machine tool environment. Its design ensures precise and reliable performance, contributing directly to enhanced machining accuracy and overall system stability. The A20B-3300-0190 undergoes rigorous testing and quality assurance protocols to guarantee seamless integration and dependable operation within compatible Fanuc control systems. It is a core component for maintaining optimal CNC machine performance and minimizing downtime, representing a sound investment for manufacturers seeking to uphold productivity and precision in their machining processes. This board is a key element for sustaining efficient and accurate CNC operations.
Technical specifications
The Fanuc A20B-3300-0190 is a robust and reliable main printed circuit board (PCB) engineered for seamless integration within Fanuc CNC systems. This essential component serves as the central processing unit, orchestrating the intricate communication and control functions necessary for precise machine operation. It manages axis control, program execution, input/output signal processing, and overall system coordination, ensuring optimal performance and accuracy. The A20B-3300-0190 is built with high-quality components and undergoes rigorous testing to guarantee durability and longevity in demanding industrial environments. It is designed for straightforward installation and configuration, minimizing downtime and maximizing productivity. This PCB is a critical element for maintaining the stability and efficiency of your Fanuc CNC machine, providing a dependable foundation for complex machining tasks. It supports a wide range of functionalities, including advanced interpolation algorithms, real-time data processing, and comprehensive diagnostic capabilities, enabling users to achieve superior machining results. The A20B-3300-0190 is a vital investment for ensuring the continued operational excellence of your Fanuc CNC system.
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