Product Description
The Allen-Bradley 20DC260A0NNNANBBE, a PowerFlex 700S adjustable-frequency AC drive from Rockwell Automation, is a robust, 400V, three-phase industrial motor controller rated at 260 amps (normal duty). It features an IP20/NEMA Type 1 enclosure for indoor use, a blank cover (no HMI), no brake, adjustable undervoltage trip, heat sink thermistor monitoring, and ride-thru capabilities of 0.25 seconds (logic) and 15 milliseconds (full load), but lacks documentation.
Is Your Device Showing These Signs?
The Allen Bradley 20DC260A0NNNANBBE AC drive commonly experiences issues related to IGBT failures, capacitor degradation within the DC bus, and encoder feedback malfunctions. Over time, electrolytic capacitors degrade, leading to DC bus undervoltage faults and drive trips. IGBT failures are often caused by overcurrent events or thermal stress, necessitating replacement of the power module. Encoder issues manifest as speed instability or positioning errors, requiring encoder repair or replacement and careful attention to wiring integrity and signal calibration. Resolve these problems through component-level repairs, parameter adjustments, and rigorous testing to ensure optimal drive performance.
Technical specifications
The Allen-Bradley 20DC260A0NNNANBBE is a heavy-duty 260-amp PowerFlex 700S AC drive for 400V, three-phase industrial motors. It's designed for indoor use (IP20/NEMA Type 1), has no HMI or brake, adjustable undervoltage trip, heat sink monitoring, and limited ride-thru capabilities. Notably, it lacks documentation.
Our Repair Process for the
20DC260A0NNNANBBE
Our repair process for the Allen Bradley 20DC260A0NNNANBBE AC drive begins with a comprehensive evaluation to pinpoint IGBT failures, capacitor degradation, or encoder feedback malfunctions. Technicians address capacitor degradation by replacing faulty electrolytic capacitors within the DC bus, which eliminates DC bus undervoltage faults and drive trips. IGBT failures, stemming from overcurrent events or thermal stress, are resolved through complete power module replacement. Encoder issues, identified by speed instability or positioning errors, are corrected via encoder repair or replacement, with meticulous verification of wiring integrity and signal calibration. The repair concludes with component-level adjustments, parameter optimization, and rigorous testing to guarantee optimal drive performance.
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.

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.

















