Product Description
The Allen-Bradley 20DD500A3ENNBDGNE is a durable 480V, 500-amp AC drive designed for three-phase industrial applications, featuring an IP20/NEMA Type 1 enclosure, user-friendly LCD interface, undervoltage and overtemperature protection, and ride-thru capabilities for brief power interruptions, making it a dependable choice for precise motor control.
Is Your Device Showing These Signs?
The Allen Bradley 20DD500A3ENNBDGNE commonly requires repair due to issues stemming from IGBT failures, capacitor degradation within the DC bus, and resolver feedback malfunctions. Overcurrent faults and ground faults are frequent indicators of internal component damage. Communication errors on the EtherNet/IP network and power supply failures also necessitate repair. Addressing these issues restores optimal performance and prevents further system downtime.
Technical specifications
The Allen-Bradley 20DD500A3ENNBDGNE is a robust 480V, 500A AC drive for three-phase industrial use. It offers IP20/NEMA Type 1 protection, an LCD interface, undervoltage/overtemperature safeguards, and ride-thru functionality for short power losses, ensuring reliable motor control.
Our Repair Process for the
20DD500A3ENNBDGNE
Our repair process for the Allen Bradley 20DD500A3ENNBDGNE begins with a comprehensive diagnostic evaluation to pinpoint the root cause of the malfunction, focusing on common failure points such as IGBT failures, DC bus capacitor degradation, and resolver feedback malfunctions. Suspected overcurrent or ground faults trigger immediate inspection of internal components for damage. Communication errors on the EtherNet/IP network prompt a thorough assessment of network connectivity and communication modules. Power supply failures initiate a detailed analysis of power circuitry and component integrity. Upon identifying the specific fault, we proceed with component-level repairs or replacements using only qualified parts, followed by rigorous testing under simulated operating conditions to ensure complete functionality and prevent future system downtime.
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.
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