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Product Description
The Allen-Bradley 20AD027A3NYNADNN is a PowerFlex 70 family adjustable frequency AC drive designed for simplicity and reliability in demanding industrial environments. This 20 HP, 450 VAC, 27 Amp, 3-phase drive features a D Frame body, panel mounting, and a NEMA/UL Type 1/IP20 enclosure. It includes an IGBT brake (but no braking resistor), a full numeric LCD human-machine interface for easy programming and troubleshooting, and DeviceNet communication protocol. While compliant with CE EMC directive (89/336/EEC) and global standards, it lacks a safe-off feature and a feedback mechanism. It's compatible with Allen-Bradley peripheral communication adapters.
Is Your Device Showing These Signs?
The Allen Bradley 20AD027A3NYNADNN PowerFlex 753 AC drive commonly experiences issues related to IGBT failures, often indicated by fault codes and requiring module replacement. Capacitor degradation within the DC bus section leads to voltage fluctuations and drive trips, necessitating capacitor bank replacement. Encoder feedback problems, stemming from faulty encoder cables or resolver issues, cause speed instability and control errors, demanding cable inspection and encoder repair or replacement. Communication faults on the EtherNet/IP network, due to configuration errors or hardware malfunctions, disrupt network connectivity and require parameter verification and potential communication card replacement. Overcurrent faults, triggered by motor insulation breakdown or excessive load, necessitate motor testing and load analysis to prevent drive damage.
Technical specifications
The Allen-Bradley 20AD027A3NYNADNN is a robust and user-friendly 20 HP PowerFlex 70 AC drive intended for industrial use. It's a 450 VAC, 27 Amp, 3-phase drive with a D Frame, designed for panel mounting and features a NEMA/UL Type 1/IP20 enclosure. It includes an IGBT brake, a numeric LCD HMI, and DeviceNet communication, but lacks a braking resistor, safe-off functionality, and feedback. It complies with CE EMC directives and is compatible with Allen-Bradley communication adapters.
Our Repair Process for the
20AD027A3NYNADNN
Our repair process for the Allen Bradley 20AD027A3NYNADNN PowerFlex 753 AC drive begins with a comprehensive fault code analysis to identify IGBT failures, requiring immediate module replacement. We then address capacitor degradation within the DC bus section by performing a complete capacitor bank replacement to eliminate voltage fluctuations and drive trips. Encoder feedback problems are resolved through meticulous cable inspection and encoder repair or replacement to correct speed instability and control errors. Communication faults on the EtherNet/IP network are rectified by verifying parameter configurations and replacing the communication card, if necessary, to restore network connectivity. Finally, overcurrent faults are mitigated by conducting thorough motor testing and load analysis to identify and eliminate motor insulation breakdowns or excessive loads, preventing further drive damage.
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