Product Description
The Allen-Bradley 20AC072A0NYNACC0 PowerFlex 70 series adjustable frequency AC drive controls 3-phase induction motors with a factory setting of 50 Hz and 400 VAC, adjustable for compatibility with various machines. Its IP20 (NEMA 1) enclosure, ideal for control cabinet mounting, features a removable conduit plate for easy installation and protects internal wiring. Installation requires vertical clearance for ventilation and avoidance of corrosive environments. The drive includes a ControlNet communication module for rapid data exchange and enhanced control I/O, with optional LCD for local management.
Is Your Device Showing These Signs?
The Allen Bradley 20AC072A0NYNACC0 AC drive commonly experiences failures related to the electrolytic capacitors degrading, causing DC bus undervoltage faults and premature aging. IGBT failures are frequent due to overcurrent events, thermal stress, or gate drive circuit malfunctions. The cooling fan's failure leads to overheating and thermal trips, requiring replacement to prevent damage to other components. Communication errors on the Ethernet/IP network arise from corrupted firmware or faulty network interface cards, necessitating firmware reflashing or hardware replacement. Current sensor drift affects motor control accuracy, demanding calibration or replacement of the current sensors.
Technical specifications
The Allen-Bradley 20AC072A0NYNACC0 PowerFlex 70 AC drive controls 3-phase motors, pre-set for 50 Hz/400 VAC but adjustable. It's designed for control cabinet mounting with an IP20 enclosure and removable conduit plate. Installation requires proper ventilation and a non-corrosive environment. It features a ControlNet communication module and optional LCD for local control.
Our Repair Process for the
20AC072A0NYNACC0
Our repair process for the Allen Bradley 20AC072A0NYNACC0 AC drive begins with a comprehensive evaluation to pinpoint the failure. Electrolytic capacitors are inspected and replaced to address DC bus undervoltage faults and prevent premature aging. IGBTs are thoroughly tested; replacements are installed to resolve overcurrent events, thermal stress, or gate drive circuit malfunctions. Cooling fans are inspected and replaced to prevent overheating and thermal trips. Communication errors on the Ethernet/IP network are rectified through firmware reflashing or replacement of faulty network interface cards. Current sensor drift is corrected through calibration or replacement of the current sensors to ensure accurate motor control.
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.

















