Product Description
The Allen-Bradley 20AC011A0AYNADNN is a 7.5 HP PowerFlex 70 AC drive designed for 400 VAC input, delivering 7.5 HP (5.5 kW) at 480 VAC (50 Hz) with a continuous output of 11.5 Amps. It handles short-term overloads of 17.4 Amps for 3 seconds and 13 Amps for 1 minute. Operating within 0-50C is crucial to avoid derating, as is operation below 1000 meters altitude. Features include standard control, a DeviceNet slot, and a brake IGBT (external brake resistor kit 20AD-DB1-C required). A drive-mounted HMI is optional. The IP20 NEMA/UL Type 1 enclosure (300.0 x 185.0 x 179.8 mm, 6.8 kg) requires vertical panel mounting with 76.2 mm clearance above and below.
Is Your Device Showing These Signs?
The Allen Bradley 20AC011A0AYNADNN PowerFlex 753 AC drive commonly experiences issues such as IGBT failures, capacitor degradation leading to DC bus undervoltage faults, and encoder feedback problems causing erratic motor control. Communication errors on the EtherNet/IP network, often due to corrupted firmware or faulty network interface cards, require troubleshooting and potential firmware reflashing. Overcurrent trips, stemming from improper motor tuning or insulation breakdown in the motor windings, necessitate careful parameter adjustments and motor testing. Cooling fan malfunctions result in overheating and premature component failure; fan replacement is essential for maintaining thermal management.
Technical specifications
The Allen-Bradley 20AC011A0AYNADNN is a 7.5 HP PowerFlex 70 AC drive for 400 VAC input, outputting 7.5 HP at 480 VAC. It has a continuous output of 11.5 Amps and handles short-term overloads. It requires specific operating conditions (0-50C, below 1000m) to avoid derating. It features standard control, a DeviceNet slot, and a brake IGBT (requiring an external resistor). It has an optional HMI and an IP20 NEMA/UL Type 1 enclosure that needs vertical panel mounting with specific clearance.
Our Repair Process for the
20AC011A0AYNADNN
Our repair process for the Allen Bradley 20AC011A0AYNADNN PowerFlex 753 AC drive begins with a comprehensive diagnostic evaluation to pinpoint the root cause of the failure, addressing common issues such as IGBT failures, capacitor degradation, encoder feedback problems, communication errors, overcurrent trips, and cooling fan malfunctions. Technicians replace faulty IGBTs and degraded capacitors to resolve DC bus undervoltage faults. Encoder feedback systems undergo thorough testing and repair to ensure accurate motor control. Firmware is reflashed and network interface cards are replaced to rectify EtherNet/IP communication errors. Motor parameters are adjusted and insulation testing is performed to eliminate overcurrent trips. Defective cooling fans are replaced to prevent overheating and maintain optimal thermal management. The drive undergoes rigorous testing under load conditions to verify complete functionality before it is returned.
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.

















