Product Description
The Allen-Bradley 20AD014C3AYNANNN AC adjustable frequency drive, designed for use with various induction and electromechanical motors, acts as an interface between a PLC and the motor, controlling speed and torque to minimize machine wear. Operating at 480VAC and 50-60Hz (derated for single-phase applications), this drive features an IP66/NEMA 4X/12 enclosure protecting it from particles, though it's vulnerable to corrosive substances. Optimal performance and longevity are achieved within a 5-50C temperature range and 5-95% relative humidity, ultimately extending the lifespan of connected motors by reducing stress.
Is Your Device Showing These Signs?
The Allen Bradley 20AD014C3AYNANNN AC drive commonly experiences failures related to the electrolytic capacitors degrading over time, causing DC bus undervoltage faults and nuisance tripping. IGBT failures are a frequent occurrence due to thermal stress or overcurrent events, leading to drive malfunction and potential damage to connected motors. Communication errors on the Ethernet/IP network arise from firmware corruption or faulty network interface cards, disrupting control and monitoring capabilities. Current sensor drift affects accurate motor control and protection, necessitating calibration or replacement. Fan failures cause overheating and premature component degradation, requiring immediate attention to prevent catastrophic drive failure.
Technical specifications
The Allen-Bradley 20AD014C3AYNANNN AC drive controls motor speed and torque to reduce wear, acting as a PLC interface. It operates at 480VAC, 50-60Hz, and is protected by an IP66/NEMA 4X/12 enclosure, but is susceptible to corrosion. Optimal performance requires a 5-50C temperature and 5-95% humidity, ultimately extending motor lifespan.
Our Repair Process for the
20AD014C3AYNANNN
Our repair process for the Allen Bradley 20AD014C3AYNANNN AC drive begins with a comprehensive evaluation to pinpoint the failure. Electrolytic capacitors are tested for degradation and replaced to prevent DC bus undervoltage faults. IGBTs are inspected for thermal stress or overcurrent damage and replaced to ensure proper motor control. The Ethernet/IP communication is verified, and firmware is updated or the network interface card is replaced to resolve communication errors. Current sensors are calibrated or replaced to maintain accurate motor control and protection. Cooling fans are inspected and replaced to prevent overheating and component degradation. Following component replacement, the drive undergoes rigorous testing under load to verify functionality and reliability before being 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.
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