Product Description
The Allen-Bradley 20BD125A3ANNARA0 is a 100 HP, 125 Amp AC drive from the PowerFlex 700 series, designed for 480VAC 3-phase systems. Utilizing advanced microprocessor technology and integrated vector control, it efficiently controls 3-phase motor speed and torque, saving energy and improving automation. Its sophisticated filters minimize the impact of harmonics and voltage disturbances, while internal components reduce motor heating and prevent insulation damage. The drive features user-friendly HMI controls, surge suppression for overvoltage and short circuit protection, and relies on a stable input voltage to prevent overvoltage situations.
Is Your Device Showing These Signs?
The Allen Bradley 20BD125A3ANNARA0 PowerFlex 755 AC drive commonly experiences issues such as IGBT failures, capacitor degradation leading to DC bus instability, and fan malfunctions causing overheating. Communication faults on the Ethernet/IP network and control board failures are also frequent problems. Resolving these issues involves replacing faulty components, updating firmware to address software glitches, and ensuring proper drive parameter configuration for optimal motor control and performance. Regular preventative maintenance, including thermal management and component inspection, is crucial for extending the lifespan of the VFD.
Technical specifications
The Allen-Bradley 20BD125A3ANNARA0 is a 100 HP, 125 Amp PowerFlex 700 AC drive for 480VAC 3-phase systems. It uses vector control to efficiently manage motor speed and torque, saving energy. It also features filters to reduce harmonics and voltage disturbances, internal components to protect the motor, user-friendly controls, and surge suppression for overvoltage and short circuit protection. Stable input voltage is crucial for preventing overvoltage.
Our Repair Process for the
20BD125A3ANNARA0
Our repair process for the Allen Bradley 20BD125A3ANNARA0 PowerFlex 755 AC drive begins with a comprehensive diagnostic evaluation to pinpoint the failure. This includes a thorough inspection of IGBTs, capacitors, cooling fans, and control boards, alongside a detailed analysis of communication network performance. Upon identifying the faulty component, we proceed with its replacement using only verified, high-quality parts. Firmware is updated to the latest revision to eliminate software-related issues and enhance performance. Drive parameters are meticulously configured to meet specific motor and application requirements, ensuring optimal control and efficiency. Finally, the repaired drive undergoes rigorous testing under load to confirm its proper functionality and reliability 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.
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