Product Description
The Allen-Bradley 20DD385A3ENNBNBNE is a robust, 480V three-phase AC drive designed for indoor industrial applications, delivering up to 385 amps for normal-duty tasks. It features an IP20/NEMA Type 1 enclosure, a user-friendly numeric LCD, adjustable bus undervoltage trip, and microprocessor-controlled heat sink thermistor for overtemperature protection. While lacking a braking system, it offers 0.25-second logic control ride-thru and 15-millisecond power ride-thru at full load for reliable performance.
Is Your Device Showing These Signs?
The Allen Bradley 20DD385A3ENNBNBNE commonly experiences failures in the gate driver circuitry, resulting in IGBT malfunctions and overcurrent faults. Capacitor degradation within the DC bus section leads to undervoltage errors and erratic drive performance. Communication issues arise from corrupted firmware or damaged Ethernet ports, preventing PLC connectivity and parameter configuration. Encoder feedback problems, stemming from faulty encoder cables or resolver boards, cause speed regulation errors and positioning inaccuracies. Overheating due to inadequate heatsink contact or failed cooling fans triggers thermal overloads and premature component wear.
Technical specifications
The Allen-Bradley 20DD385A3ENNBNBNE is a durable 480V, 3-phase AC drive for indoor industrial use, providing up to 385 amps for standard operations. It has an IP20/NEMA Type 1 enclosure, a numeric LCD, adjustable undervoltage trip, and heat sink thermistor for overtemperature protection. It lacks a braking system but offers short ride-thru capabilities for both logic control and power loss.
Our Repair Process for the
20DD385A3ENNBNBNE
Our repair process for the Allen Bradley 20DD385A3ENNBNBNE drive begins with a comprehensive evaluation to pinpoint the root cause of failure, focusing on common issues such as gate driver circuitry malfunctions, IGBT failures, and overcurrent faults. We meticulously inspect the DC bus section for capacitor degradation, addressing undervoltage errors and erratic drive performance through component replacement. Communication issues are resolved by either reflashing corrupted firmware or repairing/replacing damaged Ethernet ports to restore PLC connectivity and parameter configuration. Encoder feedback problems are rectified by repairing or replacing faulty encoder cables or resolver boards, ensuring accurate speed regulation and positioning. Overheating issues are addressed by improving heatsink contact and replacing failed cooling fans to prevent thermal overloads and premature component wear.
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