Product Description
The Allen-Bradley PowerFlex 755 series 20G11BC1K1JN4NNNNN drive is a robust 630 kW AC/DC drive (400VAC/540VDC) with precharge, IP20/NEMA/UL Type 1 enclosure, filtering, and a default common mode capacitor jumper, designed for demanding industrial motor control applications while simplifying design by omitting internal resistors and transistors.
Is Your Device Showing These Signs?
The Allen Bradley 20G11BC1K1JN4NNNNN PowerFlex 755 AC drive commonly experiences issues related to IGBT failures, often indicated by overcurrent faults and requiring module replacement. Capacitor bank degradation is another frequent problem, leading to DC bus undervoltage and necessitating capacitor replacement. Communication errors on the Ethernet/IP network, stemming from corrupted firmware or faulty network interface cards, demand firmware reflashing or NIC replacement. Encoder feedback problems, causing speed instability, require encoder repair or replacement. Overheating issues, resulting from inadequate cooling fan operation or blocked heatsinks, necessitate fan replacement or heatsink cleaning to restore proper thermal management.
Technical specifications
The Allen-Bradley PowerFlex 755 series 20G11BC1K1JN4NNNNN is a powerful 630 kW AC/DC drive (400VAC/540VDC) built for industrial motor control. It features precharge, an IP20/NEMA/UL Type 1 enclosure, filtering, and a common mode capacitor jumper, and simplifies design by excluding internal resistors and transistors.
Our Repair Process for the
20G11BC1K1JN4NNNNN
Our repair process for the Allen Bradley 20G11BC1K1JN4NN4NN PowerFlex 755 AC drive begins with a thorough diagnostic assessment to pinpoint the failure. IGBT failures, indicated by overcurrent faults, require immediate module replacement. Capacitor bank degradation, identified by DC bus undervoltage, demands capacitor replacement. Communication errors on the Ethernet/IP network, resulting from corrupted firmware or faulty network interface cards, necessitate firmware reflashing or NIC replacement. Encoder feedback problems, causing speed instability, require encoder repair or replacement. Overheating issues, stemming from inadequate cooling fan operation or blocked heatsinks, necessitate fan replacement or heatsink cleaning to restore proper thermal management.
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.