top of page
Main Image.png

Allen Bradley 20G11LC1K2JN2NNNNN

Allen Bradley

Drives

PowerFlex 755

20G11LC1K2JN2NNNNN

ISO 9001:2015 Certified Quality

Our certified process ensures consistent quality and reliable repairs every time.

2-Year Repair Warranty

We stand behind our repairs with an extensive 2-year warranty on parts and labor for your peace of mind.

Fast Turnaround Time

Our efficient process and large parts inventory help minimize your operational downtime.

Expert Component-Level Repair

We find and replace individual failed components, offering a more affordable and effective repair than full replacement.

Free, No-Obligation Quote

Send us your item for a free evaluation and receive a detailed repair quote with no commitment required.

Product Description

The Allen-Bradley PowerFlex 755 series drive, model 20G11LC1K2JN2NNNNN, handles both AC (400V) and DC (540V) input, delivering up to 250 kW/300 HP with a 265A current rating. Its IP20/NEMA/UL Type 1 enclosure (800mm deep, RAL 7032 color) fits frame sizes 1-5 and 8-10, and features filtering, a default common mode capacitor jumper, and a design without internal resistors or transistors for simplified operation.

Is Your Device Showing These Signs?

The Allen Bradley 20G11LC1K2JN2NNNNN PowerFlex 755 AC drive commonly experiences issues related to IGBT failures, often indicated by fault codes and stemming from thermal stress or overcurrent events. Capacitor degradation within the DC bus is another frequent problem, leading to voltage instability and drive malfunction. Communication errors on the EtherNet/IP network, due to configuration mismatches or hardware faults in the communication module, require troubleshooting. Parameter corruption within the drive's memory necessitates reprogramming and can arise from power surges or improper handling. Cooling fan failures cause overheating, triggering thermal overload faults and potentially damaging internal components.

Technical specifications

  • The Allen-Bradley PowerFlex 755 drive (model 20G11LC1K2JN2NNNNN) accepts AC (400V) and DC (540V) input, providing up to 250 kW/300 HP with a 265A current rating. It has an IP20/NEMA/UL Type 1 enclosure (800mm deep, RAL 7032 color) suitable for frame sizes 1-5 and 8-10, and includes filtering, a common mode capacitor jumper, and a design without internal resistors or transistors.

Our Repair Process for the

20G11LC1K2JN2NNNNN

Our repair process for the Allen Bradley 20G11LC1K2JN2NNNNN PowerFlex 755 AC drive begins with a comprehensive diagnostic evaluation to pinpoint the root cause of the failure, focusing on common issues such as IGBT failures, capacitor degradation, communication errors, parameter corruption, and cooling fan malfunctions. Upon identifying the problem, we proceed with component-level repairs, which includes replacing faulty IGBTs, capacitors, communication modules, or cooling fans with genuine Allen Bradley parts. Parameter corruption necessitates a complete reprogramming of the drive's memory using the correct configuration files. Rigorous testing under load conditions follows all repairs to ensure the drive meets original performance specifications and reliability standards. The final step involves a thorough cleaning and inspection before the drive is returned, guaranteeing a fully functional and dependable unit.

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.

bottom of page