top of page
Main Image.png

Allen Bradley 20G11LF765JN0NNNNN

Allen Bradley

Drives

PowerFlex 755

20G11LF765JN0NNNNN

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 20G11LF765JN0NNNNN drive is a highly efficient, adaptable AC input unit supporting up to 690V AC and 932V DC, featuring DC terminals, a precharge circuit for safety, IP20/NEMA/UL Type 1 enclosure (800mm deep, RAL 7032 color), built-in filtering, and a user-friendly common mode capacitor connection, designed for industrial reliability without internal resistors or transistors.

Is Your Device Showing These Signs?

The Allen Bradley 20G11LF765JN0NNNNN PowerFlex 755 AC drive commonly experiences issues such as IGBT failures, DC bus capacitor degradation leading to over-voltage faults, and cooling fan malfunctions causing thermal overload trips. Communication errors on the Ethernet/IP network and control board failures are also frequent problems. Resolving these issues typically involves replacing faulty components, updating firmware, and thoroughly inspecting wiring connections to ensure proper operation and prevent further downtime. Parameter configuration errors and incorrect motor tuning contribute to performance degradation and require recalibration.

Technical specifications

  • The Allen-Bradley PowerFlex 755 20G11LF765JN0NNNNN drive is a robust and adaptable AC input unit for industrial applications, handling up to 690V AC and 932V DC. It features DC terminals, a precharge circuit, an IP20/NEMA/UL Type 1 enclosure, built-in filtering, and a common mode capacitor connection, all designed for reliability without internal resistors or transistors.

Our Repair Process for the

20G11LF765JN0NNNNN

Our repair process for the Allen Bradley 20G11LF765JN0NNNNN PowerFlex 755 AC drive begins with a comprehensive diagnostic evaluation to pinpoint the failure. This evaluation includes a detailed inspection of IGBTs, DC bus capacitors, cooling fans, and control boards. Suspect components are replaced with new, verified parts. Firmware is updated to the latest revision to address known bugs and improve performance. All wiring connections are meticulously inspected and tightened to eliminate potential communication errors and ensure optimal signal integrity. Parameter configurations are reviewed and recalibrated to match the specific motor and application requirements. The drive undergoes rigorous testing under load conditions to confirm proper operation and prevent future failures 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.

bottom of page