Product Description
The Allen-Bradley 20G1AGB104JA0NNNNN, part of the PowerFlex 755 series, is a versatile 240V AC / 325V DC AC drive with precharge, IP54 (NEMA/UL Type 12) enclosure, filtering, a preinstalled common mode capacitor jumper, and an internal transistor, but lacks DC terminals and internal resistors, designed for easy installation in diverse industrial applications.
Is Your Device Showing These Signs?
The Allen Bradley 20G1AGB104JA0NNNNN PowerFlex 755 AC drive commonly experiences issues such as IGBT failures, capacitor degradation leading to DC bus undervoltage faults, and encoder feedback problems causing speed regulation errors. Communication faults on the Ethernet/IP network and control board failures impacting drive operation are frequent. Overcurrent trips resulting from motor insulation breakdown or excessive load demands require immediate attention. Firmware corruption during upgrades can brick the drive, necessitating a reflash. Cooling fan malfunctions cause overheating and premature component failure, demanding proactive replacement.
Technical specifications
The Allen-Bradley 20G1AGB104JA0NNNNN PowerFlex 755 AC drive is a 240V AC / 325V DC unit featuring precharge, IP54 enclosure, filtering, a common mode capacitor jumper, and an internal transistor. It is designed for easy installation but lacks DC terminals and internal resistors.
Our Repair Process for the
20G1AGB104JA0NNNNN
Our repair process for the Allen Bradley 20G1AGB104JA0NNNNN PowerFlex 755 AC drive begins with a comprehensive diagnostic evaluation to pinpoint the failure. This includes a thorough inspection of IGBTs, capacitors, encoder feedback systems, and control boards. We address communication faults on the Ethernet/IP network and resolve overcurrent trips by identifying motor insulation issues or load problems. Firmware corruption is rectified through reflashing procedures, and cooling fan malfunctions are corrected with immediate replacement. Capacitor degradation is resolved by replacing the capacitors. Each repair concludes with rigorous testing under load conditions to ensure optimal performance and reliability before the drive 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