Product Description
The Allen-Bradley PowerFlex 70 series 20AC072A0NYNANN0 is a 50 HP variable frequency drive (VFD) designed for industrial AC motor control. Operating on a 3-phase power supply with a 72 Amp current draw, this E-framed, IP20-rated drive offers adjustable frequency for speed and torque regulation. It features an IGBT braking system (without a braking resistor), no communication adapter, and a blank front panel. It lacks a feedback encoder but includes inertia ride-through for uninterrupted operation during power outages with high-inertia loads. The drive supports three parameter sets for different processes, utilizes FORCE Technology with vector control for precise performance, and withstands line transients up to 1500V. It offers a 15ms power ride-thru and a 0.5s logic control ride-thru, tolerates vibrations of 0.152mm displacement and shocks up to 15g, and is suitable for environments with 5-95% non-condensing humidity. The NEMA/UL Type 1 enclosure is panel-mounted and not water-resistant.
Is Your Device Showing These Signs?
The Allen Bradley 20AC072A0NYNANN0 PowerFlex 753 AC drive commonly experiences issues related to IGBT failures, capacitor degradation leading to DC bus undervoltage faults, and encoder feedback problems causing erratic motor control. Overcurrent trips are frequent due to improper motor tuning or insulation breakdown. Communication faults on the Ethernet/IP network and firmware corruption necessitate troubleshooting and potential replacement of control boards or power modules. Resolve nuisance tripping through proper grounding and noise filtering techniques.
Technical specifications
The Allen-Bradley PowerFlex 70 20AC072A0NYNANN0 is a 50 HP, 72 Amp, 3-phase VFD for industrial AC motor control. It's an E-framed, IP20-rated drive with adjustable frequency, IGBT braking (no resistor), no communication adapter, and a blank front panel. It lacks an encoder but has inertia ride-through. Key features include three parameter sets, FORCE Technology with vector control, 1500V transient tolerance, 15ms power and 0.5s logic ride-thru, and resistance to vibration and shock. It's designed for panel mounting in NEMA/UL Type 1 environments with non-condensing humidity.
Our Repair Process for the
20AC072A0NYNANN0
Our repair process for the Allen Bradley 20AC072A0NYNANN0 PowerFlex 753 AC drive begins with a comprehensive diagnostic evaluation to pinpoint the root cause of the reported issue, focusing on common failure points such as IGBTs, DC bus capacitors, and encoder feedback systems. Technicians address overcurrent trips by thoroughly inspecting motor tuning parameters and insulation integrity. Communication faults on the Ethernet/IP network and firmware corruption are resolved through systematic troubleshooting, which includes control board or power module replacement, if required. Nuisance tripping is mitigated through meticulous grounding verification and the implementation of appropriate noise filtering techniques. The repair concludes with rigorous testing under load conditions to ensure the drive operates within specified parameters and meets performance standards 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.
Buying Options
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Ships from Rochester, NY