Product Description
The Allen-Bradley 20F11ND014AA0NNNNN is a PowerFlex 753 series AC drive designed for applications up to 400 HP (270 kW). This 480V AC drive (460-528V AC) delivers 10 HP and 14A output in normal duty, or 7.5 HP in heavy duty, with full power from three-phase input (50% with single-phase). It features sine-coded PWM control at 4 kHz, programmable output voltage (0 to rated), and a frequency range of 0-590 Hz. Voltage trip points are 576V AC (over) and 300V AC (under) for AC input, and 815V DC (over) and 200V DC (under) for DC bus, with a nominal bus voltage of 648V DC at full load. It lacks an integrated HIM but includes an internal transistor (no resistor). Housed in an IP20 NEMA/UL Type 2 enclosure (16.7 x 5.3 x 8.35 inches, 12 lbs), it operates between 32-122F, requires 50 CFM airflow, and dissipates 230 W of heat.
Is Your Device Showing These Signs?
The Allen Bradley 20F11ND014AA0NNNNN PowerFlex 753 AC drive commonly experiences issues such as IGBT failures necessitating replacement, DC bus capacitor degradation leading to over-voltage faults, and control board malfunctions resulting in communication errors on EtherNet/IP networks. Resolving nuisance tripping requires careful examination of motor parameters and adjustments to acceleration/deceleration rates. Firmware corruption is addressed through a re-flash procedure, while encoder feedback problems demand thorough inspection of wiring and encoder health. Overcurrent faults often stem from motor insulation breakdown or mechanical load issues, requiring motor testing and load analysis.
Technical specifications
The Allen-Bradley 20F11ND014AA0NNNNN is a PowerFlex 753 AC drive for applications up to 400 HP (270 kW). It's a 480V drive delivering 10 HP/14A in normal duty (7.5 HP in heavy duty) with three-phase input (50% single-phase). Key features include sine-coded PWM control, programmable output voltage, a 0-590 Hz frequency range, and specified voltage trip points. It lacks an integrated HIM but has an internal transistor. The IP20 NEMA/UL Type 2 enclosure operates between 32-122F, requires 50 CFM airflow, and dissipates 230 W of heat.
Our Repair Process for the
20F11ND014AA0NNNNN
Our repair process for the Allen Bradley 20F11ND014AA0NNNNN PowerFlex 753 AC drive begins with a comprehensive diagnostic evaluation to pinpoint the root cause of the reported issue. For IGBT failures, we execute a direct replacement with a new, verified component. DC bus capacitor degradation is rectified through capacitor replacement, restoring proper voltage regulation. Control board malfunctions are resolved via component-level repair or complete board replacement, ensuring seamless EtherNet/IP communication. Nuisance tripping is addressed by optimizing motor parameters and adjusting acceleration/deceleration rates. Firmware corruption is corrected through a complete re-flash procedure. Encoder feedback problems necessitate thorough wiring inspection and encoder health verification, with replacement performed as needed. Overcurrent faults trigger motor insulation testing and mechanical load analysis to identify and rectify motor or load-related issues.
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