Product Description
The Allen-Bradley 20DC125A0NYNANNNN is a robust and reliable 400V AC, three-phase adjustable frequency drive, capable of handling up to 125 amps in normal duty applications. Its IP20/NEMA Type 1 enclosure protects against dust and light contact, while features like an IGBT brake, adjustable undervoltage trip, and microprocessor-monitored heat sink thermistor ensure safe and efficient operation, including brief ride-thru capabilities during power interruptions.
Is Your Device Showing These Signs?
The Allen Bradley 20DC125A0NYNANNNN AC drive commonly experiences issues such as overvoltage faults stemming from regenerative energy, requiring dynamic braking resistor adjustments or implementation. Communication failures on the EtherNet/IP network demand inspection of cabling, IP address configurations, and network switch functionality. Overcurrent trips necessitate evaluation of motor insulation, drive parameters, and load characteristics to prevent damage. Firmware corruption can occur, mandating a firmware update or re-flash procedure. Component failures within the power module, such as IGBT or capacitor degradation, result in drive malfunction and require component replacement.
Technical specifications
The Allen-Bradley 20DC125A0NYNANNNN is a durable 400V AC, three-phase variable frequency drive designed for normal duty applications up to 125 amps. It features an IP20/NEMA Type 1 enclosure for basic protection and includes safety features like an IGBT brake, adjustable undervoltage trip, and heat sink thermistor monitoring, offering brief power interruption ride-thru.
Our Repair Process for the
20DC125A0NYNANNNN
Our repair process for the Allen Bradley 20DC125A0NYNANNNN AC drive begins with a comprehensive diagnostic evaluation to pinpoint the fault. Overvoltage faults are addressed through dynamic braking resistor adjustments or implementation. Communication failures on the EtherNet/IP network require a thorough inspection of cabling, IP address configurations, and network switch functionality. Overcurrent trips necessitate a detailed evaluation of motor insulation, drive parameters, and load characteristics. Firmware corruption is resolved through a firmware update or re-flash procedure. Component failures within the power module, such as IGBT or capacitor degradation, demand component replacement to restore the drive to full operational status.
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.

















