Product Description
The Allen Bradley 20BD156A3AYNACD0 PowerFlex 700 is a space-saving, digitally controlled VFD designed for precise 3-phase induction motor control, from simple speed adjustments to demanding torque applications. Housed in a NEMA/UL 1 enclosure supporting conventional and "Zero Stacking" mounting, this 480VAC drive (432-528VAC input range) delivers 125HP with a 156A nominal current and 200kA circuit protection. It features comprehensive protection against faults, auto-sensing BUS voltage regulation, "Flying Start" for rotating motors, and Inertia Ride-Through for power outages. Offering sensorless vector control (SVC) and FOC with Force Technology, it achieves 0.1% speed control over a 120:1 range with slip compensation. An internal dynamic brake transistor, CE standard EMC filter, IP20 enclosure, 0-50C operating range, 158-pound weight, and 33.50 x 15.90 x 10.85-inch dimensions complete its specifications.
Is Your Device Showing These Signs?
The Allen Bradley 20BD156A3AYNACD0 PowerFlex 755 AC drive commonly experiences issues such as IGBT failures, capacitor degradation leading to DC bus instability, and encoder feedback malfunctions causing erratic motor control. Communication faults on the EtherNet/IP network are frequent, stemming from firmware corruption or hardware damage to the communication module. Overcurrent trips and nuisance tripping are traced to incorrect motor parameter settings or insulation breakdown in the motor windings. Resolving these problems involves replacing faulty components, updating firmware, verifying network configurations, and performing thorough motor testing and parameter adjustments.
Technical specifications
The Allen Bradley 20BD156A3AYNACD0 PowerFlex 700 is a compact 125HP, 156A VFD for 480VAC 3-phase induction motors. It offers precise control via SVC and FOC, comprehensive protection features, and mounting flexibility. Key features include a dynamic brake transistor, EMC filter, wide operating temperature, and compact dimensions.
Our Repair Process for the
20BD156A3AYNACD0
Our repair process for the Allen Bradley 20BD156A3AYNACD0 PowerFlex 755 AC drive begins with a comprehensive diagnostic evaluation to pinpoint the root cause of the failure, whether it be IGBT failures, capacitor degradation, encoder feedback malfunctions, communication faults, or overcurrent trips. The identified faulty components are replaced with new, high-quality parts. Firmware is updated to the latest stable version to resolve communication issues and improve drive performance. Network configurations are verified to ensure seamless EtherNet/IP communication. Motor testing, including insulation resistance checks, is conducted to rule out motor-related problems. Motor parameters are adjusted based on the motor nameplate data to prevent nuisance tripping and optimize drive performance.
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