Product Description
The Allen-Bradley PowerFlex 700 drive, model 20BD156A3ANNAEN0, is a high-performance AC drive designed for 3-phase induction motors, offering efficient (up to 97.5%) and reliable speed control with a high displacement power factor (up to 0.98). Rated for 480VAC, 156 output amps, and 125 horsepower, it supports load sharing via droop control and features a user-friendly LCD keypad interface. Its IP20 enclosure allows for easy control cabinet or surface panel mounting, and it includes built-in EMC filtering (CE compliant) and comprehensive motor protection features (overload, undervoltage, overvoltage, overcurrent, short circuit, over temperature, and ground fault). An optional EtherNet/IP module enables network communication, and it typically doesn't require isolation transformers or line reactors when used with stable power sources.
Is Your Device Showing These Signs?
The Allen Bradley 20BD156A3ANNAEN0 PowerFlex 755 AC drive commonly experiences issues related to IGBT failures, often indicated by fault codes. Resolving this requires IGBT replacement and thorough heat sink inspection. Capacitor bank degradation is another frequent problem, leading to DC bus undervoltage faults; capacitor replacement is mandatory. Communication errors on the Ethernet/IP network, stemming from corrupted firmware or faulty network interface cards, demand firmware reflashing or NIC replacement. Overcurrent trips are frequently traced to motor insulation breakdown or incorrect drive parameters, necessitating motor testing and parameter adjustments. Cooling fan failures cause overheating, triggering thermal overload faults, and require immediate fan replacement to prevent damage.
Technical specifications
The Allen-Bradley PowerFlex 700 (20BD156A3ANNAEN0) is a high-performance 480VAC AC drive for 3-phase induction motors, rated at 156 amps and 125 horsepower. It offers efficient speed control (up to 97.5%) with a high power factor (up to 0.98), load sharing via droop control, and a user-friendly LCD keypad. It features an IP20 enclosure for easy mounting, built-in EMC filtering (CE compliant), comprehensive motor protection, and optional EtherNet/IP communication. It generally doesn't require isolation transformers or line reactors with stable power.
Our Repair Process for the
20BD156A3ANNAEN0
Our repair process for the Allen Bradley 20BD156A3ANNAEN0 PowerFlex 755 AC drive begins with diagnosing IGBT failures, indicated by fault codes, which necessitates IGBT replacement and a complete heat sink inspection. Capacitor bank degradation, identified by DC bus undervoltage faults, requires immediate capacitor replacement. Communication errors on the Ethernet/IP network, due to corrupted firmware or faulty network interface cards, demand firmware reflashing or NIC replacement. Overcurrent trips are resolved through motor insulation testing and drive parameter adjustments. Cooling fan failures, causing thermal overload faults, are addressed with immediate fan replacement.
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