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Allen Bradley 20BD077A0NNNADD1

Allen Bradley

Drives

PowerFlex 700

20BD077A0NNNADD1

ISO 9001:2015 Certified Quality

Our certified process ensures consistent quality and reliable repairs every time.

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2-Year Repair Warranty

We stand behind our repairs with an extensive 2-year warranty on parts and labor for your peace of mind.

Fast Turnaround Time

Our efficient process and large parts inventory help minimize your operational downtime.

Expert Component-Level Repair

We find and replace individual failed components, offering a more affordable and effective repair than full replacement.

Free, No-Obligation Quote

Send us your item for a free evaluation and receive a detailed repair quote with no commitment required.

Product Description

The Allen-Bradley 20BD077A0NNNADD1 is a 60 HP PowerFlex 700 AC drive designed for 480VAC, 3-phase input (47-63 Hz, 342-528VAC range). It features over/undervoltage protection (tripping at 570VAC/233VAC), a 60 HP/77A output, DeviceNet slot, encoder feedback, CE filter, common mode choke, 115VAC I/O, and vector control. It lacks a built-in HMI (optional modules available: 20-HIM-A3, 20-HIM-A6, 20-HIM-C65), brake IGBT, and brake resistor. Weighing 54 lbs, its IP20 enclosure (758mm H x 220mm W x 201mm D) requires vertical mounting with 101mm vertical clearance and operates between 32-122F.

Is Your Device Showing These Signs?

The Allen Bradley 20BD077A0NNNADD1 commonly experiences issues related to IGBT failures, often indicated by overcurrent faults and drive trips. Resolving communication errors on the EtherNet/IP network requires firmware updates and parameter verification. Power supply failures within the drive cause operational disruptions, necessitating component-level repairs or power board replacements. Encoder feedback problems lead to inaccurate motor control, demanding encoder replacement or wiring inspection. Parameter corruption in the drive's memory results in unpredictable behavior, requiring a factory reset and parameter reconfiguration.

Technical specifications

  • The Allen-Bradley 20BD077A0NNNADD1 is a 60 HP PowerFlex 700 AC drive for 480VAC, 3-phase power. It offers over/undervoltage protection, 77A output, DeviceNet, encoder feedback, CE filter, common mode choke, 115VAC I/O, and vector control. It doesn't include a built-in HMI, brake IGBT, or brake resistor. It's IP20 rated, weighs 54 lbs, and requires vertical mounting with specific clearance and operating temperature.

Our Repair Process for the

20BD077A0NNNADD1

Our repair process for the Allen Bradley 20BD077A0NNNADD1 begins with a comprehensive diagnostic evaluation to pinpoint the fault. Suspected IGBT failures, indicated by overcurrent faults and drive trips, undergo rigorous testing and are replaced with verified components. Communication errors on the EtherNet/IP network are addressed through mandatory firmware updates and meticulous parameter verification. Power supply failures necessitate component-level repairs or complete power board replacements, ensuring stable operation. Encoder feedback problems are resolved through encoder replacement or thorough wiring inspection. Parameter corruption requires a complete factory reset followed by precise parameter reconfiguration, restoring the drive to its original operational state.

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.

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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.

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Ships from Rochester, NY

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