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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.


Product Description
Is your Allen-Bradley PowerFlex 755TM common bus drive system experiencing faults? These modular systems are designed for high-power, coordinated applications. ROC Industrial offers expert repair services for components within the PowerFlex 755TM drive system. We provide reliable solutions to get your complex drive system operational again, minimizing downtime.
Technical specifications
The Allen-Bradley PowerFlex 755TM drive system utilizes a common DC bus architecture, allowing for energy sharing between multiple inverters and a common bus supply. This system includes various modules such as bus supplies (active or passive), inverters, and optional braking units. Failures can occur in any of these interconnected modules. ROC Industrial offers component-level repair for the individual modules within a PowerFlex 755TM system, including diagnostics and repair of power semiconductors, DC bus components, control logic, and communication interfaces to restore the integrity and performance of the entire coordinated drive system.
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