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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
The Allen-Bradley 20G24NC477JA0NNNNN PowerFlex 755TS drive is a variable frequency motor controller designed for 400VAC/540VDC input. It delivers 477A and 270kW output at 400VAC/50Hz. Featuring forced-air cooling, standard corrosive gas protection, DC input with precharge, filtering, a CM connection jumper cap, and optional internal transistor support, this Size 7 drive has an open (IP00) enclosure for efficient heat dissipation, allowing operation up to 50C (122F). It is best suited for clean, non-hazardous environments to maximize lifespan and does not include an HMI.
Technical specifications
The Allen-Bradley 20G24NC477JA0NNNNN PowerFlex 755TS is a 400VAC/540VDC input variable frequency drive (VFD) outputting 477A and 270kW. This Size 7 drive features forced-air cooling, corrosive gas protection, DC input capabilities, and an open (IP00) enclosure for operation up to 50C. It's designed for clean environments and lacks an HMI.
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