Product Description
The Mitsubishi MR-J3-11KT AC servo drive, a 200V class model with 11kW output and 68A rated current, offers high efficiency and adaptability for complex automation. It accepts 200-230Vac 3-phase input, communicates via CC-Link or RS-422, and operates reliably from 0 to +55C with forced ventilation cooling. Its sine wave PWM and current control, combined with built-in positioning functions (point table, indexer), enable precise and versatile control.
Is Your Device Showing These Signs?
The Mitsubishi MR-J3-11KT servo amplifier commonly experiences failures related to overcurrent faults stemming from shorted IGBTs or damaged power modules. Encoder feedback errors, resulting in positioning inaccuracies and drive instability, are frequently addressed by replacing the encoder or resolving wiring issues. Overheating problems, often caused by a malfunctioning cooling fan or obstructed heatsink, demand immediate attention to prevent thermal runaway. Parameter corruption within the amplifier's memory necessitates reprogramming to restore proper functionality. Finally, communication errors on the CC-Link interface are resolved by inspecting cabling, connectors, and the network configuration.
Technical specifications
The Mitsubishi MR-J3-11KT is a high-efficiency 11kW AC servo drive (200V class) with 68A rated current, designed for complex automation. It supports 200-230Vac 3-phase input, CC-Link/RS-422 communication, and operates from 0 to +55C with forced ventilation. It features sine wave PWM, current control, and built-in positioning functions.
Our Repair Process for the
MR-J3-11KT
Our repair process for the Mitsubishi MR-J3-11KT servo amplifier begins with a comprehensive evaluation to pinpoint the failure. Overcurrent faults are addressed by replacing shorted IGBTs or damaged power modules. Encoder feedback errors require encoder replacement or wiring repair to ensure accurate positioning. Overheating issues are resolved by replacing malfunctioning cooling fans or clearing obstructed heatsinks to prevent thermal damage. Parameter corruption necessitates complete reprogramming to restore proper operation. Communication errors on the CC-Link interface are resolved through thorough inspection and repair of cabling, connectors, and network configuration.
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.