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Product Description
The Mitsubishi MELSERVO MR-S series MRS133Z33 is a 1 kW AC servo motor designed for high-performance applications, operating at 200-230 V AC and 5.0 A. It achieves speeds up to 3000 RPM, delivering 2.3 Nm of torque with precise control via an encoder feedback mechanism. Its lightweight 6 kg design and flange mount simplify installation, while fan-assisted cooling and overload protection ensure reliable operation between 0C and 40C, and storage between -20C and 85C.
Is Your Device Showing These Signs?
The Mitsubishi MRS133Z33 commonly fails due to capacitor degradation, causing power supply instability and operational faults. Technicians address this by replacing electrolytic capacitors on the PCB, focusing on the primary and secondary sides of the power supply. Rectifier diodes and PWM controllers also experience failures, leading to complete system shutdown. Firmware corruption is another issue, requiring reprogramming of the EEPROM or flash memory. Overheating due to inadequate thermal management causes component stress, necessitating improved heat sink application and fan replacement to ensure proper thermal dissipation.
Technical specifications
The Mitsubishi MELSERVO MR-S series MRS133Z33 is a 1 kW AC servo motor (200-230 V AC, 5.0 A) reaching 3000 RPM and 2.3 Nm torque. It features encoder feedback, a 6 kg lightweight design, flange mount, fan cooling, overload protection, and operates between 0C-40C (storage: -20C-85C).
Our Repair Process for the
MRS133Z33
Our repair process for the Mitsubishi MRS133Z33 begins with a thorough diagnosis to pinpoint the failure. Technicians replace all electrolytic capacitors on the PCB, paying close attention to the primary and secondary sides of the power supply. Rectifier diodes and PWM controllers are inspected and replaced if found to be faulty. Firmware is verified and reprogrammed if corruption is detected in the EEPROM or flash memory. The thermal management system is assessed, with heat sink compound reapplied and fans replaced to guarantee effective thermal dissipation and prevent future overheating issues.
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
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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