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Product Description
The MR-J3-40B1, a 0.4 kW AC servo amplifier in the MELSERVO MR-J3 series, uses sine-wave PWM current control for precise servo motor operation, requiring 100 VAC single-phase power. Designed for controlled environments (IP00, 0-55C), it features SSCNET III compatibility and complies with CE, UL, and RoHS standards for seamless integration and regulatory adherence in automation applications.
Is Your Device Showing These Signs?
The Mitsubishi MR-J3-40B1 servo amplifier commonly experiences issues such as overcurrent faults stemming from shorted motor windings or damaged power transistors. Drive failure is frequent due to capacitor degradation on the main circuit board, resulting in undervoltage errors. Communication errors arise from faulty CN1 connectors or corrupted firmware. Overheating problems are caused by inadequate cooling fan operation or blocked heat sinks. Resolve these issues through component-level repairs, firmware reflashing, or complete drive replacement.
Technical specifications
The MR-J3-40B1 is a 0.4 kW AC servo amplifier using sine-wave PWM for precise motor control, requiring 100 VAC. It's designed for controlled environments, features SSCNET III, and complies with CE, UL, and RoHS standards.
Our Repair Process for the
MR-J3-40B1
Our repair process for the Mitsubishi MR-J3-40B1 servo amplifier begins with a comprehensive diagnostic evaluation to pinpoint the root cause of the failure, whether it be overcurrent faults, drive failure, communication errors, or overheating problems. Technicians meticulously inspect motor windings, power transistors, capacitors, CN1 connectors, and cooling systems. Component-level repairs are performed, including replacing faulty capacitors, transistors, connectors, and fans. Firmware is reflashed to correct communication errors and ensure optimal performance. In cases of extensive damage, a complete drive replacement is executed. The repaired or replaced unit undergoes rigorous testing to verify functionality and adherence to specifications before being returned.
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.
Ships from Rochester, NY