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Mitsubishi MR-J4-20A servo amplifier for industrial automation

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Mitsubishi MR-J4-20A

by Mitsubishi Electric

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OverviewThe Mitsubishi MR-J4-20A is a state-of-the-art servo amplifier crafted for exceptional accuracy and operational efficiency in demanding industrial settings. This robust yet compact unit, a prominent model in Mitsubishi Electric's acclaimed MR-J4 series, delivers unparalleled command for 200-watt servo motors. It integrates seamlessly with advanced SSCNET III/H communication, providing incredibly fast and dependable data exchange crucial for high-speed synchronization and dynamic motion profiles. Designed for contemporary industrial applications, the MR-J4-20A features sophisticated auto-tuning, integrated safety protocols, and broad compatibility with various Mitsubishi servo motors, making it indispensable for tasks requiring ultimate precision and effectiveness. Its small footprint allows for space-saving installations in control panels, optimizing overall system design.Key Features Powerful Performance: Delivers 200 W (0.2 kW) rated output, capable of driving diverse servo motor applications. Flexible Power Input: Supports versatile power supply configurations of 200–230 V AC, in both single and three-phase setups. SSCNET III/H Compatibility: Utilizes high-speed fiber-optic communication for superior network performance and real-time control. Effortless Tuning: Features one-touch tuning and advanced vibration suppression for quick, optimized system setup and smooth operation. Integrated Safety: Includes a built-in STO (Safe Torque Off) function, adhering to stringent safety standards (IEC/EN 61800-5-2). Motor Compatibility: Fully compatible with Mitsubishi HG and HF series servo motors, ensuring flexible system integration. Space-Saving Design: Its compact form factor is perfect for efficient utilization of control panel space. Advanced Configuration: Facilitates convenient monitoring and configuration via the intuitive MR Configurator2 software. Technical SpecificationsRated Output: 200 WInput Voltage: 200–230 V ACCommunication Interface: SSCNET III/HControl System: Fully digital PWM controlSafety Function: STO (Safe Torque Off) compliant with IEC/EN 61800-5-2Mounting Options: Versatile book-type design, suitable for DIN rail or panel mountingOperating Ambient Temperature: 0 to 55 °CCompatible Motor Series: HG-KR, HG-MR, HF-KPApplicationsThe Mitsubishi MR-J4-20A servo amplifier is an outstanding selection for a wide range of industrial applications where precision, speed, and reliability are crucial: Precision Conveyor and Indexing Systems: Ensures accurate material handling and positioning. Pick-and-Place Automation: Delivers rapid and repeatable movements for assembly and sorting tasks. Semiconductor Manufacturing Equipment: Provides the high-resolution control required for delicate processes. Compact Robotic Arms: Enhances the dexterity and speed of small-scale robotic systems. Medical and Laboratory Machinery: Offers the precision and dependability critical for sensitive analytical and diagnostic equipment. Why Choose?Selecting the Mitsubishi MR-J4-20A servo amplifier represents an investment in unmatched performance and reliability for your automation requirements. This model distinguishes itself through its high-speed response capabilities, ensuring precise positioning and dynamic motion control even in the most demanding applications. It guarantees dependable communication via its SSCNET III/H interface, minimizing latency and optimizing synchronization throughout your entire system. Additionally, with its integrated STO function, the MR-J4-20A provides a vital layer of safety, meeting international standards and safeguarding both personnel and equipment. Deployment is simplified with its easy setup and tuning features, facilitating swift integration into existing or new automation lines. Ultimately, choosing this model means leveraging Mitsubishi Electric's extensive expertise and proven servo control technology, assuring you of a robust, durable, and high-performing solution.Order NowEnhance your industrial automation with the precision and reliability of the Mitsubishi MR-J4-20A servo amplifier. Contact us today to place your order and optimize your operations.FAQWhat is the rated output of the Mitsubishi MR-J4-20A?The MR-J4-20A servo amplifier has a rated output of 200 W (0.2 kW).Which communication interface does the MR-J4-20A use?It utilizes the high-speed SSCNET III/H communication interface for real-time control.What safety function is integrated into this servo amplifier?The unit includes a built-in STO (Safe Torque Off) function, compliant with IEC/EN 61800-5-2 safety standards.Is the Mitsubishi MR-J4-20A compatible with various motor series?Yes, it is fully compatible with Mitsubishi HG-KR, HG-MR, and HF-KP series servo motors.What are the typical applications for the MR-J4-20A?Common applications include precision conveyor systems, pick-and-place automation, semiconductor manufacturing, compact robotic arms, and medical machinery.

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PRODUCT DETAILS

Mitsubishi MR-J4-20A

Overview

This is a genuine Mitsubishi Electric component from the Servo Drives & Motors family. PalmPartsSolution stocks it in new, refurbished, and surplus condition with tested warranty and same-day shipping on in-stock units.

Whether you are sourcing a like-for-like replacement for an existing installation, an emergency spare to keep a line running, or a qualified part for a new build, our team can confirm availability, revision, and lead time before you order.

Key Features

  • Genuine Mitsubishi Electric catalog part
  • Tested before shipment
  • Backed by PalmPartsSolution warranty
  • Cross-reference and revision assistance available
  • Compatible with the broader Mitsubishi Electric automation ecosystem
  • Engineered to integrate inside Servo Drives & Motors installations

Compatibility

When ordering, match the full catalog/part number, hardware revision, and firmware revision called out by your Mitsubishi Electric equipment. Where applicable, confirm:

  • Input/output voltage and current rating
  • Communication protocol and network role
  • Mounting form factor and footprint
  • Operating temperature, humidity, and IP rating
  • Required certifications (UL, CE, ATEX, marine, etc.)

Not sure which revision you need? Send us the catalog number on the nameplate and we will confirm the correct match.

Replacement Information

Three ways to source this part through PalmPartsSolution:

  1. Exact replacement — same Mitsubishi Electric catalog number, new or refurbished, tested and warrantied
  2. Form-fit-function equivalent — alternate revision or build that drops in without code changes
  3. Engineered migration — current-generation Mitsubishi Electric platform with documented conversion notes for the Servo Drives & Motors family

Contact our engineering team if you need help choosing between these tracks.

Technical Specifications

Rated Output: 200 W

Input Voltage: 200–230 V AC

Communication Interface: SSCNET III/H

Control System: Fully digital PWM control

Safety Function: STO (Safe Torque Off) compliant with IEC/EN 61800-5-2

Mounting Options: Versatile book-type design, suitable for DIN rail or panel mounting

Operating Ambient Temperature: 0 to 55 °C

Compatible Motor Series: HG-KR, HG-MR, HF-KP

Applications

The Mitsubishi MR-J4-20A servo amplifier is an outstanding selection for a wide range of industrial applications where precision, speed, and reliability are crucial:

  • Precision Conveyor and Indexing Systems: Ensures accurate material handling and positioning.
  • Pick-and-Place Automation: Delivers rapid and repeatable movements for assembly and sorting tasks.
  • Semiconductor Manufacturing Equipment: Provides the high-resolution control required for delicate processes.
  • Compact Robotic Arms: Enhances the dexterity and speed of small-scale robotic systems.
  • Medical and Laboratory Machinery: Offers the precision and dependability critical for sensitive analytical and diagnostic equipment.

Why Choose the MR-J4-20A?

Selecting the Mitsubishi MR-J4-20A servo amplifier represents an investment in unmatched performance and reliability for your automation requirements. This model distinguishes itself through its high-speed response capabilities, ensuring precise positioning and dynamic motion control even in the most demanding applications. It guarantees dependable communication via its SSCNET III/H interface, minimizing latency and optimizing synchronization throughout your entire system. Additionally, with its integrated STO function, the MR-J4-20A provides a vital layer of safety, meeting international standards and safeguarding both personnel and equipment. Deployment is simplified with its easy setup and tuning features, facilitating swift integration into existing or new automation lines. Ultimately, choosing this model means leveraging Mitsubishi Electric's extensive expertise and proven servo control technology, assuring you of a robust, durable, and high-performing solution.

Availability & Shipping

  • In stock: MR-J4-20A ready for immediate dispatch from our Florida warehouse.
  • Free USA shipping: FedEx Priority (2–5 business days) and UPS Ground (3–5 business days). Expedited options available at checkout.
  • Worldwide delivery: FedEx International Priority (1–5 days), UPS International Priority (3–5 days), and USPS International (5–10 days) — rates calculated at checkout.
  • Bulk pricing: Volume discounts on request — contact our sales team for quantity quotes.
  • Buy with confidence: Every MR-J4-20A ships with a 1-Year PALM Parts warranty and a 30-day return window.
SUPPORT

Frequently Asked Questions — Mitsubishi Electric

The MR-J4-20A servo amplifier has a rated output of 200 W (0.2 kW).

Machine down? We ship parts the same day.

New, surplus, and refurbished Mitsubishi Electric inventory in stock. Request a quote or speak directly with an automation specialist for emergency sourcing.

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Product Condition & Firmware

All products are sold as new unless stated otherwise. Original manufacturer packaging may show signs of handling, storage, or shelf wear. Date codes and series may vary from current factory production. PALM Parts does not guarantee the presence, version, or compatibility of any firmware on PLC or automation products.

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