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Mitsubishi MR-J2S-40B1 Servo Amplifier front view with display and connectors

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Mitsubishi MR-J2S-40B1

by Mitsubishi Electric

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OverviewElevate industrial automation with the Mitsubishi MR-J2S-40B1, a high-performance 400W AC servo amplifier engineered for exceptional precision and dynamic response. From the esteemed MR-J2S series, this unit is meticulously crafted for advanced motion control applications. Operating on a 200V power supply, the MR-J2S-40B1 incorporates cutting-edge SSCNET communication, enabling real-time data exchange and synchronous multi-axis control. Its rapid response and sophisticated positioning capabilities make it vital for systems demanding accuracy and dependability. Seamlessly compatible with incremental encoders, this servo amplifier integrates effortlessly into high-performance automation ecosystems, boosting operational efficiency and ensuring consistent, superior results.Key Features Series: MR-J2S – A component of Mitsubishi’s established and widely adopted servo amplifier family. Output Power: 400W – Provides substantial power for various precision operations. Input Voltage: 3-phase 200–230V AC – Guarantees stable and dependable power delivery in industrial environments. Control Modes: Position, Speed, and Torque – Offers adaptable control methods to suit diverse application needs. Communication Interface: SSCNET (Optical Fiber) – Delivers high-speed, noise-resistant, and synchronized network communication for optimal functionality. Encoder Compatibility: Incremental Encoder – Supports prevalent encoder types for accurate feedback. Cooling Method: Fan-cooled – Ensures efficient heat dissipation for continuous operation and extended lifespan. Mounting Type: Panel Mount – Designed for straightforward and secure installation within control cabinets. Protection: Overload, Overcurrent, Overvoltage, Regeneration – Extensive protection features safeguard the amplifier and connected equipment. Standards: CE, UL, RoHS Compliant – Adheres to international safety and environmental regulations. Technical SpecificationsThe Mitsubishi MR-J2S-40B1 is engineered with precision: Catalog Number: MR-J2S-40B1 Rated Output: 400W Input Voltage: 3-phase 200–230V AC ±10% Frequency: 50/60 Hz Control System: Fully digital, sine-wave PWM Interface: SSCNET (optical fiber network) Encoder Input: 131072 ppr incremental encoder Maximum Speed: 4500–5000 rpm (motor-dependent, consult motor specifications) Ambient Temperature: 0°C to 55°C Mounting: Panel mount Dimensions: Approximately 150 x 100 x 170 mm (Height x Width x Depth) Weight: Approximately 2.5 kg ApplicationsThe versatility and high-performance attributes of the Mitsubishi MR-J2S-40B1 make it perfect for an array of demanding industrial uses: Precision Automation Machinery: Essential for tasks requiring meticulous control and repeatable accuracy, such as assembly robots and inspection equipment. High-Speed Conveyors: Ensures smooth, rapid, and precise movement of goods in logistics and manufacturing lines. Robotics and Pick-and-Place Systems: Provides the dynamic control necessary for agile and accurate robotic manipulation. CNC and Packaging Equipment: Drives the precise axes of CNC machines and high-speed packaging lines for optimal throughput and quality. Multi-Axis Motion Control Setups: Facilitates synchronized and complex movements across multiple axes in advanced manufacturing processes. Why ChooseHarness the power of SSCNET optical fiber communication for real-time networked control, minimizing latency and maximizing synchronization across your automation system. Despite its robust 400W output, the MR-J2S-40B1 features a space-saving design, allowing efficient use of cabinet space without sacrificing performance. Benefit from stable and consistent operation, bolstered by comprehensive safeguards for exceptional reliability.Order NowElevate your operations with the Mitsubishi MR-J2S-40B1. Contact us today for pricing and availability, or to discuss how this advanced servo amplifier can optimize your industrial processes.FAQWhat is the primary function of the Mitsubishi MR-J2S-40B1?The MR-J2S-40B1 is a 400W AC servo amplifier designed to provide high-precision motion control and dynamic response in advanced industrial automation applications, particularly those requiring accurate positioning and reliable operation.What communication interface does this servo amplifier utilize?This servo amplifier employs SSCNET (Optical Fiber) communication, which ensures high-speed, noise-resistant, and synchronized network communication for optimal performance in complex automation systems.What types of applications benefit most from the MR-J2S-40B1?This model is highly suitable for precision automation machinery, high-speed conveyors, robotics, pick-and-place systems, CNC equipment, packaging machinery, and multi-axis motion control setups where exacting accuracy and reliability are critical.Does the MR-J2S-40B1 come with protective features?Yes, it includes comprehensive protection features such as overload, overcurrent, overvoltage, and regeneration protection, safeguarding both the amplifier and the connected machinery for sustained and reliable operation.Is this servo amplifier compatible with international standards?Yes, the MR-J2S-40B1 adheres to international safety and environmental regulations, being CE, UL, and RoHS compliant, providing peace of mind regarding its quality and compliance.

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PRODUCT DETAILS

Mitsubishi MR-J2S-40B1

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

The Mitsubishi MR-J2S-40B1 is engineered with precision:

  • Catalog Number: MR-J2S-40B1
  • Rated Output: 400W
  • Input Voltage: 3-phase 200–230V AC ±10%
  • Frequency: 50/60 Hz
  • Control System: Fully digital, sine-wave PWM
  • Interface: SSCNET (optical fiber network)
  • Encoder Input: 131072 ppr incremental encoder
  • Maximum Speed: 4500–5000 rpm (motor-dependent, consult motor specifications)
  • Ambient Temperature: 0°C to 55°C
  • Mounting: Panel mount
  • Dimensions: Approximately 150 x 100 x 170 mm (Height x Width x Depth)
  • Weight: Approximately 2.5 kg

Applications

The versatility and high-performance attributes of the Mitsubishi MR-J2S-40B1 make it perfect for an array of demanding industrial uses:

  • Precision Automation Machinery: Essential for tasks requiring meticulous control and repeatable accuracy, such as assembly robots and inspection equipment.
  • High-Speed Conveyors: Ensures smooth, rapid, and precise movement of goods in logistics and manufacturing lines.
  • Robotics and Pick-and-Place Systems: Provides the dynamic control necessary for agile and accurate robotic manipulation.
  • CNC and Packaging Equipment: Drives the precise axes of CNC machines and high-speed packaging lines for optimal throughput and quality.
  • Multi-Axis Motion Control Setups: Facilitates synchronized and complex movements across multiple axes in advanced manufacturing processes.

Why Choose the MR-J2S-40B1?

Harness the power of SSCNET optical fiber communication for real-time networked control, minimizing latency and maximizing synchronization across your automation system. Despite its robust 400W output, the MR-J2S-40B1 features a space-saving design, allowing efficient use of cabinet space without sacrificing performance. Benefit from stable and consistent operation, bolstered by comprehensive safeguards for exceptional reliability.

Availability & Shipping

  • In stock: MR-J2S-40B1 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-J2S-40B1 ships with a 1-Year PALM Parts warranty and a 30-day return window.
SUPPORT

Frequently Asked Questions — Mitsubishi Electric

The MR-J2S-40B1 is a 400W AC servo amplifier designed to provide high-precision motion control and dynamic response in advanced industrial automation applications, particularly those requiring accurate positioning and reliable operation.

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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PALM Parts Solution operates as an independent industrial automation supplier and is not an authorized distributor or affiliate of any listed manufacturer or brand name. Manufacturer trademarks and product names are used solely for identification purposes. Original manufacturer warranties do not apply. All products sold by PALM Parts are backed by our own 1-year warranty.

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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