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Mitsubishi MR-J2S-40B Servo Amplifier

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Mitsubishi MR-J2S-40B

by Mitsubishi Electric

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OverviewThe Mitsubishi MR-J2S-40B is a 400W servo amplifier from the respected MR-J2S series, providing exceptional precision and operational stability in a variety of industrial automation settings. This compact, powerful drive is well-suited for machinery demanding exact motion regulation and consistent torque delivery, guaranteeing seamless functionality across diverse tasks. Its robust construction and integration capabilities make it a crucial component for enhancing the productivity and accuracy of contemporary control systems. Engineered for effortless integration into mid-range performance equipment, the MR-J2S-40B incorporates advanced SSCNET communication protocols, enabling rapid data exchange and synchronized motion. With its innovative auto-tuning feature, commissioning periods are significantly shortened, ensuring quick and efficient system configuration. This servo amplifier demonstrates Mitsubishi Electric's dedication to supplying dependable, user-friendly, and high-quality solutions for dynamic control environments.Key Features Series: MR-J2S – Part of Mitsubishi Electric's respected series, known for its performance and dependability. Rated Output: 400W – Delivers ample power for precise control across various uses. Input Voltage: 3-phase 200–230V AC – Standard industrial input for extensive compatibility. Communication: SSCNET Network Compatibility – Ensures high-speed, synchronized communication for multi-axis setups. Control Modes: Position, Speed, Torque – Adaptable operation to suit a broad array of control needs. Auto-Tuning: Built-in Adaptive Tuning Function – Simplifies configuration and automatically optimizes performance. Safety: Integrated Dynamic Brake Capability – Enhances operational safety and control during critical situations. Encoder Feedback: Supports Incremental Encoder Inputs – For accurate position and speed feedback. Mounting: Panel Mount or DIN Rail-Compatible – Provides flexible installation options within control enclosures. Cooling: Fan-Cooled Design – Guarantees optimal operating temperatures and extends component lifespan. Technical Specifications Model Number: MR-J2S-40B Rated Output Power: 0.4 kW Rated Output Current: Approximately 2.9 A Input Voltage: 200–230V AC ±10%, 50/60 Hz Control Interface: SSCNET Compatible Encoder Type: Incremental (up to 131,072 pulses/revolution) Protections: Overcurrent, Overvoltage, Overload, Encoder Error – Extensive protection for reliable performance. Ambient Temperature: 0°C to 55°C Protection Rating: IP20 Weight: Approximately 0.9 kg Certifications: CE, UL, RoHS – Adherence to international safety and environmental regulations. ApplicationsThe Mitsubishi MR-J2S-40B servo amplifier's adaptability and accuracy make it an excellent selection for a wide range of industrial applications, including: Small to Medium Robotics: Providing agile and precise movement for robotic arms and automated systems. Conveyor and Material Handling Systems: Ensuring smooth and accurate material flow for improved logistics. Packaging and Labeling Machinery: Delivering high-speed and accurate control for efficient packaging operations. CNC Accessory Control: Enhancing the precision and functionality of computer numerical control equipment. Automated Assembly Equipment: Facilitating precise component placement and assembly tasks in manufacturing lines. Why ChooseThis servo amplifier's compact design is specifically crafted for efficient space utilization, making it ideal for integration into crowded control cabinets or smaller machines without sacrificing performance. With SSCNET communication and an advanced auto-tuning function, the MR-J2S-40B significantly shortens installation and setup times, streamlining your operational processes and boosting productivity from the start. Experience exceptional precision and stability in motion control. This servo amplifier ensures smooth, accurate, and repeatable movements.Order NowEnhance your industrial systems with the Mitsubishi MR-J2S-40B servo amplifier. Contact us today to secure this essential component for your automation needs.FAQWhat is the power output of the Mitsubishi MR-J2S-40B?The MR-J2S-40B has a rated output of 400W.What communication protocols does this servo amplifier support?It supports SSCNET network compatibility for high-speed, synchronized communication.Can the MR-J2S-40B be used in various control applications?Yes, it supports position, speed, and torque control modes for versatile operation.

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PRODUCT DETAILS

Mitsubishi MR-J2S-40B

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

  • Model Number: MR-J2S-40B
  • Rated Output Power: 0.4 kW
  • Rated Output Current: Approximately 2.9 A
  • Input Voltage: 200–230V AC ±10%, 50/60 Hz
  • Control Interface: SSCNET Compatible
  • Encoder Type: Incremental (up to 131,072 pulses/revolution)
  • Protections: Overcurrent, Overvoltage, Overload, Encoder Error – Extensive protection for reliable performance.
  • Ambient Temperature: 0°C to 55°C
  • Protection Rating: IP20
  • Weight: Approximately 0.9 kg
  • Certifications: CE, UL, RoHS – Adherence to international safety and environmental regulations.

Applications

The Mitsubishi MR-J2S-40B servo amplifier's adaptability and accuracy make it an excellent selection for a wide range of industrial applications, including:

  • Small to Medium Robotics: Providing agile and precise movement for robotic arms and automated systems.
  • Conveyor and Material Handling Systems: Ensuring smooth and accurate material flow for improved logistics.
  • Packaging and Labeling Machinery: Delivering high-speed and accurate control for efficient packaging operations.
  • CNC Accessory Control: Enhancing the precision and functionality of computer numerical control equipment.
  • Automated Assembly Equipment: Facilitating precise component placement and assembly tasks in manufacturing lines.

Why Choose the MR-J2S-40B?

This servo amplifier's compact design is specifically crafted for efficient space utilization, making it ideal for integration into crowded control cabinets or smaller machines without sacrificing performance. With SSCNET communication and an advanced auto-tuning function, the MR-J2S-40B significantly shortens installation and setup times, streamlining your operational processes and boosting productivity from the start. Experience exceptional precision and stability in motion control. This servo amplifier ensures smooth, accurate, and repeatable movements.

Availability & Shipping

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

Frequently Asked Questions — Mitsubishi Electric

The MR-J2S-40B has a rated output of 400W.

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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