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Mitsubishi MR-J4-70B
by Mitsubishi Electric
Read verified buyer reviews ↓OverviewEnhance your industrial operations with the Mitsubishi MR-J4-70B servo amplifier, a key component of the advanced MR-J4 Series. This 750W AC servo amplifier delivers exceptional speed and precise accuracy, making it an excellent option for demanding motion control needs. Its integration with SSCNET III/H communication technology ensures seamless connectivity within distributed control systems, boosting responsiveness and operational efficiency. The MR-J4-70B also features advanced tuning capabilities and strong safety measures, guaranteeing both peak performance and increased operational security for your machinery.Key Features Rated Output Power: A powerful 750W, capable of managing a wide variety of industrial loads with ease. Input Voltage: Flexible 200–240V AC, 3-phase input ensures compatibility with various electrical grids. Control Interface: Advanced SSCNET III/H for rapid, synchronized communication and superior multi-axis command. Auto-Tuning and Vibration Suppression: Enjoy straightforward setup and consistent, stable operation, even in dynamic environments, thanks to intelligent tuning algorithms. Safety Features: Integrated Safe Torque Off (STO) functionality provides vital safety compliance, ensuring instant and secure power disconnection when necessary. High Responsiveness: Designed for quick acceleration and deceleration, making it ideal for applications requiring dynamic and accurate movement. Real-Time Monitoring: Access comprehensive performance data and diagnostics through sophisticated monitoring tools, allowing for proactive maintenance and optimization. Technical Specifications Model: MR-J4-70B Series: MR-J4 Rated Current: Approximately 5.1A, indicating efficient power usage. Compatible Motors: Seamless integration with HG-KR, HG-MR, and HG-SR Series Mitsubishi Electric servo motors. Mounting: Designed for convenient and secure panel mounting, optimizing space within control cabinets. Cooling: Equipped with fan cooling to maintain ideal operating temperatures and extend lifespan. Ambient Operating Temperature: Operates reliably within a temperature range of 0°C to 55°C. Weight: Approximately 2.2 kg (4.85 lbs), facilitating easier handling and installation. Certifications: Complies with global industry standards including CE, UL, and RoHS, ensuring quality and environmental responsibility. ApplicationsThe Mitsubishi MR-J4-70B is a highly versatile servo amplifier, excelling across a diverse spectrum of industrial applications that demand precision, speed, and reliability: Robotics: Powering complex robotic arms and systems for assembly, welding, and material handling with exceptional accuracy. CNC Machinery: Providing the precise motion control vital for milling, turning, and grinding operations in CNC machining centers. Packaging and Labeling Machines: Ensuring high-speed and accurate product handling, filling, and labeling in automated packaging lines. Automated Assembly Systems: Driving complex assembly processes with repeatability and efficiency across various manufacturing sectors. Semiconductor Equipment: Delivering ultra-fine positioning and motion control necessary for the fabrication and testing of sensitive semiconductor components. Why ChooseChoosing the Mitsubishi MR-J4-70B servo amplifier means investing in a solution that redefines industrial motion control. Its combination of high-end features and robust design offers unparalleled advantages: High Precision & Stability: Achieve consistently accurate and stable motion, crucial for even the most demanding automation tasks, minimizing errors and maximizing output quality. SSCNET III/H Network: Benefit from lightning-fast and exceptionally reliable communication, enabling synchronized control across multiple axes and seamless system integration. Compact & Efficient: Its optimized design allows for significant space optimization and efficient power use. Order NowContact Palm Parts Solution today to integrate the Mitsubishi MR-J4-70B servo amplifier into your operations and experience enhanced precision and efficiency.FAQWhat is the power output of the Mitsubishi MR-J4-70B?The MR-J4-70B servo amplifier provides a robust 750W output power, suitable for various industrial loads.What communication interface does the MR-J4-70B use?It utilizes the advanced SSCNET III/H communication technology for high-speed, synchronized control.What are the compatible motor series for this amplifier?The MR-J4-70B is compatible with Mitsubishi Electric
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Mitsubishi MR-J4-70B
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:
- Exact replacement — same Mitsubishi Electric catalog number, new or refurbished, tested and warrantied
- Form-fit-function equivalent — alternate revision or build that drops in without code changes
- 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: MR-J4-70B
- Series: MR-J4
- Rated Current: Approximately 5.1A, indicating efficient power usage.
- Compatible Motors: Seamless integration with HG-KR, HG-MR, and HG-SR Series Mitsubishi Electric servo motors.
- Mounting: Designed for convenient and secure panel mounting, optimizing space within control cabinets.
- Cooling: Equipped with fan cooling to maintain ideal operating temperatures and extend lifespan.
- Ambient Operating Temperature: Operates reliably within a temperature range of 0°C to 55°C.
- Weight: Approximately 2.2 kg (4.85 lbs), facilitating easier handling and installation.
- Certifications: Complies with global industry standards including CE, UL, and RoHS, ensuring quality and environmental responsibility.
Applications
The Mitsubishi MR-J4-70B is a highly versatile servo amplifier, excelling across a diverse spectrum of industrial applications that demand precision, speed, and reliability:
- Robotics: Powering complex robotic arms and systems for assembly, welding, and material handling with exceptional accuracy.
- CNC Machinery: Providing the precise motion control vital for milling, turning, and grinding operations in CNC machining centers.
- Packaging and Labeling Machines: Ensuring high-speed and accurate product handling, filling, and labeling in automated packaging lines.
- Automated Assembly Systems: Driving complex assembly processes with repeatability and efficiency across various manufacturing sectors.
- Semiconductor Equipment: Delivering ultra-fine positioning and motion control necessary for the fabrication and testing of sensitive semiconductor components.
Why Choose the MR-J4-70B?
Choosing the Mitsubishi MR-J4-70B servo amplifier means investing in a solution that redefines industrial motion control. Its combination of high-end features and robust design offers unparalleled advantages:
- High Precision & Stability: Achieve consistently accurate and stable motion, crucial for even the most demanding automation tasks, minimizing errors and maximizing output quality.
- SSCNET III/H Network: Benefit from lightning-fast and exceptionally reliable communication, enabling synchronized control across multiple axes and seamless system integration.
- Compact & Efficient: Its optimized design allows for significant space optimization and efficient power use.
Availability & Shipping
- ▸In stock: MR-J4-70B 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-J4-70B ships with a 1-Year PALM Parts warranty and a 30-day return window.
Frequently Asked Questions — Mitsubishi Electric
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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Independent Supplier Notice
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.