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Mitsubishi MR-J4-350B-RJ
by Mitsubishi Electric
Read verified buyer reviews ↓OverviewThe Mitsubishi MR-J4-350B-RJ is a cutting-edge servo amplifier from the respected MR-J4 series, engineered to fulfill the rigorous requirements of contemporary industrial automation. This robust device provides an impressive 3.5 kW of output power at 200V, making it exceptionally well-suited for applications demanding high-accuracy and rapid motion control. Its incorporation of blazing-fast SSCNET III/H fiber-optic communication guarantees immediate data exchange and flawless system synchronization. Featuring advanced capabilities such as one-touch auto-tuning, sophisticated vibration damping, and integrated safety functions, the MR-J4-350B-RJ is essential for constructing dynamic, precise, and dependable motion systems across various industries. Its compact book-style footprint allows for flexible mounting, whether on a DIN rail or panel, optimizing cabinet space.Key Features Substantial Power Output: Offers a 3.5 kW rated output at 200V, supplying ample power for challenging applications. Rapid Communication: Leverages the SSCNET III/H fiber-optic network for unmatched communication speed and responsiveness. Intelligent Optimization: Includes one-touch auto-tuning and advanced vibration suppression for peak performance and stability without complicated manual adjustments. Integrated Safety Measures: Incorporates Safe Torque Off (STO) functionality, adhering to IEC 61800-5-2, ensuring heightened operational safety. Adaptable Control Modes: Supports high-performance position, speed, and torque control settings to meet diverse application needs. Space-Saving Design: Book-style form factor enables efficient space utilization, mountable on both DIN rails and panels. Effortless Compatibility: Fully compatible with Mitsubishi HG and HF series servo motors, ensuring flexible system integration. Intuitive Setup: Supported by MR Configurator2 software for straightforward monitoring, parameter configuration, and diagnostics. Technical Specifications Rated Output: 3.5 kW Input Voltage: 200–230 V AC (single/three-phase) Communication Interface: SSCNET III/H (optical fiber) Control Type: Fully digital PWM (Pulse Width Modulation) Safety Function: STO (Safe Torque Off) Cooling Method: Natural convection Ambient Temperature Range: 0 to 55 °C ApplicationsThe Mitsubishi MR-J4-350B-RJ servo amplifier is a versatile solution for numerous industrial applications requiring exceptional precision, speed, and reliability: High-Speed Pick-and-Place Operations: Facilitates swift and accurate material handling in automated assembly lines. Precision Robotics and Assembly Equipment: Powers robotic arms and automated mechanisms demanding exact movements and intricate trajectory control. Semiconductor Manufacturing Processes: Provides crucial control for complex wafer handling and processing machinery where micron-level accuracy is vital. Labeling, Printing, and Converting Equipment: Ensures precise web tension regulation, registration, and material feeding in high-throughput printing and packaging operations. General Motion Control: Perfect for any high-torque, high-precision motion setups where dynamic performance and dependable operation are critical. Why ChooseThe Mitsubishi MR-J4-350B-RJ stands out as a superior selection for advanced motion control systems due to its unique combination of power, accuracy, and intelligent features: Exceptional Performance: Delivers high output power in a compact design, maximizing performance without demanding extensive space. Unmatched Communication Speed: The ultra-fast SSCNET III/H communication ensures minimal delay and precise synchronization throughout your entire motion system. Effortless Operation: With one-touch auto-tuning and integrated vibration suppression, achieving stable and optimal operation is simplified, reducing setup time and maintenance efforts. Enhanced Safety: The built-in Safe Torque Off (STO) function provides peace of mind, ensuring adherence to international safety standards. Order NowUpgrade your industrial automation systems with the Mitsubishi MR-J4-350B-RJ servo amplifier. Contact Palm Parts Solution today to learn more and place your order. Our team of experts is ready to assist you in finding the perfect solution for your specific application needs.FAQHow much power does the MR-J4-350B-RJ provide?The MR-J4-350B-RJ delivers a rated output of 3.5 kW at 200V.What communication interface does this servo amplifier use?It utilizes the ultra-fast SSCNET III/H fiber-optic network for high-speed communication.Does the MR-J4-350B-RJ have integrated safety features?Yes, it includes Safe Torque Off (STO) functionality, compliant with IEC 61800-5-2 for enhanced operational safety.Is this model compatible with other Mitsubishi servo motors?It is fully compatible with Mitsubishi HG and HF series servo motors, ensuring flexible system integration.What software is used for configuring the MR-J4-350B-RJ?The MR-J4-350B-RJ is supported by MR Configurator2 software for easy monitoring, parameter setup, and diagnostics.
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Mitsubishi MR-J4-350B-RJ
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
- Rated Output: 3.5 kW
- Input Voltage: 200–230 V AC (single/three-phase)
- Communication Interface: SSCNET III/H (optical fiber)
- Control Type: Fully digital PWM (Pulse Width Modulation)
- Safety Function: STO (Safe Torque Off)
- Cooling Method: Natural convection
- Ambient Temperature Range: 0 to 55 °C
Applications
The Mitsubishi MR-J4-350B-RJ servo amplifier is a versatile solution for numerous industrial applications requiring exceptional precision, speed, and reliability:
- High-Speed Pick-and-Place Operations: Facilitates swift and accurate material handling in automated assembly lines.
- Precision Robotics and Assembly Equipment: Powers robotic arms and automated mechanisms demanding exact movements and intricate trajectory control.
- Semiconductor Manufacturing Processes: Provides crucial control for complex wafer handling and processing machinery where micron-level accuracy is vital.
- Labeling, Printing, and Converting Equipment: Ensures precise web tension regulation, registration, and material feeding in high-throughput printing and packaging operations.
- General Motion Control: Perfect for any high-torque, high-precision motion setups where dynamic performance and dependable operation are critical.
Why Choose the MR-J4-350B-RJ?
The Mitsubishi MR-J4-350B-RJ stands out as a superior selection for advanced motion control systems due to its unique combination of power, accuracy, and intelligent features:
- Exceptional Performance: Delivers high output power in a compact design, maximizing performance without demanding extensive space.
- Unmatched Communication Speed: The ultra-fast SSCNET III/H communication ensures minimal delay and precise synchronization throughout your entire motion system.
- Effortless Operation: With one-touch auto-tuning and integrated vibration suppression, achieving stable and optimal operation is simplified, reducing setup time and maintenance efforts.
- Enhanced Safety: The built-in Safe Torque Off (STO) function provides peace of mind, ensuring adherence to international safety standards.
Availability & Shipping
- ▸In stock: MR-J4-350B-RJ 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-J4-350B-RJ ships with a 1-Year PALM Parts warranty and a 30-day return window.
Frequently Asked Questions — Mitsubishi Electric
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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.