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Mitsubishi MR-J4-70A-RJ - Servo Amplifiers
Technical Specifications of Mitsubishi Servo Amplifiers MR-J4-70A-RJ:

| Brand | Mitsubishi |
| Product Type | Servo Amplifier |
| Product | MR-J4-70A-RJ |
Mitsubishi Servo Amplifiers MR-J4-70A-RJ Technical Specifications:
| Specification | Value |
|---|---|
| Number of Axes | 1 |
| Dynamic Break | BUILT-IN |
| Series | MELSERVO-J4 |
| Type | MR-J4 |
| Command Interface | GENERIC INTERFACE |
| Rated Capacity (kW) | 0,75 |
| Power Supply 1 Phase (VAC) | 200-240 |
| Power Supply 3 Phase (VAC) | 200-240 |
| Depth (mm) | 185 |
| Weight (kg) | 1,4 |
| Width (mm) | 60 |
| Height (mm) | 168 |
The Mitsubishi MR-J4-70A-RJ is a high-performance Mitsubishi Servo Amplifier from the MELSERVO-J4 Series, designed for precision motion control in industrial automation. Built by Mitsubishi Electric, this model offers superior reliability, compact design, and responsive control ideal for machine builders, engineers, and maintenance professionals.
The MR-J4-70A-RJ is a single-axis servo amplifier with a built-in dynamic brake and a generic interface for flexible control integration. With a rated capacity of 0.75 kW and the ability to operate on both single-phase and three-phase 200β240 VAC power supply, it delivers consistent and efficient torque control. The unitβs compact frame β 60 mm width, 168 mm height, and 185 mm depth β along with a lightweight body of 1.4 kg, makes it easy to install even in limited control cabinet spaces. Advanced features like vibration suppression, automatic tuning, and overload protection ensure stable performance in high-speed operations. Designed for durability and accuracy, the Mitsubishi MR-J4-70A-RJ provides reliable motion control and supports seamless integration with Mitsubishi PLC systems. Among Mitsubishi Servo Amplifiers, it is well known for balancing compact size with advanced servo response and energy efficiency.
The Mitsubishi MR-J4-70A-RJ Servo Amplifier finds wide use in robotics, CNC machinery, packaging lines, and conveyor systems that demand smooth, repeatable motion and minimal downtime. It delivers excellent feedback precision and acceleration control, helping engineers maintain consistent quality and efficiency in automated environments. With its high-speed response, stable torque control, and low-vibration performance, this model ensures precise synchronization between motor and controller. For educational institutions and training facilities, the MELSERVO-J4 Series provides an excellent example of modern servo technology and motion dynamics. Trusted for its dependability and consistent performance, the MR-J4-70A-RJ continues to strengthen Mitsubishiβs leadership in advanced automation technology.
For technical insights and installation guidance, refer to the Mitsubishi MR-J4-70A-RJ datasheet and product manual which cover specifications, safety, and tuning details. Buyers can check the latest MR-J4-70A-RJ price through authorized Mitsubishi distributors to ensure genuine components and warranty coverage. Built for industrial precision, long service life, and efficient motion control, the Mitsubishi MR-J4-70A-RJ Servo Amplifier remains a trusted solution across industries looking for accuracy, performance, and reliability.







