Mitsubishi MR-J4W3-444B - Servo Amplifiers

The Mitsubishi MR-J4W3-444B is a high-performance triple-axis Mitsubishi Servo Amplifier from the advanced MELSERVO-J4 Series, designed to achieve precise and synchronized motion control in industrial automation systems. Manufactured by Mitsubishi Electric, it offers exceptional accuracy, reliability, and efficiency — making it ideal for engineers and automation specialists seeking seamless control performance.

The MR-J4W3-444B features a built-in dynamic brake and supports the high-speed SSCNETⅢ/H communication interface for synchronized multi-axis control. With a rated capacity of 0.4 kW and three-axis drive support, it enables compact, integrated control of multiple servomotors within one unit. Designed for a 200–240V three-phase power supply, it ensures stable torque output and precise speed regulation even in high-load applications. Its compact form factor — 85 mm width, 168 mm height, and 195 mm depth — allows flexible installation in space-constrained panels, while a total weight of 1.9 kg ensures ease of handling. The Mitsubishi MR-J4W3-444B also includes advanced vibration suppression, auto-tuning, and overload protection functions, ensuring consistent operation under demanding industrial conditions. As part of the MELSERVO-J4 Series, it exemplifies Mitsubishi’s focus on precise motion performance, durability, and easy integration with modern automation systems.

The Mitsubishi MR-J4W3-444B Servo Amplifier is widely used in packaging machinery, robotic arms, pick-and-place units, printing presses, and multi-axis conveyor systems that require synchronized control and real-time feedback. Engineers prefer this model for its ability to drive multiple servo motors with minimal wiring and high positional accuracy. Maintenance teams appreciate its intelligent fault diagnosis, quick parameter setting, and plug-and-play compatibility with Mitsubishi PLCs. This model’s robust performance makes it a reliable choice for factories aiming to increase efficiency and reduce downtime. For engineering students and automation trainers, the MR-J4W3-444B also serves as an excellent reference point for understanding advanced servo technology and integrated motion control. Overall, it reinforces the long-standing reputation of Mitsubishi Servo Amplifiers as dependable, energy-efficient, and innovation-driven motion solutions.

To understand complete specifications, wiring details, and setup procedures, users can refer to the Mitsubishi MR-J4W3-444B datasheet and installation manual. Those interested in procurement can check the current MR-J4W3-444B price with authorized Mitsubishi distributors to ensure genuine and warranty-covered units. Known for its high responsiveness, precision, and multi-axis control capabilities, the Mitsubishi MR-J4W3-444B Servo Amplifier remains a trusted solution for industries that demand accuracy, compact design, and long-term reliability in their automation systems.