Mitsubishi HG-SR81J AC Servo Motor for MELSERVO-J4 Series

The Mitsubishi HG-SR81J (HG-SR81J) is an AC servo motor designed for use with the Mitsubishi Electric MELSERVO-J4 series drive systems. Operating within the 200 V class, this medium-inertia rotary motor delivers a rated output power of 750 W (0.75 kW), providing dependable torque delivery and precise motion control in demanding automation environments. Designed to work in coordination with compatible MELSERVO-J4 servo amplifiers, the unit enables accurate positioning, dynamic speed regulation, and consistent velocity performance across industrial automation setups. This servo motor is utilized in a variety of machinery, including automated production lines, packaging equipment, material handling systems, CNC machine tools, and robotics applications requiring stable motion profiles and dynamic responsiveness. Its construction provides reliable operation under continuous industrial duties while integrating seamlessly with Mitsubishi drive platforms. By pairing the motor with compatible drive electronics, industrial facilities can maintain high motion precision, reduce machine cycle times, and support reliable operation in diverse manufacturing and assembly processes.