Mitsubishi HG-KR4BJ AC Servo Motor for HG Series

The Mitsubishi HG-KR4BJ (HG-KR4BJ) is a high-performance AC servo motor designed for precise motion control within the Mitsubishi HG Series. Engineered as a 400W dynamically balanced synchronous unit, this servo motor delivers consistent and stable torque output while minimizing disruptive cogging forces during operation. It is typically deployed alongside compatible Mitsubishi MELSERVO drive systems to provide accurate position, speed, and torque regulation across various industrial automated machinery. Built for dependable and continuous operation, the HG-KR4BJ is well suited for demanding production environments. Common applications include packaging equipment, automated assembly lines, material handling systems, textile machinery, and computer numerical control machine auxiliary axes. Its balanced construction ensures smooth rotation and responsive dynamic performance across variable operating speeds. When integrated into automation architectures, this motor facilitates efficient axis positioning and repeatable cycle times, helping maintain reliable throughput and long-term equipment stability in factory installations.