The Mitsubishi Electric HG-KR43J is a high-performance, low-inertia AC servo motor belonging to the industry-leading MELSERVO series, specifically engineered for seamless integration with MR-J4 servo amplifiers. Delivering a rated output capacity of 400W (0.4kW) and operating at a rated speed of 3000 r/min, this compact motor provides dynamic responsiveness and pinpoint accuracy for complex industrial applications. The “J” specification indicates the inclusion of a factory-installed oil seal, offering enhanced durability and protection against ingress in demanding manufacturing environments. Weighing only 1.5kg, the HG-KR43J is an excellent solution for robotics, packaging machinery, and semiconductor manufacturing equipment requiring reliable, high-speed motion control.