Mitsubishi HG-SR51J Brushless AC Rotary Servo Motor for MELSERVO-J5

The Mitsubishi HG-SR51J (HG-SR51J) is a brushless AC rotary servo motor manufactured by Mitsubishi Electric for motion control within MELSERVO-J5 series drive systems. Configured with a straight shaft, this industrial servo motor integrates a protective oil seal that helps prevent oil contamination and fluid penetration during operation. For precise positioning and motion monitoring, the unit features an integrated 26-bit absolute feedback encoder that delivers high-resolution feedback directly to compatible servo drives. Delivering a rated power output of 5,000 Watts (5 kW), this rotary motor provides equivalent performance to HKST5024WJ units. It is designed for demanding industrial automation setups, precision machinery, motion axes, and processing equipment that require stable torque output, high dynamic response, and absolute position tracking. Operating within the Mitsubishi servo ecosystem, the HG-SR51J offers dependable brushless motor performance, long service life, and seamless compatibility with corresponding drive electronics.