Mitsubishi HF-SP81BJ AC Servo Motor for MELSERVO-J3 Series

The Mitsubishi HF-SP81BJ (HF-SP81BJ) is an AC rotary brushless servo motor designed for high-performance motion control applications within the Mitsubishi MELSERVO-J3 series automation platform. Operating on a 200 VAC supply class, this industrial motor delivers a rated power output of 850 W (0.85 kW) and a continuous rated torque of 8.12 Nm at a rated operating speed of 1000 RPM, with a rated current draw of 4.5 A. Equipped with an integrated electromagnetic holding brake and a protective oil seal, the HF-SP81BJ is built for demanding vertical axes and industrial positioning tasks. It features a straight shaft and incorporates a high-resolution 18-bit absolute feedback encoder to maintain precise position tracking and dependable velocity control. The unit is engineered with a standard 130 mm by 130 mm mounting flange and holds an IP67 protection rating, ensuring robust resistance against dust ingress and liquid exposure. Rated for ambient operating temperatures ranging between 0 and 40 degrees Celsius, this motor provides reliable drive performance across packaging systems, material handling machinery, machine tool feed axes, and automated manufacturing lines.