Mitsubishi HF-SP81 AC Servo Motor with Brake for HF Series

The Mitsubishi HF-SP81 (HF-SP81) is a brushless rotary AC servo motor designed for high-performance motion control in the Mitsubishi HF series. Engineered for demanding industrial positioning and drive applications, this motor provides a rated output of 3.5 kW (3500 W) with a supply voltage rating of 400 V AC and a rated current of 6.9 A. It delivers a rated rotational speed of 3000 RPM, producing a rated torque of 11.1 Nm and a maximum stall torque of 22.5 Nm. Equipped with a straight shaft, the unit features an integrated electromagnetic holding brake and a high-resolution 20-bit absolute feedback encoder delivering 1,000,000 pulses per revolution for precise closed-loop speed and position regulation. Built for rugged industrial environments, the motor has a 114.3 x 114.3 mm mounting flange and offers an IP67 degree of ingress protection against dust and liquid intrusion. It operates reliably across an ambient temperature range of 0 to +40 degrees Celsius, making it ideal for packaging machinery, material handling systems, CNC automation, and precision robotics.