Mitsubishi HF-KP73B AC Servo Motor for MELSERVO-J2S Series

The Mitsubishi HF-KP73B (HF-KP73B) is an industrial brushless AC rotary servo motor engineered for use with Mitsubishi MELSERVO-J2S series drive systems. Operating on a 200 VAC supply voltage class, this motor delivers precise motion control, rapid dynamic response, and stable positioning across demanding factory automation applications such as packaging machinery, material handling equipment, and computerized machine tools. It features a straight shaft construction with an integrated oil seal that prevents fluid ingress in harsh operating environments. Equipped with an integrated 17-bit absolute feedback encoder providing 131,072 pulses per revolution, the motor ensures accurate closed-loop control and positional tracking. Key operational specifications include a rated power output of 2,000 W (2 kW), a rated operating current of 11 A, a rated output torque of 9.55 Nm, and a rated rotational speed of 2,000 rpm. The unit is designed with a 176 x 176 mm mounting flange, offers an IP65 protection rating against dust and low-pressure water jets, and is rated for operation in ambient temperatures ranging from 0 to +40 degrees Celsius.