Mitsubishi HG-KR43J Brushless AC Rotary Servo Motor for MELSERVO-J4

The Mitsubishi HG-KR43J (HG-KR43J) is a brushless AC rotary servo motor designed for use with MELSERVO-J4 series drive systems. Equipped with a straight shaft, an integrated electromagnetic brake, and an oil seal, this motor provides precise motion control and reliable holding capabilities in factory machinery. It incorporates a built-in 22-bit absolute feedback encoder, delivering high-resolution position tracking equivalent to 4,194,304 pulses per revolution. Rated for an output of 15 kW with a rated torque of 95.5 Nm and a rated rotational speed of 1,500 rpm, the motor operates on a 400 V AC power supply class with a rated current of 31 A. The unit is built with standard MS-type connectors and features an IP67 protection rating for dependable operation in demanding manufacturing environments. Designed with a 220x220 mm flange mounting configuration, it is rated for ambient operating temperatures ranging from 0 to +40 degrees Celsius. This servo motor is commonly utilized in positioning machinery, packaging equipment, and multi-axis automated production systems.