Mitsubishi HG-RR503B AC Servo Motor for MELSERVO-JE Series

The Mitsubishi HG-RR503B is a rotary brushless AC servo motor engineered for precise position, speed, and torque control in Mitsubishi Electric MELSERVO-JE drive systems. Built with a keyed shaft and an integrated oil seal, this motor is suited for demanding industrial machinery, automated assembly systems, and material handling applications that require dependable dynamic performance. Operating on a 200 VAC class power supply, the unit provides a rated output of 400 W (0.4 kW) with a rated speed of 3,000 RPM, delivering a nominal torque of 1.3 Nm at a rated current of 2.6 A. For high-resolution positioning accuracy, the motor incorporates a 17-bit absolute feedback encoder providing 131,072 pulses per revolution. It is designed with a standard 60 x 60 mm mounting flange and features an IP65 degree of protection to prevent ingress of dust and moisture. The motor operates reliably within an ambient temperature range of 0 to +40 degrees Celsius, providing consistent and robust performance across a broad spectrum of automated production environments.