Mitsubishi FFR-SI-62A-SS1 AC Rotary Servo Motor for MELSERVO-J2S Series

The Mitsubishi FFR-SI-62A-SS1 (FFR-SI-62A-SS1) is an industrial brushless AC rotary servo motor engineered for high-power motion control within the Mitsubishi Electric MELSERVO-J2S series. Built for heavy-duty industrial machinery, this motor features a straight shaft configuration fitted with an integrated oil seal to protect internal components against oil and environmental contaminants. It incorporates an integrated 17-bit absolute feedback encoder delivering high-precision positioning resolution equivalent to 131,072 pulses per revolution, ensuring dependable closed-loop velocity and position regulation. Operating on a 400 V AC power supply class, the motor delivers a rated power output of 20 kW with a rated current of 55 A. It produces a rated output torque of 191 Nm at a rated rotational speed of 1,000 RPM, providing consistent driving force for demanding motion profiles. Mechanical installation is supported via a standard 280 x 280 mm mounting flange, and the housing is built to an IP44 protection rating. This discontinued servomotor serves demanding automation systems, material handling equipment, and heavy industrial drive mechanisms requiring robust torque delivery.