Mitsubishi MR-J4-70B-EB Servo Amplifier for MELSERVO MR-J4 Series

The Mitsubishi MR-J4-70B-EB (MR-J4-70B-EB) is an AC motion servo amplifier drive engineered for precise positioning and motion control within the Mitsubishi Electric MELSERVO MR-J4 series. Operating as an industrial drive unit, it delivers regulated power to compatible servo motors across automated manufacturing, robotics, assembly lines, packaging machinery, and material handling systems. This servo drive is configured for three-phase AC input with a supply voltage rating of 380 to 480 V AC across the 400 V class, including 400 V, 415 V, and 440 V AC nominal systems. It features a rated output capacity of 22 kW and a rated current of 63 A, offering reliable power conversion for demanding industrial loads. Built with an IP20 ingress protection rating, the unit incorporates RS-422 and RS-485 communication capabilities for streamlined integration with supervisory controllers and motion networks. The amplifier is rated for ambient operating temperatures ranging from 0 to +55 degrees Celsius and serves as an equivalent motion solution to MRJ422KA4. Its robust design ensures dependable operation in demanding automated factory environments.