Mitsubishi MR-J4-70B-RJ020-(B) Servo Amplifier for MELSERVO-J4 Series

The Mitsubishi MR-J4-70B-RJ020-(B) (MR-J4-70B-RJ020-(B)) is an AC motion servo amplifier from the MELSERVO-J4 series engineered for precision industrial automation and motion control. Designed for seamless integration into high-performance machinery, this drive supports SSCNET III/H high-speed optical communication, ensuring synchronized multi-axis coordination, low signal latency, and superior noise immunity. It operates with a supply voltage rating of 200 V to 240 V AC (200 V class) supporting single-phase (2P) or three-phase (3P) input configurations. Featuring an IP20 degree of protection, the amplifier is rated for reliable operation in ambient operating temperatures ranging from 0 to +55 degrees Celsius. This MELSERVO-J4 drive is widely deployed in automated production systems, packaging machinery, material handling setups, machine tools, and assembly lines utilizing Mitsubishi motion controllers. The integrated SSCNET III/H interface allows rapid fiber-optic data transmission between the controller and the servo drive, facilitating rapid cycle times and exceptional positioning accuracy. Built to provide robust drive performance and energy efficiency, the MR-J4-70B-RJ020-(B) delivers dependable velocity and torque control, meeting the stringent operational demands of modern manufacturing facilities.