Mitsubishi MR-J4-70B-RJJ001 AC Servo Amplifier for MELSERVO MR-J4

The Mitsubishi MR-J4-70B-RJJ001 (MR-J4-70B-RJJ001) is an AC motion servo amplifier from the MELSERVO MR-J4 series, engineered for high-precision industrial motion control applications. Equipped with SSCNET III/H optical communication capability, this servo drive facilitates fast, deterministic multi-axis synchronization and seamless system integration with compatible controllers. The unit is designed for three-phase AC input operation with a rated voltage range of 380 V to 480 V AC. Featuring an IP20 degree of protection, the drive is rated for reliable operation in ambient operating temperatures ranging from 0 °C to +55 °C. As part of Mitsubishi Electric's advanced MELSERVO-J4 family, it provides high-speed response, exceptional accuracy, and smooth motion profiles for demanding automation requirements. Common industrial applications include automated assembly systems, packaging machinery, CNC machine tools, and material handling systems. The MR-J4-70B-RJJ001 provides dependable drive control and optical bus connectivity for modern automation architectures.