Mitsubishi MR-J4-350B-RJ Servo Amplifier for MELSERVO MR-J4 Series

The Mitsubishi MR-J4-350B-RJ (MR-J4-350B-RJ) is a high-performance servo amplifier drive engineered for precision motion control within the Mitsubishi MELSERVO MR-J4 product line. Operating as an advanced inverter drive system, this unit provides precise speed, torque, and position management for compatible industrial servo systems and machinery. It features UL Type 1 certification and delivers an operational capacity rated at 15 horsepower. Electrically, the unit is configured for three-phase input power between 380 V AC and 480 V AC at 50/60 Hz, supporting an input current rating of 52 A. The drive delivers a three-phase output voltage up to a maximum of 380 V AC to 480 V AC across an output frequency span of 1.2 Hz to 400 Hz. Built for rigorous industrial manufacturing environments, the MR-J4-350B-RJ delivers dependable velocity regulation and dynamic response. It is widely utilized across packaging machinery, automated assembly systems, converting lines, and multi-axis CNC machine tools requiring reliable power conversion and robust motor drive control.