Mitsubishi MR-J4-22KB4J-(B) AC Servo Amplifier for MELSERVO-J4

The Mitsubishi MR-J4-22KB4J-(B) (MR-J4-22KB4J-(B)) is a high-capacity AC servo amplifier engineered for precision motion control within the Mitsubishi MELSERVO-J4 drive family. Built to deliver an output capacity of 22.0 kW with a 400 V three-phase power supply, this drive is suited for demanding industrial automation machinery that requires dynamic speed, torque, and positioning control. The unit integrates the advanced SSCNET III/H high-speed optical network communication interface, enabling synchronized multi-axis coordination, rapid bus cycle times, and enhanced noise immunity across optical fiber connections. Designed for heavy-duty multi-axis system configurations, this MELSERVO-J4 amplifier supports seamless integration with compatible motion controllers and high-power servo motors. It is commonly deployed in complex manufacturing systems, including packaging equipment, textile machinery, converting lines, CNC machine tools, and automated material handling systems. With its robust drive logic, the amplifier maintains precise operation while reducing wiring complexity through optical networking. The MR-J4-22KB4J-(B) provides reliable operation and straightforward replacement for industrial plant maintenance and automation upgrades.