Mitsubishi HK-KT203WJ AC Servo Drive Unit MELSERVO J4 55kW 400V SSCNET III/H

The Mitsubishi HK-KT203WJ is an AC servo drive and motion amplifier unit belonging to the MELSERVO J4 series. It delivers a rated output of 55 kilowatts at a rated current of 143 amperes and operates in the 400-volt class. The unit is powered by an external converter unit and features SSCNET III/H high-speed fiber-optic communication capability, enabling fast and reliable data exchange within multi-axis servo systems. It also offers compatibility with safety units, supporting functional safety architectures in demanding automation environments. This servo drive is equivalent to the MR-J4-DU55KB4-RJ model designation and is designed for high-power servo applications in CNC machinery, material handling, packaging, and other advanced motion control systems. The SSCNET III/H interface allows seamless integration with Mitsubishi motion controllers for synchronized multi-axis operation. The MELSERVO J4 platform is recognized for its high-speed response, precise positioning, and energy-efficient operation, making this drive a suitable replacement or spare part for installations requiring reliable high-output servo amplification.