MR-J Series is Mitsubishi Electric's flagship family of high-performance servo systems. Their newest generation is a culmination of two decades of research and development, technological advancements and product refinements. The MR-J4 is the fastest servo in the world, with a blazing 2500 Hz frequency-response speed time. This feature reduces settling times to less than 2ms., maximizing machine performance and throughput for machine builders and end users.