Mitsubishi MR-J4-700B-RJ Servo Amplifier for MELSERVO MR-J4 Series

The Mitsubishi MR-J4-700B-RJ (MR-J4-700B-RJ) is an AC motion servo amplifier drive engineered for high-precision positioning and dynamic speed control within Mitsubishi Electric MELSERVO MR-J4 automation systems. Serving as an essential component in industrial motion control setups, this servo drive coordinates seamlessly with Mitsubishi motion controllers and servo motors via high-speed optical SSCNET III/H networking. It also supports CC-Link communication interfaces and provides safety unit compatibility to ensure reliable and compliant operation across complex machine architectures. Designed for demanding factory automation applications, the drive includes an integrated dynamic brake and built-in braking resistor to manage regenerative energy and facilitate secure stops. The unit accommodates an input supply voltage of 200 to 240 V AC or 283 to 340 V DC in single-phase or three-phase configurations. It features an IP20 degree of protection and is rated to operate reliably within an ambient temperature range of 0 to +55 degrees Celsius. Typical applications include packaging machinery, material handling systems, multi-axis machine tools, assembly automation, and advanced manufacturing lines requiring dependable motion coordination.