Mitsubishi MR-J3-100B Servo Drive MRJ3100B

Description:

The Mitsubishi MR-J3-100B servo drive is used in industrial motion control systems to precisely regulate speed, torque, and position of compatible servo motors. Commonly installed in CNC machines, packaging equipment, robotics, and automated production lines across manufacturing environments. Maintenance teams and system integrators use this drive for system repairs, retrofits, and replacement of failed or outdated servo amplifiers.

Applications:

The Mitsubishi MR-J3-100B servo drive is widely used in automation systems requiring high-performance motion control and responsive positioning. It is commonly found in CNC machining centers, pick‑and‑place systems, automated assembly equipment, and material handling systems where consistent motion accuracy, fast response, and stability are critical to maintaining throughput and product quality.

Technical Specifications:

• Rated output power: 1.0 kW (radwell.com)
• Series: Mitsubishi MELSERVO‑J3
• Input voltage: 200–230 VAC, three‑phase
• Control method: Sinusoidal PWM / current control
• Dynamic braking: Built‑in
• Feedback: High‑resolution encoder support
• Command interface: Pulse, analog, and network options (model dependent)
• Protection: Overcurrent, overvoltage, overload, overspeed, encoder fault
• Cooling method: Forced air / natural convection (model variant)
• Mounting: Panel mount design
• Operating temperature: 0°C to 55°C
• Communication options: RS‑422/485, USB (depending on unit)

Common Replacements:

• Mitsubishi MR‑J4‑100B
• Mitsubishi MR‑J3‑100A
• Mitsubishi MR‑J3‑130B