Description:

The Mitsubishi MR‑J4‑500B‑RJ servo drive is a high‑performance motion control amplifier used in industrial automation to precisely control AC servo motors for speed, torque, and position. Commonly installed in CNC machines, packaging systems, robotics, and automated production lines to enable accurate, responsive motion. Maintenance teams and system integrators use this servo drive for machine upgrades, retrofits, and replacement of failed or obsolete servo amplifiers.

Applications:

The Mitsubishi MR‑J4‑500B‑RJ servo drive is widely used in motion control applications requiring advanced feedback control and dynamic performance. It is commonly found in machining centers, gantry systems, pick‑and‑place equipment, material handling conveyors, and robotic axes where coordinated motion and high‑speed responsiveness are critical to production quality and throughput.

Technical Specifications:

• Model: MR‑J4‑500B‑RJ
• Drive type: AC servo amplifier / servo drive
• Series: Mitsubishi MELSERVO‑J4
• Rated output power: 5.0 kW class
• Input voltage: 200–230 VAC, three‑phase
• Output current: Rated to match servo motor class
• Control method: Pulse train or network (SSCNET‑III/H) communication
• Feedback: High‑resolution encoder feedback support
• Cooling: Forced air (built‑in fan)
• Mounting: Panel/cabinet mount
• Protection: Overcurrent, overvoltage, overtemperature safeguards
• Indicators: Status and fault LEDs
• Designed for: High‑precision servo motion control

Common Replacements:

• Mitsubishi MR‑J4‑500B
• Mitsubishi MDS‑B‑SVJ2‑40 servo drive
• Yaskawa SGDM‑75ADA-series