Available. The Mitsubishi MR-J3-40B is a high-performance servo amplifier from the MELSERVO-J3 series, designed for precise control in industrial automation applications. With a rated output of 0.4 kW, it supports both three-phase AC200–230V and single-phase AC200–230V power supplies, offering flexibility for various installation environments. The MR-J3-40B utilizes the SSCNETⅢ interface, enabling high-speed, synchronized communication between the servo amplifier and control devices, ensuring precise coordination in multi-axis systems. It features a built-in dynamic brake for rapid motor stopping, enhancing safety and performance. The servo amplifier operates efficiently with a control circuit power consumption of 30W and an I/O interface current of 150mA. Designed for durability, it functions within an ambient temperature range of 0–55°C and relative humidity up to 90% (non-condensing), making it suitable for diverse industrial settings. The MR-J3-40B is ideal for applications requiring high precision and reliability, such as robotic systems, precision machinery, and automated production lines.