Available. The Mitsubishi MR-J4-20B is a digital AC servo amplifier designed for precise motion control in industrial automation applications. Part of the MELSERVO-J4 series, it offers a rated output of 0.2 kW and is compatible with both three-phase and single-phase 200 V to 240 V AC power supplies. This versatility makes it suitable for a wide range of machinery requiring high-performance servo control. The MR-J4-20B features a speed frequency response of 2.5 kHz, achieved through Mitsubishi's advanced high-speed servo control architecture. This, combined with a high-resolution absolute position encoder providing 4,194,304 pulses per revolution, ensures fast and accurate operation, maximizing the performance of high-end machines. Additionally, the amplifier supports the SSCNET III/H communication protocol, enabling high-speed data transmission and improved system responsiveness. The one-touch tuning function simplifies servo gain adjustments, including machine resonance suppression and advanced vibration suppression control, enhancing machine performance. With a compact design measuring 40 mm in width, 168 mm in height, and 135 mm in depth, and weighing approximately 0.8 kg, the MR-J4-20B is ideal for applications where space and weight are critical considerations. Its robust construction and advanced features make it a reliable choice for demanding industrial environments.