Mitsubishi MR-J4-20B Description Description Mitsubishi Digital AC-Servo Amplifier MR-J4-B for Rated Motor Power up to 200 W Related products Mitsubishi FX0N-65EC MITSUBISHI FR-A540-15K-EC Mitsubishi FX2N-48ER-DS MITSUBISHI FR-A540-0.75K-EC Mitsubishi FX2N-16EX-ES/UL MITSUBISHI AJ71E71-S3