Mitsubishi MR-J4-100B4 Description Description Mitsubishi Digital AC-Servo Amplifier MR-J4-B for Rated Motor Power up to 1000 W (400V) Related products MITSUBISHI FX0-20MR-ES Mitsubishi FX2N-32ER-ES/UL Mitsubishi FX2N-48ER-ES/UL Mitsubishi FX2N-48ER-DS MITSUBISHI FR-PU04 MITSUBISHI MR-J2-40A