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 FX2N-16EX-ES/UL MITSUBISHI FX1N-40MR-DS MITSUBISHI FX0-20MR-ES Mitsubishi FX2N-16EYT-ESS/U MITSUBISHI FR-PU04 Mitsubishi FX2N-32ER-ES/UL