Mitsubishi MR-J4-40B-RJ Description Description Mitsubishi Digital AC-Servo Amplifier MR-J4-B, for Motor Power 400 W, RJ type Related products MITSUBISHI FX0-20MR-ES Mitsubishi FX2N-48ER-ES/UL Mitsubishi FX2N-16EYR-ES/UL Mitsubishi FX2N-48ER-DS MITSUBISHI FR-A540-0.75K-EC Mitsubishi FX2N-32ER-ES/UL