Mitsubishi MR-J4-350B4-RJ020 Description Description Mitsubishi Digital AC-Servo Amplifier MR-J4-B, for Motor Power 3.5 kW (400), MR-J2S comp. Related products Mitsubishi FX2N-48ER-DS MITSUBISHI FX1N-40MR-DS Mitsubishi FX2N-32ER-ES/UL MITSUBISHI E1071 MITSUBISHI Q02HCPU MITSUBISHI FX0-20MR-ES