Mitsubishi MR-J4-500B4-RJ020 Description Description Mitsubishi Digital AC-Servo Amplifier MR-J4-B, for Motor Power 5 kW (400), MR-J2S comp. Related products Mitsubishi FX2N-32ET-ESS/UL Mitsubishi FX2N-48ER-DS MITSUBISHI FR-PU04 Mitsubishi FX2N-16EYR-ES/UL MITSUBISHI A2NCPU Mitsubishi FX2N-48ER-ES/UL