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-16EYT-ESS/U MITSUBISHI FX1N-40MR-DS MITSUBISHI A985GOT-TBA-EU MITSUBISHI FR-PU04 Mitsubishi FX2N-16EX-ES/UL MITSUBISHI A2NCPU