Mitsubishi MR-J4-20B-RJ020 Description Description Mitsubishi Digital AC-Servo Amplifier MR-J4-B, for Motor Power 200 W, MR-J2S comp. Related products MITSUBISHI FR-A540-22K MITSUBISHI A1SX81 Mitsubishi FX2N-16EYT-ESS/U Mitsubishi FX2N-16EX-ES/UL MITSUBISHI FR-PU04 MITSUBISHI MDS-A-SPJ-22