Mitsubishi MR-J4-60B4-RJ020 Description Description Mitsubishi Digital AC-Servo Amplifier MR-J4-B, for Motor Power 600 W (400), MR-J2S comp. Related products MITSUBISHI FR-A540-22K MITSUBISHI FX1N-40MR-DS MITSUBISHI FX0-30MR-ES MITSUBISHI Q02HCPU Mitsubishi FX2N-16EX-ES/UL Mitsubishi FX2N-48ER-ES/UL