Mitsubishi MR-J4-500B-RJ020 Description Description Mitsubishi Digital AC-Servo Amplifier MR-J4-B, for Motor Power 5 kW, MR-J2S comp. Related products MITSUBISHI FX1N-40MR-DS Mitsubishi FX2N-32ET-ESS/UL Mitsubishi FX2N-16EYT-ESS/U MITSUBISHI FR-A540-22K Mitsubishi FX2N-48ER-ES/UL Mitsubishi FX0N-65EC