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 A1ADP-SP MITSUBISHI MR-J2-40A MITSUBISHI FR-A540-15K-EC Mitsubishi FX0N-65EC Mitsubishi FX2N-32ET-ESS/UL