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 FR-A540-0.75K-EC Mitsubishi FX2N-48ER-ES/UL MITSUBISHI A1ADP-SP MITSUBISHI MR-J2-40A MITSUBISHI FR-A540-22K MITSUBISHI FX0-20MR-ES