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 FX2N-48ER-ES/UL MITSUBISHI A1ADP-SP MITSUBISHI E1071 MITSUBISHI A3ACPUR21 MITSUBISHI FX0-20MR-ES Mitsubishi FX2N-16EYT-ESS/U