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 FX2N-32ET-ESS/UL MITSUBISHI Q02HCPU MITSUBISHI E1071 Mitsubishi FX2N-16EYT-ESS/U Mitsubishi FX2N-48ER-DS Mitsubishi FX0N-65EC