Mitsubishi MR-J4-40B-RJ020 Description Description Mitsubishi Digital AC-Servo Amplifier MR-J4-B, for Motor Power 400 W, MR-J2S comp. Related products Mitsubishi FX0N-65EC MITSUBISHI A3ACPUR21 Mitsubishi FX2N-48ET-ESS/UL Mitsubishi FX2N-16EYT-ESS/U MITSUBISHI E1071 Mitsubishi FX2N-16EYR-ES/UL