Mitsubishi MR-J4-100B-RJ020 Description Description Mitsubishi Digital AC-Servo Amplifier MR-J4-B, for Motor Power 1 kW, MR-J2S comp. Related products MITSUBISHI FR-PU04 MITSUBISHI FR-A540-22K Mitsubishi FX0N-65EC MITSUBISHI FR-A540-0.75K-EC MITSUBISHI E1071 Mitsubishi FX2N-48ET-ESS/UL