Mitsubishi MR-J4-60B4-RJ020 Description Description Mitsubishi Digital AC-Servo Amplifier MR-J4-B, for Motor Power 600 W (400), MR-J2S comp. Related products Mitsubishi FX2N-48ET-ESS/UL Mitsubishi FX2N-48ER-ES/UL Mitsubishi FX0N-65EC MITSUBISHI FR-PU04 MITSUBISHI A1SX81 Mitsubishi FX2N-32ET-ESS/UL