Mitsubishi MR-J4-500B4 Description Description Mitsubishi Digital AC-Servo Amplifier MR-J4-B for Rated Motor Power up to 5000 W (400V) Related products Mitsubishi FX2N-32ET-ESS/UL MITSUBISHI A1ADP-SP MITSUBISHI FX1N-40MR-DS Mitsubishi FX2N-48ER-DS MITSUBISHI A3ACPUR21 Mitsubishi FX2N-32ER-ES/UL