Mitsubishi MR-J4-200B4 Description Description Mitsubishi Digital AC-Servo Amplifier MR-J4-B for Rated Motor Power up to 2000 W (400V) Related products MITSUBISHI A2NCPU MITSUBISHI FX1N-40MR-DS MITSUBISHI A1SX81 MITSUBISHI MR-J2-40A MITSUBISHI A1ADP-SP Mitsubishi FX2N-32ER-ES/UL