Mitsubishi MR-J4-60B4-RJ Description Description Mitsubishi Digital AC-Servo Amplifier MR-J4-B, for Motor Power 600 W (400), RJ type Related products MITSUBISHI FX0-20MR-ES MITSUBISHI FX1N-40MR-DS Mitsubishi FX2N-16EX-ES/UL MITSUBISHI A2NCPU MITSUBISHI MR-J2-40A Mitsubishi FX2N-16EYR-ES/UL