Mitsubishi MR-J4-500B Description Description Mitsubishi Digital AC-Servo Amplifier MR-J4-B for Rated Motor Power up to 5000 W Related products MITSUBISHI A2NCPU MITSUBISHI MR-J2-40A MITSUBISHI A1SX81 MITSUBISHI FX0-30MR-ES Mitsubishi FX2N-32ET-ESS/UL Mitsubishi FX2N-32ER-ES/UL