Mitsubishi MR-J4-20B Description Description Mitsubishi Digital AC-Servo Amplifier MR-J4-B for Rated Motor Power up to 200 W Related products MITSUBISHI E1071 MITSUBISHI FR-PU04 MITSUBISHI A1SX81 Mitsubishi FX0N-65EC Mitsubishi FX2N-48ET-ESS/UL MITSUBISHI AJ71E71-S3