Mitsubishi MR-J4-40B-RJ020 Description Description Mitsubishi Digital AC-Servo Amplifier MR-J4-B, for Motor Power 400 W, MR-J2S comp. Related products Mitsubishi FX2N-32ER-ES/UL Mitsubishi FX2N-16EX-ES/UL MITSUBISHI A1SX81 MITSUBISHI FX1N-40MR-DS Mitsubishi FX2N-48ET-ESS/UL Mitsubishi FX2N-16EYR-ES/UL