Mitsubishi MR-J4-15KB4-RJ020 Description Description Mitsubishi Digital AC-Servo Amplifier MR-J4-B, for Motor Power 15 kW (400), MR-J2S comp. Related products MITSUBISHI FX1N-40MR-DS Mitsubishi FX2N-16EYR-ES/UL MITSUBISHI A2NCPU MITSUBISHI FR-A540-22K Mitsubishi FX2N-16EX-ES/UL MITSUBISHI E1071