Mitsubishi MR-J4-40B-RJ Description Description Mitsubishi Digital AC-Servo Amplifier MR-J4-B, for Motor Power 400 W, RJ type Related products MITSUBISHI MR-J2-40A MITSUBISHI FR-A540-0.75K-EC Mitsubishi FX2N-16EX-ES/UL MITSUBISHI MDS-A-SPJ-22 MITSUBISHI FR-A540-15K-EC MITSUBISHI FX0-30MR-ES