Mitsubishi MR-J4-500B-RJ020 Description Description Mitsubishi Digital AC-Servo Amplifier MR-J4-B, for Motor Power 5 kW, MR-J2S comp. Related products MITSUBISHI E1071 MITSUBISHI FR-A540-15K-EC Mitsubishi FX2N-16EX-ES/UL MITSUBISHI FX0-30MR-ES MITSUBISHI FR-PU04 Mitsubishi FX2N-32ER-ES/UL