MITSUBISHI MR-J2S-350B4 AC Servo Amplifier 3.5kW 200V, reference form MITSUBISHI ELECTRIC MR-J2S-350B4, ready to replace your defective part and to be installed on your CNC machine tools. Each MR-J2S-350B4 has been tested on dedicated test rigs before shipment and has a 24 months warranty.