MITSUBISHI MDS-B-V1-90 Servo Drive Unit 9kW, reference form MITSUBISHI ELECTRIC MDS-B-V1-90, ready to replace your defective part and to be installed on your CNC machine tools. Each MDS-B-V1-90 has been tested on dedicated test rigs before shipment and has a 24 months warranty. REPLACED WITH MDS-B-V1-90.