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MAZAK Servo Drive
Brand: MAZAK -
Cat: Servo Drive
Code:MV4-200 W
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CNC Servo Drive – MAZAK MV4-200 W
The MV4-200 W is an electronic servo drive module for CNC control (“Servo Drive / Servo Amplifier”) manufactured by Mazak (Yamazaki Mazak Co., Ltd.), documented as the axis motion power amplifier in CNC vertical machining centres of the MV series (specifically the MV-4) equipped with the Mazatrol CNC control. The module integrates power amplification and speed/current regulation functions for the axis servo motor, interfacing with the Mazatrol CNC unit via a dedicated bus. The designation “200 W” denotes the nominal output power rating to the servo motor.
The servo drive is the electronic component that receives position and speed commands from the Mazatrol CNC unit and converts them into power current for the axis servo motor: it closes the position, speed, and current control loops, ensuring precision and repeatability in the machine’s movements. A drive failure causes immediate axis lock, a CNC alarm, and prevents any machining operation until the module is replaced or repaired.
Yamazaki Mazak Co., Ltd. is one of the world’s leading CNC machine tool manufacturers, founded in 1919 in Oguchi, Japan; it produces machining centres, CNC lathes, laser systems, and the proprietary Mazatrol numerical control. Components from the MV series of the 1980s–1990s are legacy / discontinued: availability is limited to the used market, NOS surplus stock, or through specialist repair services.
Main Technical Specifications
| Type | CNC servo drive – Axis power amplifier module (Servo Drive / Servo Amplifier) |
| Part number | MV4-200 W (MV4200W) |
| Brand | Mazak – Yamazaki Mazak Co., Ltd. |
| Known application | CNC vertical machining centre Mazak MV series (MV-4 and compatibles), Mazatrol control |
| Function | Power amplification and speed/current regulation for CNC axis servo motor |
| Rated power | ~200 W (from part number; verify on nameplate) |
| Supply voltage | ~200–230 V AC three-phase |
| Interfaces / Connectors | Dedicated connectors to Mazatrol CNC unit and axis servo motor; power terminal strip |
| CNC system | Mazatrol (T-2, M-2 or compatible variants for the MV series) |
| Weight | ~1–3 kg |
| Dimensions | ~150–300 mm |
| Production status | Legacy / discontinued — available as used, NOS surplus or through specialist repair only |
