Product Description:

The MDD025C-N-100-N2K-040FA0 is a synchronous servo motor manufactured by Bosch Rexroth Indramat and included in the MDD Synchronous Motors series. Delivered as a motor for digital drive controllers, it translates drive-level current into rotational motion for compact positioning or velocity axes in industrial automation. The 025 frame size and C length code give a short axial package, while the standard housing and standard balancing grade maintain vibration limits required for precision equipment.

The mechanical interface begins with a centering flange that measures 40 mm in diameter, establishing concentric alignment between the motor and the mounting surface. When energized but motionless, the rotor delivers 0.90 Nm of continuous torque, a reference for sizing external gear stages and detent forces. At full excitation the motor can achieve a nominal speed of 10000 min⁻¹, enabled by the lightweight rotor stack characteristic of the C length configuration. Position information is returned to the drive by resolver feedback monitored through the integrated absolute encoder, ensuring immediate commutation after each power-up. Mechanical power is transmitted through a plain shaft, allowing press-fit couplings without key stress concentrations.

Electrical power, feedback, and grounding connections are routed on Side A through a sealed connector, so all cabling exits a single face of the motor for straightforward cable management. The unit comes without a blocking brake, so static holding must be supplied by the drive or external mechanics, an arrangement favored in high-speed spindles and continuously rotating axes. It is also supplied without a shaft seal; therefore, installation in clean, dry enclosures is recommended to prevent contaminant ingress along the shaft journal, completing a configuration optimized for low mass and high rotational speed.