Product Description:

The MDD025A-N-100-N2K-040PR1 is a small-frame synchronous motor built by Bosch Rexroth Indramat and supplied within the MDD Synchronous Motors series. It is intended for pairing with digital drive controllers where precise position and speed regulation are required in automated assembly stations, pick-and-place axes, or compact tooling spindles. Size code 025 with motor length code A gives the unit a short body that helps conserve mounting space and reduce overhung load on the bearings. Because it is a synchronous servo motor, it supports controlled motion where the drive must correct position error quickly and maintain steady speed under changing load.

The mechanical layout centers on a 40 mm locating pilot that fits standard machine flanges and maintains concentricity under dynamic load. Rotor mass is balanced to a standard level to help limit vibration during rapid acceleration. Power and feedback lines exit on the right side through a sealed connector, which helps routing in tight cabinets or crowded machine frames. The sealed line exit also reduces exposed connection length at the motor housing. The output shaft uses a keyway for torque transfer with conventional keyed couplings, and a shaft seal helps block coolant or dust from entering the front bearing. The housing uses standard construction, and the single-ended shaft arrangement leaves side B closed so the motor can sit closer to panels or adjacent mechanisms.

A continuous stall capacity of 0.33 Nm provides holding torque for light indexing duties without excessive heating. The motor can run at speeds up to 10000 rpm when supplied by a matching drive, supporting fast cycling on compact axes. For holding at rest, the integrated blocking brake provides 1.0 Nm of static torque to resist back-driving on vertical or load-biased mechanisms. Position data comes from an integrated absolute encoder, while the control loop uses resolver feedback for noise-resistant signal transmission. This arrangement supports repeatable starts, accurate low-speed control, and stable operation after power is restored.