Product Description:

The MDD025A-N-100-N2K-040FL1 is a synchronous servo motor manufactured by Bosch Rexroth Indramat and included in the MDD Synchronous Motors series. It is built for connection to digital drive controllers, where it converts controlled three-phase power into repeatable rotary motion for indexing tables, compact actuators, or light spindle assemblies in industrial automation. The motor is suited to applications that require fast speed changes, stable low-inertia response, and accurate feedback handling within compact machine layouts. Compact mechanical dimensions, together with integrated feedback and an integrated brake, allow the motor to fit tightly inside multi-axis machines without external holding devices or excess wiring.

At rated supply, the motor reaches a nominal speed of 10,000 rpm, enabling short positioning times in equipment that must follow rapid command sequences. During static holding, it produces 0.33 Nm of continuous torque while remaining within thermal limits. For emergency stops or vertical axes, the blocking brake supplies 1.0 Nm of torque and is applied automatically when power is removed. Mounting accuracy is aided by the 40 mm centering diameter and the factory-applied standard balance grade, which help limit radial runout and vibration across the speed range. The standard housing supports convection cooling, and the 025 frame with the short A length keeps total mass low when the motor is coupled directly to small gear stages or precision lead screws.

Electrical and feedback interfaces are routed to the left side, where a sealed connector carries power, brake, and signal conductors in a single plug to simplify wiring. Rotor angle is relayed to the drive through resolver feedback, supporting closed-loop current, velocity, and position regulation during changes in speed and load. Mechanical power exits through a plain shaft, and because the design is delivered without a shaft seal, the installation must prevent coolant or oil from reaching the front bearing seat.