Product Description:

The MDD025A-N-100-N2K-040FD0 is manufactured by Bosch Rexroth Indramat as part of the MDD Synchronous Motors series. Classified as a motor for digital drive controllers, it is installed in compact automation axes where rapid positioning and speed control are required. The unit’s frame size 025 and length code A give it a small physical footprint, while the standard housing and balancing scheme match general-purpose mounting arrangements found in pick-and-place modules, light gantries, and laboratory equipment. Its compact format also suits machines that need low moving mass and short travel distances.

This motor delivers a continuous standstill torque of 0.33 Nm, allowing the drive to hold or index light loads without overheating. A nominal speed of 10,000 rpm provides a wide velocity range for high-cycle processes that rely on fast acceleration. Mechanical alignment is guided by a centering diameter of 40 mm, and the power and feedback conductors exit on the back of the stator because the connection direction is side B. Electrical hookup is completed through a connecting cable with a coupling unit, simplifying removal during service. Standard dynamic balancing reduces vibration at full speed, and the rear cable exit helps keep wiring clear in narrow machine spaces.

An integrated absolute encoder supplies multiturn position data to the drive, while the secondary channel uses resolver feedback for real-time velocity control. Motion is transmitted through a plain shaft that is supplied without a shaft seal, so the installation area must already be free of coolant spray or dust ingress. The shaft end on side B is omitted, reducing overall length and eliminating unused protrusions in tight cabinets. Because the unit is built without a blocking brake, the application must rely on external locking mechanisms or drive-controlled holding torque if load holding during power-off is necessary.