Product Description:

The MDD025C-N-100-N2K-040MF0 is a miniature synchronous servo motor built by Bosch Rexroth Indramat for the MDD Synchronous Motors series. Working with digital drive controllers, it provides closed-loop rotary motion so automated pick-and-place units, small actuators, or indexing tables can hold speed and position with minimal overshoot. Its compact form suits installations where fast response and limited mounting space are more important than high continuous output from a larger frame.

This model delivers a continuous standstill torque of 0.90 Nm, allowing it to maintain load without overheating when the shaft is locked. Its rotor is rated for a nominal mechanical speed of 10000 rpm, matching high-throughput machines that require rapid acceleration and short cycle times. Feedback precision is provided by an integrated absolute encoder, while coarse position detection during startup comes from the complementary resolver feedback channel. Because the unit is supplied without a blocking brake, systems that need static holding torque must rely on the drive’s torque mode or an external clamp. Standard dynamic balancing limits vibration at elevated speed, and the C motor length code indicates the stack height used to reach the listed torque without adding unnecessary mass. A standard housing encloses the stator and windings, and there is no shaft seal, so the installation area must be protected from coolant spray and dust intrusion.

The front-flange centering boss measures 40 mm in diameter so the motor seats concentrically on gearboxes or adapter plates. Power and feedback conductors exit to the right side, a layout that can keep cable loops clear of nearby axes in tightly packed assemblies. The factory-fitted connecting cable with coupling unit simplifies plug-in assembly and helps preserve shield continuity. A keyway is cut into the single-ended shaft to transmit torque without slippage, and the absence of a side-B extension keeps the overall length compact. Motor size code 025 identifies the frame envelope used for this model within the series.