MDD025A-N-100-N2K-040PE0

MDD Synchronous Motors

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The MDD025A-N-100-N2K-040PE0 motor from Bosch Rexroth Indramat belongs to the MDD Synchronous Motors series. It features an integrated absolute encoder, resolver feedback for high precision, and a centering diameter of 40 mm. Its continuous torque at standstill is 0.33 Nm with a nominal speed of 10000 min-1 and standard housing. The keyway shaft is sealed and it connects via a left-oriented coupling cable.

Technical Specifications

Balancing
Standard

Holding Brake
Without blocking brake

Centering Diameter
40 mm

Housing
Standard

Encoder
Integrated absolute encoder

Motor Feedback
Resolver feedback

Continuous Torque at Standstill
0.33 Nm

Motor Length Code
A

Motor Size
025

Nominal Speed
10000 min⁻¹

Shaft Seal
With shaft seal

Shaft Type
keyway

Connection Direction
Left

Connection Type
Connecting cable with coupling unit

Product Type
Motor for digital drive controllers

Shaft End
Standard (without side B shaft end)

Frequently Asked Questions

The shaft has a keyway—what does that imply for couplings and load transfer?

A keyed shaft simplifies positive torque transmission but still requires correctly sized compliant couplings to limit bearing loads. Follow the series’ radial/axial load curves and apply the force at the recommended distance from the shaft shoulder.

Does the left-oriented connecting cable change panel layout or EMC practices?

Yes—plan cable entry and bend radii so the feedback and power leads keep separation and shielding continuity to the drive. The series uses standardized sealed connectors; maintain shield 360° termination at both motor and cabinet to meet EMC

What drive families are typically paired with MDD motors, and why?

MDD motors are designed for Rexroth/Indramat digital drives (e.g., DDC/DKS/DDS), which natively support their feedback and commutation. Those controllers include setup guidance for load torque limits, regen handling, and safety testing

How should I think about continuous torque at standstill of 0.33 Nm in real applications?

It indicates the unit is optimized for high-speed, low-inertia axes like small pick-and-place, feeders, or light robotic joints rather than heavy linear loads. Verify duty cycles and keep rapid-traverse load torque below the drive’s recommended percentage of motor capability.

For B2B packaging and robotics lines, what integration checks minimize downtime?

Confirm feedback polarity and electrical phasing during first power-up, then run the drive’s axis tests to validate regen energy handling and overvoltage margins. Document shaft-load compliance for your pulley/pinion geometry against the series curves.

Common Misspellings

Internal Product Review

The MDD025A-N-100-N2K-040PE0 motor by Bosch Rexroth Indramat is designed for digital drive controllers. It features an integrated absolute encoder and resolver feedback, delivering a continuous torque of 0.33 Nm with a nominal speed of 10,000 RPM. This motor is suitable for use in robotics, automation, and packaging systems.