MDD090C-N-030-N2L-A110GB0

MDD Synchronous Motors

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The MDD090C-N-030-N2L-A110GB0 motor from Bosch Rexroth Indramat is part of the MDD Synchronous Motors series. It offers continuous torque at standstill of 10.4 Nm, a nominal speed of 3000 min⁻¹, motor size 090 and length code C. The motor features digital servo feedback (DSF) and a 110 mm centering diameter, driving loads via a plain output shaft. Designed as a motor for digital drive controllers, it has standard balancing and housing.

Technical Specifications

Balancing
Standard

Housing
Standard

Motor Feedback
Digital servo feedback (DSF)

Continuous Torque at Standstill
10.4 Nm

Motor Length Code
C

Motor Size
090

Nominal Speed
3000 min⁻¹

Product Type
Motor for digital drive controllers

Shaft End
Standard (without side B shaft end)

Blocking Brake
Without Blocking Brake

Centering Diameter
110 mm

Output Shaft
Plain Shaft

Frequently Asked Questions

What is the significance of 10.4 Nm continuous torque “at standstill”?

That value means the motor can hold a static load without movement under steady state conditions; it does not imply pointing instantaneous dynamic torque under acceleration (which is higher). The drive and supply system must support extra current headroom to exploit peak torque above that.

How does the 3000 rpm nominal speed affect the usable torque curve?

Above the base speed, torque will drop as the motor runs in field-weakening mode, so the system must be designed to stay mostly below or near nominal to maintain full torque. In practice, motion profiles should avoid long high-speed segments if torque demand is high.

What thermal constraints arise from being “standard housing” without a brake?

Without a built-in brake, you must manage heat dissipation exclusively through natural convection and surface conduction over the standard housing. In continuous high load or confined spaces, extra cooling or thermal management (e.g. fins, external cooling plates) may be necessary.

How does the lack of a blocking brake impact system safety or motion holding?

Without a mechanical brake, the motor cannot hold a load during power loss; any holding must be managed via control algorithms (e.g. torque hold) or external brakes. For B2B and industrial settings, that often means adding a separate safety brake for vertical axes or critical moves.

What real-world issues may arise when integrating this in a CNC or packaging line?

In these settings, coupling backlash, cable routing, and motor resonances often dominate performance more than theoretical torque; careful mechanical design and isolation are crucial. Also ensure peak current surges (e.g. during sudden stops or torque reversals) are accommodated by supply reserves.

Common Misspellings

Internal Product Review

The MDD090C-N-030-N2L-A110GB0 motor from Bosch Rexroth is a standard digital servo motor built for digital drive controllers. It delivers 10.4 Nm continuous torque at standstill with a nominal speed of 3000 rpm and uses digital servo feedback. This motor is commonly used in robotics, packaging lines, and CNC machinery for precision motion tasks.