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BrandIndramatBosch Rexroth · Indramat
MDD041 Series · A-length model

MDD041A Indramat Digital AC servo motor

MDD041A is the A-length package within the MDD041 digital ac servo motor range. The model prefix fixes the 041 frame and A motor length, but the winding, cooling, feedback, centering, shaft, connector and brake fields still determine the complete replacement.

The planning manual’s MDD041A-N-100 row documents 0.64 Nm continuous torque at standstill and 3.2 A continuous current at a nominal 10,000 rpm winding. Those values describe that published operating row—not every complete MDD041A part number.

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Product identificationMDD041A

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MDD041A inventory items

Inventory records include a Finale catalog export dated 2026-10-23. Choose the complete item below to inquire or make an offer. Call to verify current stock, condition and quantity.

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Known exact part-number variations

MDD041A exact part numbers

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Send the complete type code and a clear nameplate photo. Litco can check the exact configuration, current availability and repair options.

MDD041A overview

MDD041A is the A-length MDD041 servo motor. Baseline dimension A is 178 mm. The complete suffix determines winding, cooling, feedback, shaft and brake choices.

Model-specific technical data

MDD041A-N-100 manual snapshot

Source: MDD project planning manual, Fig. 5.1, page 46. Nominal winding speed is not a universal maximum usable speed. Match the drive, load, cooling arrangement and complete suffix.

Continuous ratings use the manual’s 60 K housing-temperature-rise basis. Published motor mass excludes the holding brake and external cooling hardware.

Model
MDD041A
Motor platform
Digital AC servo motor
Motor length
A designation
Baseline dimension A
178 mm
Reference winding row
MDD041A-N-100
Reference nominal speed
10,000 rpm
Continuous torque at standstill
0.64 Nm without brake / 0.59 Nm with blocking brake
Continuous current at standstill
3.2 A natural convection
Theoretical maximum torque
3 Nm · drive dependent
Maximum current
14.4 A
Rotor inertia
0.7 × 10−4 kg·m²
Thermal time constant
25 min natural
Published motor mass
2.8 kg
Published nominal speeds
10,000 rpm
Centering diameter
50 mm
Output shaft diameter
14 mm (k6)
Shaft styles
Plain shaft · Keyed shaft
Dimensions, winding and cooling

Mechanical interface and speed

Shaft, flange, centering and winding choices

03

Shaft & flange

14 mm (k6) output shaft

Plain shaft and Keyed shaft are documented at series level. Match the flange drawing, shaft seal and hub connection before installation.

04

Centering diameter

50 mm

The centering choice is encoded in the complete part number and must match the machine flange or adapter.

05

Available speeds

10,000 rpm

These are published nominal-speed choices for this model. The winding code and selected drive determine the actual configuration.

Feedback, shaft and brake choices

Configuration choices

Cooling, feedback and holding brake

Cooling

Manage continuous load and machine clearance

  • Natural convection

This model is documented for natural convection; confirm that the installed machine provides the required airflow and ambient conditions.

Feedback

Keep the drive’s position and speed signal compatible

  • Resolver feedback
  • Resolver feedback with integrated impulse absolute encoder

Photograph the feedback connector and every suffix after the core model.

Holding brake

Match the installed holding requirement

  • Without holding brake
  • 1.2 Nm holding brake — confirm against the complete code

A blocking or holding brake is not a dynamic service brake. Check the published exclusion notes for the exact motor length.

Full type-code guide

Full part-number decoder

Read the tag from left to right

The decoder identifies what each field controls; it does not generate valid combinations. Use the factory type code and option exclusions as one record.

01

MDD

Motor for digital drive controllers

02

041

Motor frame / size

03

A

Motor-length and torque package

04

Housing design

Natural-convection or supported surface-cooling housing

05

Nominal-speed code

10,000 rpm

06

Balance / side-B fields

Balance class and standard design without a side-B shaft extension

07

Feedback field

Resolver feedback or Resolver feedback with integrated impulse absolute encoder

08

Centering field

50 mm

09

Shaft / connector / brake

Mechanical interface, connection direction and holding option

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Other MDD041 motor lengths

A-length · 178 mmMDD041A0.64 Nm reference torque · 2.8 kgB-length · 208 mmMDD041B1.35 Nm reference torque · 3.7 kgC-length · 238 mmMDD041C2.05 Nm reference torque · 4.6 kg
← Return to all MDD series and models
Model-level planning-manual referenceFig. 5.1 · page 46

MDD 041 technical and dimensional data, manual pages 46–52. Published choices do not prove present inventory or that every option can be combined. Confirm the complete type code before replacement.

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