BrandIndramatBosch Rexroth · Indramat

MAC090 Series · A-length model

MAC090A Indramat AC servo motor

MAC090A is the A-length package within the MAC090 legacy analog ac servo motor range. The model prefix fixes the 090 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 Z-series winding code row documents 3.7 Nm continuous torque at standstill and 8.1 A continuous current at a nominal 2,000 rpm winding. Those values describe that published operating row—not every complete MAC090A part number.

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Product identificationMAC090A

Match the complete nameplate, including every suffix. Ask Litco for current photos of the unit being quoted.

Known exact part-number variations

MAC090A exact part numbers

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MAC090A-0-ZD-2-C/110-B-0

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MAC090A-0-RD-2-C/110-A-0

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MAC090A-0-RD-3-C/110-A-0/S001

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MAC090A-0-RD-4-C/110-A-0/S01

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MAC090A-0-RD-2-C/110-A-1

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MAC090A-0-RD-4-C/110-A-0/WI518LV/S001

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MAC090A-0-RD-4-C/110-A-0/WI520LV/S001

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MAC090A-0-RD-4-C/110-A-0/MR121/S001

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MAC090A-0-RD-1-B/110-A-0/I00625/S001

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MAC090A-0-RD-2-C/110-A-0/S001

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MAC090A-0-RD-3-C/110-B-0/S001

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MAC090A-0-RD-4-C/110-A-0/MR121

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MAC090A-0-RD-4-C/110-A-0/WI520LV

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MAC090A-0-RD-4-C/110-A-0/WI520LX/S001

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MAC090A-0-RD-4-C/110-A-0/WI522LV

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MAC090A-0-RD-4-C/110-B-1/WI524LV/S001

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MAC090A-0-ZD-1-B/110-A-0/I625/S01

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MAC090A-0-ZD-2-C/110-A-0/S005

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MAC090A-0-ZD-2-C/110-A-1/S001

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MAC090A-0-ZD-2-C/110-B-1/S005

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MAC090A-0-ZD-4-C/110-A-0/J625/S01

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MAC090A-0-ZD-4-C/110-A-0/WI522LV/S001

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MAC090A-0-ZD-4-C/110-B-0/WI518LV/S001

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MAC090A-1-RD-1-B/110-A-1/J625

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MAC090A overview

MAC090A is the A-length MAC090 servo motor. Baseline dimension A is 277 mm. The complete suffix determines winding, cooling, feedback, shaft and brake choices.

Model-specific technical data

Z-series winding code manual snapshot

Source: MAC project planning manual, Fig. 5.1, page 80. 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: MAC090A
Motor platform: Legacy analog AC servo motor
Motor length: A designation
Baseline dimension A: 277 mm
Reference winding row: Z-series winding code
Reference nominal speed: 2,000 rpm
Continuous torque at standstill: 3.7 Nm natural convection / 5 Nm surface cooled
Continuous current at standstill: 8.1 A natural convection / 10.9 A surface cooled
Maximum peak pulse current: 53 A
Rotor inertia: 20 × 10⁻⁴ kg·m²
Thermal time constant: 45 min natural · 30 min surface cooled
Published motor mass: 12.5 kg
Published nominal speeds: 2,000 rpm · 3,000 rpm
Centering diameter: 110 mm standard · 130 mm special
Output shaft diameter: 24 mm
Shaft styles: Plain shaft · Keyed shaft

Dimensions, winding and cooling

Mechanical interface and speed

Shaft, flange, centering and winding choices

03

Shaft & flange

24 mm 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

110 mm standard · 130 mm special

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

05

Available speeds

2,000 rpm · 3,000 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
Axial blower
Radial blower

External or surface-cooling arrangements can change the installed envelope and are not interchangeable from the model name alone.

Feedback

Keep the drive’s position and speed signal compatible

Tachometer feedback
Incremental encoder and second-shaft options by type code

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

Holding brake

Match the installed holding requirement

Without holding brake
6.5 Nm holding brake
14 Nm holding brake

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

MAC

Motor family for analog drives

02

090

Motor frame / size

03

A

Motor-length and torque package

04

Cooling field

Natural convection or an axial/radial blower arrangement

05

Winding field

Nominal-speed and winding configuration

06

Feedback field

Tachometer feedback plus any shaft or mounted encoder option

07

Centering field

110 mm standard or 130 mm special

08

Shaft / connector / brake

Physical interface and holding option

09

Special suffix

Factory special design, when present

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Other MAC090 motor lengths

A-length · 277 mmMAC090A3.7 Nm reference torque · 12.5 kg B-length · 342 mmMAC090B7.2 Nm reference torque · 18 kg C-length · 407 mmMAC090C10.4 Nm reference torque · 23 kg

← Return to all MAC series and models

Model-level planning-manual referenceFig. 5.1 · page 80

MAC 090 section; available options on manual page 95. Published choices do not prove present inventory or that every option can be combined. Confirm the complete type code before replacement.

Open Original Manual ↗