BrandIndramatBosch Rexroth · Indramat

MAC112 Series · C-length model

MAC112C Indramat AC servo motor

MAC112C is the C-length package within the MAC112 legacy analog ac servo motor range. The model prefix fixes the 112 frame and C motor length, but the winding, cooling, feedback, centering, shaft, connector and brake fields still determine the complete replacement.

The planning manual’s K-series winding code row documents 28 Nm continuous torque at standstill and 31 A continuous current at a nominal 1,500 rpm winding. Those values describe that published operating row—not every complete MAC112C part number.

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Product identificationMAC112C

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

Known exact part-number variations

MAC112C exact part numbers

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MAC112C-0-HD-2-C/130-B-0

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MAC112C-0-ED-3-C/130-A-1

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MAC112C-0-HD-2-C/180-B-0/S003

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MAC112C-0-ED-3-C/130-A-0/S005

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MAC112C-0-ED-4-C/130-A-0/WI520LV/S005

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MAC112C-0-ED-4-C/130-A-0/WI538LV

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MAC112C-0-KD-3-C/130-A-0/S005

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MAC112C-0-EG-3-F/130-B-1

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MAC112C-0-HD-2-C/130-A-0

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MAC112C-0-HD-3-C/180-A-2/S019

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MAC112C overview

MAC112C is the C-length MAC112 servo motor. Baseline dimension A is 460 mm. The complete suffix determines winding, cooling, feedback, shaft and brake choices.

Model-specific technical data

K-series winding code manual snapshot

Source: MAC project planning manual, Fig. 7.1, page 118. 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: MAC112C
Motor platform: Legacy analog AC servo motor
Motor length: C designation
Baseline dimension A: 460 mm
Reference winding row: K-series winding code
Reference nominal speed: 1,500 rpm
Continuous torque at standstill: 28 Nm natural convection / 44 Nm surface cooled
Continuous current at standstill: 31 A natural convection / 49 A surface cooled
Maximum peak pulse current: 141 A
Rotor inertia: 170 × 10⁻⁴ kg·m²
Thermal time constant: 100 min natural · 75 min surface cooled
Published motor mass: 48 kg
Published nominal speeds: 1,500 rpm · 2,000 rpm · 3,000 rpm · 5,000 rpm
Centering diameter: 130 mm standard · 180 mm special
Output shaft diameter: 32 mm
Shaft styles: Plain shaft · Keyed shaft

Dimensions, winding and cooling

Mechanical interface and speed

Shaft, flange, centering and winding choices

03

Shaft & flange

32 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

130 mm standard · 180 mm special

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

05

Available speeds

1,500 rpm · 2,000 rpm · 3,000 rpm · 5,000 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
Second shaft end or mounted encoder 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
14 Nm holding brake
40 Nm or 60 Nm options except MAC112A

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

112

Motor frame / size

03

C

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

130 mm standard or 180 mm special

08

Shaft / connector / brake

Physical interface and holding option

09

Special suffix

Factory special design, when present

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Other MAC112 motor lengths

A-length · 310 mmMAC112A10.7 Nm reference torque · 25 kg B-length · 385 mmMAC112B18.2 Nm reference torque · 36 kg C-length · 460 mmMAC112C28 Nm reference torque · 48 kg D-length · 535 mmMAC112D38 Nm reference torque · 59 kg

← Return to all MAC series and models

Model-level planning-manual referenceFig. 7.1 · page 118

MAC 112 section; available options on manual page 135. 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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