R911284677 (MKD112C-058-KG0-BN)

MKD Synchronous Motors

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The R911284677 (MKD112C-058-KG0-BN) is a Bosch Rexroth servo motor designed for dynamic industrial applications. It features a plain shaft with shaft seal, resolver feedback with integrated encoder supporting absolute position detection beyond 4096 revolutions, and operates with a continuous torque of 38 Nm at standstill and a theoretical maximum torque of 148 Nm. The motor has a flange size of 192 mm and centering diameter of 130 mm. Its rated power is 3.9 kW, with a rated voltage of 148 V and maximum speed of 4000 rpm. The maximum peak current is 239 A, with a continuous current of 53.2 A and rated current of 15.2 A. Construction includes IP65 protection and insulation class F, with effective heat dissipation through the stator and continuous temperature monitoring via an embedded thermal sensor. The closed-loop feedback system enables precise positioning. The motor does not include a holding brake, can be installed up to 1000 m above sea level, and is specified for operation in ambient temperatures from 0 to +40°C.

Technical Specifications

Product Type
Servo Motor

Use
High dynamic requirements areas

Operating Duration
Long

Protection
Overheating

Design Feature
Effective heat dissipation from stators

Additional Feature
Installed thermal sensor

Top Speed
4000 rpm

Peak Current
239 A

Continuous Torque Standstill Mode
38 Nm

Continuous Current
53.2 A

Rated Current
15.2 Amp

Power Deliverance
3.9 kW

Rated Voltage
148 V

Maximum Setup Height
1000 m above sea level

Protection Standard
IP 65

Design
Brushless

Maintenance Requirement
Low

Service Life
Prolonged

Frequently Asked Questions

What are control implications of the 273.0×10⁻⁴ kg·m² rotor inertia when pairing MKD112C-058-KG0-BN with an IndraDrive?

The inertia achieves bandwidth and dictates the load-to-rotor ratio for stable tuning. Its jerk-limited profiles and appropriate velocity feed-forward to prevent excitation of structural modes during rapid indexing.

Why is a plain shaft with sealing ring and an IP65 enclosure appropriate for packaging/printing lines with airborne particulates or washdown splash?

The sealed shaft path and IP65 closed design resist dust ingress and incidental water jets for protecting bearings and feedback integrity. It reduces unplanned stops from contamination in converting, labeling and cartoning stations.

How do the 133–233 Hz rated frequency band and 4000-rpm characteristic speed shape drive setup on MKD112C-058-KG0-BN (winding code 058)?

They inform voltage utilization and field-weakening thresholds to configure current/voltage limits so half-torque is achievable at characteristic speed without saturation.

How do 38 Nm standstill torque, 148 Nm theoretical peak, and 239 A peak current translate into torque-per-amp for MKD112C-058-KG0-BN?

The peak 0.8 Nm/A class torque constant is used to estimate current demands during acceleration. It ensures the drive and cabling handle transient I²t without clipping motion profiles.

What alignment and coupling concerns arise from the Ø130 mm centering diameter and “C” motor length on MKD112C-058-KG0-BN?

The register controls concentricity to specify a low-backlash, torsionally stiff coupling with misalignment tolerance matching shaft fits. Its face-runout and pilot fit to keep residual radial load within bearing limits.

Common Misspellings

Internal Product Review

The MKD112C-058-KG0-BN servo motor from Rexroth comes equipped with a sealed plain shaft to attain an overall IP65 rating and it features class-F electrical insulation for dependable integration. Its resolver-based absolute feedback of 4096 revolutions sharpens servo loops. This motor offers 38 Nm standstill torque, 148 Nm peak and 4000-rpm characteristic speed to suit machine tools, packaging and printing automation.

1620 Old Apex Road
Cary, NC 27513, USA

Toll Free: 1-888-551-3082
International: 1-919-443-0207

Fax: 1-919-867-6204

[email protected]

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Indramat USA 1 Year Warranty

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North Carolina Office

Indramat USA
1620 Old Apex Road
Cary, NC 27513
USA

Phone

Toll Free: 1-888-551-3082
International: 1-919-443-0207

Indramat USA sells factory new and pre-owned surplus products and maintains channels to procure supply. Indramat USA is not affiliated with nor an authorized distributor or representative of any manufacturers, brands or products listed. Designated trademarks, brand names, and brands appearing herein are the property of their respective owners.