R911284379 (MKD112B-048-KG0-RN)

MKD Synchronous Motors

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The Bosch Rexroth R911284379 (MKD112B-048-KG0-RN) is an industrial synchronous servo motor engineered for automation systems. It operates at a rated voltage between 227 and 251 V and delivers an output power range of 2.7 to 11 kW at 2800 rpm. The unit employs resolver feedback with integrated encoder, enabling absolute position detection beyond 4096 revolutions and angular precision within ±8 angular minutes. The MKD112B-048-KG0-RN features four pole pairs, a winding resistance of 0.22 Ohm at 20°C, and continuous standstill torque of 28.0 Nm, with a peak torque of 45 Nm and a rated torque of 15 Nm. The motor has a 130 mm centering diameter, natural cooling, IP65 protection class, plain shaft with a sealing ring, and a right-side power connector. The design excludes a holding brake and supports operating temperatures from 0 to +40°C. The moment of inertia is specified at 2.4 kgcm².

Technical Specifications

Voltage
227-251V

Power Output
2.7-11kW

Nominal Speed
2800rpm

Feedback
Digital servo

Position detection precision
±8 angular minutes

Cooling mode
Natural and surface

Continuous torque (natural cooling)
28/38Nm

Continuous current (natural cooling)
35.6/43.5A

Continuous torque (surface cooling)
42Nm

Continuous current (surface cooling)
53.4A

Pole Pairs
4

Motor Winding resistance
0.22 Ohm

Holding Brake
Not equipped

Power Connector
Right side

Protection Rating
IP65

Temperature Range
0 to +40 degree Celsius

Frequently Asked Questions

Common Misspellings

Internal Product Review

The MKD112B-048-KG0-RN is a relatively compact motor that is easy to handle and install. However, for very compact settings, the 34.0 kg mass might complicate installation.

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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We offer a repair service for the MKD112B-048-KG0-RN.

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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.