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R911279212 (MHD112C-058-PP3-BN)

MHD Synchronous Motors

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The MPN R911279212 (MHD112C-058-PP3-BN) is a Bosch Rexroth MHD series servo motor configured for industrial automation tasks. This motor features a keyed shaft with shaft seal and a multiturn absolute encoder for digital servo feedback, supporting position detection over more than 4096 revolutions. Continuous standstill torque is 38 Nm at 60K and 43.5 Nm at 100K overtemperature under natural convection; surface cooling increases standstill torque to 57 Nm at both temperatures. Rated speed ranges from 2000 to 3500 RPM with a maximum of 4500 RPM. Power output spans 3.9 kW to 19.4 kW depending on cooling and operating conditions. The unit includes a 70 Nm holding brake, a main shaft power connector oriented to side B, a centering diameter of 130 mm, flange size of 192 mm, and conforms to the 112 motor size and 'C' length.

Technical Specifications

Cooling Methods
Natural Convection, Surface Cooling

Natural Convection 60K overtemperature specs
Continuous Torque at Standstill: 38 Nm

Standstill Current
79.8 Amps

Rated Speed
3500 RPM

Rated Torque
43.5 Nm

Rated Current
43 Amps

Power Output
19.4 kilowatts

Time Constant
40 minutes

Recommended Power Wire Cross-Section
16 mm2

Natural Convection 100K overtemperature specs
Continuous Torque at Standstill: 43.5 Nm

Surface Cooling 60/100K overtemperature specs
Continuous Torque at Standstill: 57 Nm

Maximum Motor Speed
4500 RPM

Holding Brake
70 Nm

Main Shaft
Includes Key and Shaft Seal

Power Connector Location
Side B of housing

Installation
By Qualified Technical Personnel Only

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1620 Old Apex Road
Cary, NC 27513, USA

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Indramat USA 1 Year Warranty

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Indramat USA
1620 Old Apex Road
Cary, NC 27513
USA

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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.