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R911284987 (MHD112B-048-NG0-AN)

MHD Synchronous Motors

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The R911284987 (MHD112B-048-NG0-AN) is a synchronous servo motor designed by Bosch Rexroth for integration into digital intelligent drive systems. It features a winding code of 048, a size 112 motor, and a B-length motor body. The motor utilizes digital servo feedback (HSF) for relative position detection and operates without a holding brake. Continuous torque at standstill reaches 28.0 Nm with natural cooling, with maximum torque values of 33 Nm (natural) and 42 Nm (surface) at standstill. Rated current ranges from 6.9–16.9 A (natural cooling) up to 27.5 A (surface cooling), and it delivers 2.7–11 kW output when supplied at 227–251 VAC. The unit has a plain shaft, a shaft seal, a centering diameter of 130 mm, and flange size of 192 mm. It is housed in an enclosure rated IP65 for protection against dust and water and supports mounting in multiple positions. Power connection is via an output connector facing side A.

Technical Specifications

Product Type
Synchronous Motor

Rated Current (Natural Cooling)
6.9–16.9 A

Rated Current (Surface Cooling)
27.5 A

Standstill Position Torque (Natural Cooling)
28/33 Nm

Standstill Position Torque (Surface Cooling)
42 Nm

Consumption Current at Standstill
35.6–53.4 A

Holding Brake
Not equipped

Power Output Shaft
Plain

Rated Power
2.7–11 kW

Input Power Voltage
227–251 VAC

IP Protection Category
IP65

Cooling Modes
Natural and Surface

Position Detection
Digital Servo Feedback

Connector Location
Top of the Motor

Centering Diameter
130 mm

Mounting Positions
IMB5, IMV1, IMV3

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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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North Carolina Office

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.