R911290019 (MHD115B-058-PG0-AA)

MHD Synchronous Motors

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The Bosch Rexroth synchronous motor MPN R911290019 (MHD115B-058-PG0-AA) features a moment of inertia of 93.2 x 10⁻⁴ kgm², a rated current of 280 A, and a maximum torque of 160 Nm. This servo motor includes digital servo feedback with an integrated multiturn encoder providing absolute position detection over more than 4096 revolutions. The unit has a continuous standstill torque of 50.0 Nm and operates with a smooth output shaft and shaft seal. The housing is IP65-rated, measures 192 mm at the flange, 180 mm centering diameter, and supports side A power connection. It operates with 1.6 mH winding inductance, a torque constant of 0.9 Nm/A, is cooled by natural convection, and maintains a thermal time constant of 45 minutes. The device is specified for operating temperatures from 0 to +40°C.

Technical Specifications

Moment of Inertia
93.2 x 10-4 kgm2

Current Consumption
280 A

Theoretical Maximum Torque
160 Nm

Motor Weight
40 kg

Rated Frequency
267 Hz

Thermal Time Constant
45 minutes

Power Output (Surface cooling, 60/100 K temperatures)
9.1 kW

Winding Inductance
1.6 mH

Torque Constant (20 degrees Celsius)
0.9 Nm/A

Power Connector Location
A-Side

Protection Standard
IP65

Operating Temperature
0 to +40 degrees Celsius

Continuous Torque (Natural cooling, 60 K)
50 Nm

Continuous Current (Natural cooling, 60 K)
62.2 A

Rated Speed
1500 revolutions per minute

Torque (Natural Cooling, 100 K)
33.8 Nm.

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Internal Product Review

The MHD115B-058-PG0-AA combines usability with space efficiency, making it a practical choice for a wide range of system requirements. Its simplified mounting keeps installation straightforward. However, the altitude requirement may limit functionality in high-altitude locations.

1620 Old Apex Road
Cary, NC 27513, USA

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

Fax: 1-919-867-6204

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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.