R911297306 (MHD115C-035-NP1-AA)

MHD Synchronous Motors

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The Bosch Rexroth synchronous motor, MPN R911297306 (MHD115C-035-NP1-AA), is designed for demanding industrial environments and features IP65 protection, F class insulation, and natural and surface cooling. It delivers a maximum torque of 231 Nm at 265 A, utilizes four pole pairs, and has a torque constant of 1.31 Nm/A. The maximum speed is 4500 RPM, with a rated speed of 2000 RPM at 100 K temperature rise. Additional specifications include a 55.8 kg mass, 0.12 ohm winding resistance at 20°C, and 1.96 mH winding inductivity. The motor is equipped with a keyed output shaft, dust and oil-resistant shaft seal, and a 3.8 kg holding brake with electric release, providing 70 Nm holding torque at 24 V with connection and disconnection times of 53 ms and 97 ms, respectively. Position detection is relative via digital servo feedback (HSF). The motor has a centering diameter of 180 mm, flange size of 192 mm, and power connection directed to side A via output connector.

Technical Specifications

Protection Grade
IP65

Insulation Class
F

Max Torque
231 Nm

Current Usage
265 A

Polar Pairs
4

Torque Constant
1.31 Nm/A

Winding Resistance
0.12 ohms at 20 degrees Celsius

Weight
55.8 kgs

Winding Inductivity
1.96 mH

Max Speed
4500 RPM

Heat Dissipation Method
Natural and Surface Cooling

Rated Speed
2000 RPM

Rated Torque
25.2 Nm

Naturally-cooled Current Usage
15 A at 100 K

Shaft
Output shaft with keys

Sealing Ring
Yes

Brake Weight
3.8 kgs

Brake Holding Torque
70 Nm

Brake Voltage Consumption
24 volts

Brake Operation
Electric Release

Brake Connection Time
53 ms

Brake Disconnection Time
97 ms.

Frequently Asked Questions

Common Misspellings

Internal Product Review

The MHD115C-035-NP1-AA offers excellent thermal performance, making it reliable in applications with high loads or extended duty cycles. However, its air-cooled design can limit operating temperature tolerance.

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.