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R911295172 (MHD071B-061-NG2-UN)

MHD Synchronous Motors

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The Bosch Rexroth Indramat’s R911295172 (MHD071B-061-NG2-UN) is a MHD series synchronous servo motor with surface cooling and a motor overtemperature of 60/100 K. It has a continuous current of 16.8A and a maximum current of 50.5A. Key parameters including torque constant, winding resistance, and voltage constant are 0.77 Nm/A, 1.45 Ohm, and 70 V/1000rpm respectively when measured at 20 degrees celsius. The unit's winding inductivity is 7.2mH, with four pole pairs and a rated speed of 5000rpm. The R911295172 (MHD071B-061-NG2-UN) has a rated torque of 7.8A, insulation class F, and a 6.5Nm holding brake. Its design features advanced magnets to ensure efficient operation with minimal inertia masses. Useful for a range of applications, it is not suited to high-temperature fluctuations or underwater environments. This model has a frame size of 075, indicating a flange size of 115.5mm and centering diameter of 95mm, and features a plain output shaft, shaft sealing ring, and power and feedback connectors that can rotate up to 270°.

Technical Specifications

Cooling System
Surface Cooling

Motor Overtemperature
60/100 K

Continuous Current
16.8 Amperes

Max Current
50.5 A

Torque Constant at 20o C
0.77 Nm/A

Winding Resistance at 20o C
1.45 Ohm

Voltage Constant at 20o C
70 V/1000rpm

Winding Inductivity
7.2 mH

Pole Pairs
4

Rated Speed
5000 rpm

Rated Torque
7.8 A

Insulation Rate
F

Holding Brake
6.5 Nm

Flange Size
115.5 mm

Centering Diameter
95 mm

Encoder Type
Digital Servo Feedback

Output Shaft
Plain with Shaft Sealing Ring

Power and Feedback Connectors
Rotate in 270 degrees range.

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1620 Old Apex Road
Cary, NC 27513, USA

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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.