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R911312861 (MHD093A-058-NG2-AA)

MHD Synchronous Motors

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The Bosch Rexroth R911312861 (MHD093A-058-NG2-AA) is an advanced servo and main drive motor. This synchronous motor includes a 32 Nm holding brake that stabilizes the servo axis when not powered. It boasts a natural convection cooling mode, with an optional surface cooling feature for extreme operating conditions. The model requires an AC 325–347 V power source operating at 233 Hz and provides continuous power output of 1.9-3.7 kW for the natural cooling model and up to 5.9 kW for the surface-cooled version. It features a simplistic output shaft secured by a sealing ring and a standard bearing capable of enduring high radial loads. The device can be installed in the IMB5, IMV1, and IMV3 mounting positions. It operates ideally within a temperature range of 0 to +40°C. It's secured against dirt and water infiltration due to its IP65 protection grade. Its maximum speed is 3500 rpm, and it delivers a nominal torque of 4.5–13.6 Nm, operating at a rated current of 3.4–10.3 A. The model offers digital servo motor feedback.

Technical Specifications

Product Type
Synchronous Servo Motors

Holding Brake
32 Nm

Cooling Mode
Natural convection, Surface cooling option

Input Power
AC 325 – 347 V

Operating Frequency
233 Hz

Continuous Power Output (Natural Cooling)
1.9 – 3.7 kW

Continuous Power Output (Surface Cooling)
5.9 kW

Output Shaft
Plain, Protected by a shaft sealing ring

Bearing Type
Standard

Mounting Positions
IMB5, IMV1, IMV3

Operating Temperature
0 to +40 degree Celsius

Storage Temperature
-20 to +80 degree Celsius

Protection Category
IP65

Maximum Operating Speed
3500 rpm

Nominal Torque
4.5 – 13.6 Nm

Rated Current
3.4 – 10.3 A

Feedback
Digital servo motor feedback

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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

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