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R911281235 (MHD090B-035-PG1-UN)

MHD Synchronous Motors

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The Bosch Rexroth R911281235 (MHD090B-035-PG1-UN) is a dynamic synchronous motor, utilizing either natural, surface or liquid cooling systems. Under natural cooling, it operates at a rated current of 4.7A to 6.7A and delivers a performance of 2.8Kw to 4.0Kw. When using surface cooling, it operates at an estimated 9.7A, delivering 5.9Kw in performance. The rated voltage for surface cooling is 399V, while for natural cooling, it ranges between 354V to 369V, at a constant rated frequency of 200Hz. Mechanically, this motor has a maximum torque of 43.5Nm and the rotor has a moment of inertia of 43.0 x 10-4 kgm². It offers a maximum speed of 5000 min-1, weighs in at 14kgs, and has an IP65 protection degree. The R911281235 (MHD090B-035-PG1-UN) is suitable for environments ranging from -20 to +80°C and is classified in the F insulation class according to DIN VDE 0530 Part 1. It comes with a one-year warranty from Indramat USA.

Technical Specifications

Cooling System Types
Natural, Surface, Liquid

Rated Current (Natural Cooling)
4.7A to 6.7A

Rated Current (Surface Cooling)
9.7A

Rated Performance (Natural Cooling)
2.8Kw to 4.0Kw

Rated Performance (Surface Cooling)
5.9Kw

Rated Voltage (Surface Cooling)
399V

Rated Voltage (Natural Cooling)
354V to 369V

Rated Frequency
200Hz

Theoretical Maximum Torque
43.5Nm

Moment of Inertia of Rotor
43.0 x 10-4 kgm2

Minimum Strand Cross-section (Surface & Natural Cooling)
1.0 mm2

Time Constant (Natural Cooling)
60 min

Time Constant (Surface Cooling)
30 min

Maximum Speed
5000 min-1

Mass
14kgs

Storage Temperature Range
-20 to +80°C

Ambient Temperature Range
0 to 40°C

Maximum Permissible Attitude
1000 meters above sea level

Degree of Protection
IP65

Insulation Class
F (DIN VDE 0530 Part 1)

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1620 Old Apex Road
Cary, NC 27513, USA

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Warranty

Indramat USA 1 Year Warranty

Repair

We offer a repair service for the MHD090B-035-PG1-UN.

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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.