R911282575 (MHD112B-048-NP0-BN)

MHD Synchronous Motors

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The Bosch Rexroth R911282575 (MHD112B-048-NP0-BN) is a synchronous servo motor from the MHD series, featuring four pole pairs and a keyed shaft with shaft seal. It operates with a characteristic speed of 3500 min⁻¹, maximum speed of 4500 min⁻¹, and delivers a theoretical maximum torque of 102.0 Nm. Rated speed is 2800 min⁻¹ at 187 Hz, with a continuous standstill torque of 28.0 Nm. Electrical parameters include a torque constant of 0.88 Nm/A at 20°C, voltage constant of 80.0 V/1000min⁻¹ at 20°C, 0.22 Ω winding resistance, and 3.1 mH winding inductivity. The motor is liquid cooled, with digital servo feedback (HSF) and relative position detection. Housing is finished with black varnish, dimensions include a centering diameter of 130 mm, flange size of 192 mm, and a motor mass of 34.0 kg. It is built to protection class IP65 (DIN VDE 0530 Part 1), insulation class F, and operates in ambient temperatures from 0 to 40°C.

Technical Specifications

Product
Bosch Rexroth MHD Synchronous Servo Motor

Characteristic Motor Speed
3500min-1

Peak Current
160.0A

Torque Constant at 20C
0.88Nm/A

Voltage Constant at 20C
80.0V/1000min-1

Winding Resistance at 20C
0.22

Winding Inductivity
3.1mH

Pole Pairs
4

Rated Speed
2800

Rated Frequency
187Hz

Maximum Torque
102.0Nm

Maximum Speed
4500min-1

Motor Mass
34.0kg

Permissible Ambient Temperature
0 to 40

Insulation Class
F

Degree of Protection
IP65

Housing Varnish
Prime coat black in a/w RAL 9005

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The MHD112B-048-NP0-BN has developed a reputation for trustworthiness in ongoing operations. Customers value the steady performance it provides. It integrates effectively into workflows, ensuring productivity remains stable. Operators emphasize its dependability, which reduces concerns during use. This model is seen as a practical choice for consistent, efficient, and reliable performance overall.

1620 Old Apex Road
Cary, NC 27513, USA

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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

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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.