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R911288605 (MHD112C-058-NP3-BN)

MHD Synchronous Motors

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The R911288605 (MHD112C-058-NP3-BN) is a Bosch Rexroth servo motor featuring digital servo feedback (HSF) for relative position detection and incorporates a keyed shaft design with a shaft seal. This model achieves a maximum torque of 148 Nm and a continuous standstill torque of 38 Nm, operating up to a speed of 4500 RPM. The motor has a winding resistance of 0.12 ohms, torque constant of 0.8 Nm/A at 20°C, and a voltage constant of 72.7 V/min⁻¹. It operates at 148 V and delivers a power output of 3.9 kW under natural cooling. The housing accommodates natural or surface cooling, and liquid cooling is specified. The centering diameter is 130 mm, with a flange size of 192 mm; overall motor length is denoted as 'C', and motor size is 112. The power connection is directed to side B using an output connector, and winding inductivity is 1.5 mH. It is equipped with a 1.29 A holding brake weighing 3.8 kg and providing a holding torque of 70 Nm. The unit weighs 45 kg, features insulation class F, and is rated IP65. Mounting is flexible, with installation elevation recommended not to exceed 1000 meters above sea level.

Technical Specifications

Product Type
Synchronous Motor

Feedback
Digital Servo Feedback

Maximum Theoretical Torque
148 Nm

Maximum Speed
4500 RPM

Temperature Range
0 to +40 degrees Celsius

Winding Resistance at 20 deg Celsius
0.12 ohms

Torque Constant
0.8 Nm/A

Holding Brake Rated Current
1.29 A

Holding Brake Weight
3.8 kg

Holding Brake Moment of Inertia
30 x 10-4 kgm2

Holding Brake Torque
70 Nm

Rated Torque
15.3 Nm

Rated Voltage
148 volts

Rated Power Output
3.9 kW

Weight
45 kg

Insulation Rating
F

Protection Rating
IP65

Thermal Time Constant
40 or 90 minutes

Power Connection Location
B side

Winding Inductivity
1.5 mH

Voltage Constant
72.7 V/min-1

Maximum Altitude for Installation
1000 meters above sea level.

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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.