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R911284531 (MHD115B-058-NP0-BN)

MHD Synchronous Motors

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The synchronous servo motor R911284531 (MHD115B-058-NP0-BN) from the Bosch Rexroth MHD series features a 180 mm centering diameter, 431 mm length, and 192 mm flange size, with a weight of 40 kg. It operates within ambient temperatures from 0 to 40°C and can be stored from -20 to 80°C at up to 1000 m altitude. The design incorporates liquid cooling, a continuous torque of 50.0 Nm at standstill, nominal power loss of 1200 W, and a coolant inlet temperature of 10–40°C with a 3 bar minimum system pressure. The motor features a keyed shaft with seal, IP65-rated housing, digital servo feedback (HSF) for relative position detection, and power output via side B connector. Holding brakes are not included by default.

Technical Specifications

Weight
40 kilograms

Centering Diameter
180 millimeters

Motor Length
431 millimeters

Flange Size
192 millimeters

Working Temperature
0 to 40 degrees Celsius

Storage Temperature
-20 to 80 degrees Celsius

Altitude
0 to 1000 meters

Orientation during Storage
Horizontal

Storage Location Requirements
Free of dust and vibrations

Shaft Protection
Plastic Protective Sleeve

Transportation Position
Horizontal

Drive Protection
Impacts protective

Digital Servo Feedback
Yes

Shaft Keyway
Included

Sealing Ring
On shaft

Protection Rating
IP65

Optional Holding Break
Order separately

Cooling System
Liquid cooling and natural convection

Coolant Nominal Power Loss
1200 Watts

Coolant Inlet Temperature
10 to 40 degrees Celsius

Minimum System Pressure
3 bar

Cooling Duct Volume
0.11 liters

Continuous Motor Torque at Standstill with Liquid Cooling
95 Nm

Continuous Current
118.2 Amps.

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1620 Old Apex Road
Cary, NC 27513, USA

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International: 1-919-443-0207

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Indramat USA 1 Year Warranty

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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.