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R911289059 (MHD112D-027-NP3-LN)

MHD Synchronous Motors

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The MHD112D model R911289059 (MHD112D-027-NP3-LN), made by Bosch Rexroth, is a versatile synchronous motor designed for various industrial applications. This model features both natural and surface cooling mechanisms within its IP68-rated motor housing, which is weather-resistant and corrosion-proof due to its black painting. Optimal functioning at 100K temperature through natural cooling produces a rated torque of 41.5 Nm, while consuming a current and voltage of 20.7 A and 331 V respectively. Equipped with a key output shaft with a sealing ring, the motor maintains lubricant levels efficiently. Its power connection is located on the left of the housing. The motor has a 0.35-ohm winding resistance and a 1.7 Nm/A torque constant at 20°C. A built-in holding brake, weighing 3.8 kg, provides extra control with a 70 Nm holding torque. The 56 kg motor functions best between 0 and +40 degrees Celsius and up to 1000m above sea level. Its voltage constant is 154.5 V/min-1, and its moment of inertia is 350 x 10-4 kgm2.

Technical Specifications

Motor Type
Synchronous

Housing Design
Natural and Surface Cooling

Protection Rating
IP68

Housing color
Black

Rated Torque (100K, natural cooling)
41.5 Nm

Rated Voltage
331V

Rated Current
20.7 A

Output Shaft
Key with Sealing Ring

Power connection
Left Side

Winding Resistance
0.35 ohms

Torque Constant (20C)
1.7 Nm/A

Holding Brake Weight
3.8 kilograms

Inertia
30 x 10-4 kgm2

Brake Holding Torque
70 Nm

Brake Rated Current
1.29 A

Brake Rated Voltage
24V

Weight
56 KG (without attachments)

Servo Feedback Type
Digital

Operating Temperature Range
0-40 degree centigrade

Maximum Installation Height
1000 metres above sea level

Voltage Constant
154.5 V/min-1

Motor Inertia
350 x 10-4 kgm2.

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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.