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R911284820 (MHD112A-024-PP0-AN)

MHD Synchronous Motors

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The Bosch Rexroth R911284820 (MHD112A-024-PP0-AN) is a synchronous servo motor designed for industrial automation applications. It features a keyed output shaft, shaft seal, and digital servo feedback with an integrated encoder for absolute position detection over more than 4096 revolutions. The motor is equipped for liquid cooling, has a centering diameter of 130 mm, flange size of 192 mm, and a motor length designated as 'A'. Operating at 9.1 A and 332 V, it delivers a continuous torque at standstill of 15.0 Nm, a maximum torque of 54 Nm, and a rated power output of 4.8 kW with natural cooling. The unit exhibits a winding resistance of 1.45 ohms, inductance of 14 mH, and supports a speed of 2500 rpm. The design includes IP65 protection, Class F insulation, and a power connection to side A via output connector. The shaft is designed without a holding brake and the total weight is 23 kg.

Technical Specifications

Product Type
Synchronous Motors

Output Shaft
With key

Sealing Ring
Yes

Rated Speed
2500 revolutions per minute

Rated Power
4.8 kW

Rated Current
9.1 A

Rated Voltage
332 Volts

Cooling Method
Natural and Surface Cooling

Thermal Time Constant
20 to 40 minutes

Maximum Speed
4000 revolutions per minute

Winding Resistance
1.45 ohms

Winding Inductance
14 mH

Weight
23 kilograms

Maximum Torque
54 Nm

Peak Current
59 amps

Protection Grade
IP65

Insulation Class
F class

Applications
Food machines, handling, automation

Polar Pairs (at 20 degrees Celsius)
4

Voltage Constant (at 20 degrees Celsius)
116.4 V/min-1

Torque Constant (at 20 degrees Celsius)
1.28 Nm/A

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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.