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R911305113 (MHD112A-024-PG1-LN)

MHD Synchronous Motors

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The Bosch Rexroth MPN R911305113 (MHD112A-024-PG1-LN) is a synchronous servo motor featuring a rated power output of 6.4 kW and a rated voltage of 355 V. The unit achieves a maximum theoretical torque of 54 Nm with a rated torque of 19.4 Nm under surface convection (100K), and operates at a maximum speed of 4000 RPM, with a rated speed of 2500 RPM at a 60K temperature rise and a thermal time constant of 40 minutes (natural cooling). The motor includes a plain output shaft, a shaft seal, and a holding brake capable of 22 Nm torque. With an IP65 protection rating and insulation class F, the motor incorporates a multiturn absolute encoder for precise speed and position control. Winding inductivity is specified at 14 mH. Physical dimensions include a centering diameter of 130 mm, flange size of 192 mm, and a power connector positioned to the left. The cooling method is liquid cooling, and the design supports continuous torque at standstill of 15 Nm.

Technical Specifications

Product Type
Synchronous Motors

Theoretical Maximum Torque (Nm)
54

Maximum Rotating Speed (rpm)
4000

Protection Rating
IP65

Insulation Class
F

Output Shaft
Straight

Holding Brake Torque (Nm)
22

Inertia Moment (kgm2)
3.6 x 10-4

Rated Speed (rpm)
2500

Thermal Time Constant (minutes)
40

Cooling Mode
Natural

Rated Power in Surface Convection at 100 K (kW)
6.4

Rated Voltage (Volts)
355

Rated Torque (Nm)
19.4

Winding Inductivity (mH)
14

Power Connector Position
Left Side

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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.