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R911299262 (MHD115C-059-PP0-BA)

MHD Synchronous Motors

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The Bosch Rexroth MPN R911299262 (MHD115C-059-PP0-BA) is a synchronous servo motor with a 4 pole pairs design and brushless construction. It supports both natural convection and surface cooling, consuming 82.5/95.6 A for 70/80.5 Nm torque and 123.8 A for 105 Nm torque, respectively. Rated for 4000 rpm nominal speed and capable of up to 6000 rpm, the motor features a digital servo feedback system with an absolute multiturn encoder (>4096 revolutions) and optional featherkey for unidirectional torque stabilization. Specifications include keyed shaft, shaft seal, IP65 protection, flange size 192 mm, centering diameter 180 mm, continuous standstill torque of 70 Nm, motor length C, and a voltage constant of 86.4 V/1000 rpm at 20°C. The unit weighs 55 kg, has class-F insulation, and is designed for operation from 0°C to +40°C. Power connection is via an output connector on side B; the holding brake is not included.

Technical Specifications

Operating Modes
Natural Convection, Surface Cooling

Constant Current (Natural Convection)
82.5/95.6 A

Constant Torque (Natural Convection)
70/80.5 Nm

Motor Temperature Increase (Natural Convection)
60/100-K

Rated Power (Surface Cooling)
105 Nm

Rated Current (Surface Cooling)
123.8 A

Operating Speed
4000 rpm

Maximum Speed
6000 rpm

Encoder Type
Multiturn Optical Encoder

Motor Output Shaft
Featherkey

Motor Protection Standard
IP65

Input Power (Natural Convection)
88–90 VAC

Input Power (Surface Cooling)
175 VAC

Maximum Power (Surface Cooling)
7.7 kW

Pole Pairs
4

Winding Inductivity
0.9 mH

Voltage Constant at 20°C
86.4 V/1000 rpm

Net Weight
55 kg

Operating Temperature
0 to +40 degree Celsius

Insulation Category
Class-F

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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.