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R911284191 (MHD112A-058-NG1-LN)

MHD Synchronous Motors

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The Bosch Rexroth MPN R911284191 (MHD112A-058-NG1-LN) is a synchronous servo motor featuring a maximum speed of 3,500 RPM at a 60K temperature rise and utilizes liquid cooling. This motor, weighing 23 kg, includes F class insulation, an IP65-rated enclosure, and supports installation up to 1000 meters above sea level in ambient temperatures between 0 and 40 degrees Celsius. It incorporates a digital servo feedback encoder system for relative shaft position detection, along with an electronic-release holding brake providing 22 Nm of torque. Key specifications include a continuous standstill torque of 15 Nm, four pole pairs, a torque constant of 0.98 Nm/A, voltage constant of 89 V/1000 min, winding resistance of 0.86 Ohm, and a maximum theoretical torque of 54 Nm. The model is equipped with a power connector on the left-hand side, a plain shaft with seal, and an aluminum flange (130 mm centering diameter, 192 mm flange size) for secure mounting. The external coating is RAL 9005 black.

Technical Specifications

Weight
23kg

Insulation Class
F

Enclosure
IP65

Installation Height
1000 MSL

Ambient Temperature
0 to 40 degree Celsius

Peak Current
77 A

Winding Inductivity
7.8 mH

Pole Pairs
4

Torque Constant
0.98 Nm/A

Voltage Constant
89 V/1000 min

Winding Resistance
0.86 Ohm

Maximum Torque
54 Nm

Moment of Inertia
111.0 x 10-4 kgm2

Brakes
Electronically Released Holding Brakes.

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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.