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R911297287 (MHD112A-035-PG0-AN)

MHD Synchronous Motors

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1 Year Warranty Included
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Expedited Lead Times on Select Parts
1 Year Warranty Included
Free Ground Shipping

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3 Minutes 22 Seconds

The Bosch Rexroth MPN R911297287 (MHD112A-035-PG0-AN) is an MHD112A-series synchronous servo motor featuring permanent magnets for low moment of inertia and efficient operation. It operates at a nominal speed of 3000 RPM with a continuous standstill torque of 15.0 Nm and optimal current output of 65.7 A. The motor is equipped with a digital servo feedback encoder supporting absolute position detection of more than 4096 revolutions. It is designed with a plain shaft, shaft seal, and liquid-cooled housing. Key dimensions include a flange size of 192 mm, centering diameter of 130 mm, and a total weight of 23 kg. The device meets IP65 requirements and can be installed up to 1000 meters above sea level. Housing power connection is via output connector to side A.

Technical Specifications

Motor Type
MHD-type Synchronous

Inertia Mass
Low (Due to permanent magnets)

Operating Conditions
According to datasheet requirements

Speed
3000 revolutions per minute

Current Rating
65.7 Amps

Weight
23 kg

Protection Rating
IP 65 (Water and Dust Ingress Protection)

Maximum Installation Height
1000 meters above mean sea level

What type of feedback system is used in the MHD112A-035-PG0-AN servo motor?

It uses a digital servo feedback system with an integrated encoder, enabling absolute position detection. This ensures precise motion control and repeatable accuracy in multi-axis automation setups.

What installation factors should be considered when mounting this servo motor?

The 192 mm flange and 130 mm centering diameter require rigid mounting surfaces to prevent misalignment. Accurate alignment ensures minimal vibration and prolongs bearing and shaft seal life.

Is the MHD112A-035-PG0-AN suitable for vertical-axis or load-holding applications?

No, this model lacks a holding brake, making it less ideal for gravity-loaded or vertical applications. An external braking system or a different model variant would be necessary for such setups.

How does the absolute encoder (>4096 revolutions) benefit automation systems?

It provides continuous position data without homing after power cycles. This improves startup speed and reliability in systems that require precise repeatability.

What is the impact of the plain shaft design on coupling selection?

A plain shaft simplifies coupling with keyed or clamp-style connectors but requires accurate torque transmission alignment. This design is commonly preferred for flexible coupling in precision drive systems.

MHD112A035PG0AN

MHD112A 035 PG0 AN

mhd112a-035-pg0-an

Internal Product Review

The MHD112A-035-PG0-AN Servo Motor from Bosch Rexroth Indramat is a liquid-cooled synchronous motor. It offers 15.0 Nm continuous torque at standstill and its integrated digital encoder ensures absolute position detection for precision-driven systems. It is commonly applied in CNC machining centers, robotics, packaging lines, and automated assembly systems.

Warranty

1-year-warranty
Indramat USA 1 Year Warranty

Repair

product repair We offer a repair service for the MHD112A-035-PG0-AN.
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