R911293323 (MHD112A-035-NG0-AP)

Name: R911293323 (MHD112A-035-NG0-AP)
Brand: Indramat Motors
SKU: MHD112A-035-NG0-AP
Price: 611.00 USD
Availability: InStock

MHD Synchronous Motors

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Email:
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The Bosch servo motor R911293323 (MHD112A-035-NG0-AP) is a brushless unit in the MHD series, featuring a plain shaft with sealing ring and operating without a holding brake. It is equipped with digital servo feedback (HSF) for relative position detection. The motor provides a continuous standstill torque of 15.0 Nm, supports natural convection cooling, and meets IP68 protection for resistance to dust and water immersion. It features a 192 mm flange, 130 mm centering diameter, motor size 112, and a total weight of 23 kg. The rated speed is 2500 RPM with a maximum of 4000 RPM.

Technical Specifications

Product Line
MHD

Motor Type
Servo Motor

Torque
250 Nm at standstill

Maintenance
Maintenance free

Design
Brushless, low inertia mass

Holding Brake
Not featured, but available

Power Connector Location
Side A

Feedback System
Digital Servo

Shaft Design
Plain, fitted with a seal

Rated Speed
2500 RPM

Maximum Speed
4000 RPM

Mounting Method
Four holes on the flange

Flange Size
192 millimeters

Motor Centering Diameter
130 millimeters

Weight
23 kilograms

Frequently Asked Questions

What are the installation implications of the motor’s natural convection cooling design?

Because it relies on ambient airflow rather than forced ventilation, it requires open mounting space for heat dissipation. Overcrowded enclosures may reduce cooling efficiency and shorten service life.

How does the plain shaft design affect mechanical coupling?

A plain shaft allows flexible coupling with different hub designs but demands precise alignment to prevent vibration or bearing wear. Using a quality clamping or friction-fit hub is recommended for accurate torque transfer.

Why is digital servo feedback (HSF) important in the MHD112A-035-NG0-AP?

Digital feedback provides high-resolution motion control and minimizes signal noise compared to analog encoders. This ensures better synchronization in multi-axis systems.

What is the role of relative position detection in motion accuracy?

It tracks position changes from a known reference but loses orientation after power-off. Therefore, homing routines are required at startup to reestablish reference accuracy.

What considerations apply to wiring when the power connection exits on side A?

Side A orientation allows compact cable routing but may restrict access in tight machinery layouts. Planning the cable path during installation prevents strain on connectors.

Common Misspellings

MHD112A035NG0AP

MHD112A 035 NG0 AP

mhd112a-035-ng0-ap

Internal Product Review

The Bosch Rexroth Indramat MHD112A-035-NG0-AP is a servo motor from the MHD Synchronous Motors series. It provides 15.0 Nm torque, features a plain shaft, digital servo feedback, and natural convection cooling with IP68 protection. Its housing ensures complete dust protection and allows continuous operation even under temporary water immersion.