R911276840 (MHD112B-024-PP0-RN)

Name: R911276840 (MHD112B-024-PP0-RN)
Brand: Indramat Motors
SKU: MHD112B-024-PP0-RN
Price: 848.00 USD
Availability: InStock

MHD Synchronous Motors

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The Bosch Rexroth synchronous motor R911276840 (MHD112B-024-PP0-RN) is designed for industrial automation and motion control applications. It features a winding code of 024, inductivity of 7.6 mH, and resistance of 0.58 ohms. The motor delivers a rated torque of 31 Nm with a maximum theoretical torque of 102 Nm, supporting a continuous current of 26.8 A at a 100K temperature rise. Rated speed is 3500 RPM at 233 Hz, with a rated power output of 3.9 kW at 60K and an operational voltage of 461 V. Structural details include a 34 kg mass, 130 mm centering diameter, 192 mm flange, housing for liquid cooling, multiturn absolute digital encoder, keyed shaft with seal, and power connection to the right via connector. This model does not include a holding brake.

Technical Specifications

Winding Code
024

Inductivity
7.6 mH

Resistance
0.58 ohms

Rated Torque
31 Nm

Rated Speed
3500 RPM

Rated Frequency
233 Hz

Weight
34 kilos

Maximum Theoretical Torque
102 Nm

Inertia Moment
110 x 10-4 kgm2

Power Connector Location
Right Side of Housing

Motor Torque (100K)
33 Nm

Continuous Current (100K)
26.8 A

Rated Power (60K)
3.9 kW

Voltage Use (60K)
461 volts

Rated Frequency (60K)
233 Hz

Maximum Rotational Speed
4000 rpm

Peak Current Consumption
98.5 A

Operating Temperature
+40 degrees Celsius

Cooling Method
Natural and Surface Cooling

Holding Brake
None

Frequently Asked Questions

In what type of duty cycle does the MHD112B-024-PP0-RN show optimal efficiency?

It performs efficiently in both continuous and intermittent cycles due to thermal stability. This makes it suitable for repetitive motion tasks like pick-and-place or tool positioning.

How does the motor’s torque at standstill influence machine design choices?

High standstill torque allows direct load holding and smooth starts under static load. Designers can eliminate external brakes or gear reductions in some cases.

What installation precautions are recommended when integrating a liquid-cooled servo motor?

Ensure proper coolant flow rate and contamination-free liquid to prevent clogging or overheating. Flexible hoses should allow for vibration without strain on fittings.

How does right-side power connector placement affect cabling and maintenance?

It simplifies cable routing in enclosures with limited space. Maintenance is easier since connectors remain accessible without motor removal.

What benefit does the MHD112B-024-PP0-RN’s winding code 024 offer in multi-axis systems?

It defines the electrical characteristics for balanced current and torque response. This allows consistent synchronization across axes in coordinated motion applications.

Common Misspellings

MHD112B024PP0RN

MHD112B 024 PP0 RN

mhd112b-024-pp0-rn

Internal Product Review

The MHD112B-024-PP0-RN is a synchronous servo motor from Bosch Rexroth Indramat that is designed for precise motion control in industrial automation. It features a liquid cooling system, digital servo feedback with absolute encoder, and a keyed shaft for efficient torque transmission. It is used in CNC machining centers, packaging lines, and robotic systems.