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R911281400 (MHD112B-024-NP0-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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6 Minutes 28 Seconds

The R911281400 (MHD112B-024-NP0-AN) is a Bosch Rexroth MHD112B series synchronous servo motor configured without a holding brake, utilizing liquid cooling for efficient thermal management. It features a digital servo feedback (HSF) encoder for relative indirect position detection and includes an integrated data memory for startup parameterization. The motor provides a continuous torque at standstill of 28.0 Nm and is constructed with a 192 mm flange, 130 mm centering diameter, and B-length. It uses a keyed shaft with a shaft seal and side A output power connector. Designed for operation at ambient temperatures up to 40°C and altitudes to 1000 m, the housing offers IP65 protection.

Technical Specifications

Intended Use
Servo and Main Drive

Encoder Type
Digital Servo Feedback

Position Detection
Relative Indirect

Data Memory
Available

Electrical Connections
Power Connector, Encoder Connection

Overload Protection
Available

Heat Loss Mechanism
Natural Convection

Housing Varnish
Prime Coat Black a/w RAL 9005

Operational Reliability
High

Ambient Temperature
40°C

Installation Altitude
1000m Above Mean Sea Level

Shock Absorption
Available

Protection Class
IP 65

How does the liquid cooling system in the MHD112B-024-NP0-AN affect its performance stability?

Liquid cooling maintains uniform thermal conditions, minimizing heat-related torque fluctuations. This allows consistent performance during prolonged operation in high-duty applications.

Why is a keyed shaft design advantageous in torque transmission?

A keyed shaft prevents slippage under load, maintaining mechanical alignment between the motor and driven component. This ensures consistent torque delivery during start-stop or reversing motion cycles.

What effect does the centering diameter have on motor alignment during mounting?

The centering diameter ensures concentric alignment between motor and machine interface. Accurate alignment minimizes vibration, mechanical stress, and coupling wear.

How is torque performance at standstill relevant in servo-driven machinery?

High continuous torque at standstill supports precise holding and low-speed control under load. It is especially critical in press, lift, and tension-control applications.

How does the flange size of the MHD112B-024-NP0-AN impact mechanical compatibility?

The flange defines the bolt pattern and fit within standardized motor mounts. It ensures interchangeability in modular machinery setups.

MHD112B024NP0AN

MHD112B 024 NP0 AN

mhd112b-024-np0-an

Internal Product Review

The MHD112B-024-NP0-AN is a servo motor from Bosch Rexroth’s MHD Synchronous Motors series. It features liquid cooling, a digital servo feedback encoder, and delivers 28.0 Nm continuous torque at standstill with a keyed shaft. Its housing is a sealed, corrosion-resistant aluminum body designed for durability in demanding industrial environments.

Warranty

1-year-warranty
Indramat USA 1 Year Warranty

Repair

product repair We offer a repair service for the MHD112B-024-NP0-AN.
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