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MHD115A-024-PG1-BA Bosch Rexroth Indramat

MPN: R911289177

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The Bosch Rexroth Indramat MHD115A-024-PG1-BA is a servo motor from the MHD Synchronous Motors series. It features a continuous torque at standstill of 32.0 Nm, a holding brake with 70.0 Nm torque, and IP65 degree of protection. The motor is equipped with digital servo feedback using an integrated encoder and operates with natural convection cooling.

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Product Description:

Bosch Rexroth Indramat builds the MHD115A-024-PG1-BA in its MHD Synchronous Motors series. This servo motor, with winding code 024 and frame size 115, is used as a direct drive for industrial axes where precise velocity and position control are required. A digital servo feedback encoder is integrated, and it delivers absolute multi-turn data so the controller can maintain orientation even after power loss. The plain shaft configuration with an internal seal supports couplings that rely on a smooth journal while protecting the front bearing from coolant or dust ingress.

The motor provides a continuous standstill torque of 32.0 Nm, which it can hold indefinitely within its rated thermal envelope. For static holding during shutdown, the spring-applied brake supplies 70.0 Nm of torque. The enclosure meets IP65, so internal components remain protected against dust and low-pressure water jets. A square flange measuring 192 mm aligns with standard IEC layouts, and the encoder supports an overall positioning accuracy of ± 0.5 angular minutes. These features allow tight, repeatable indexing in material transfer, filling, and pick-and-place stations.

Mounting is simplified by a centering pilot of 180 mm, and the motor relies on natural convection through its ribbed housing rather than external fans. The encoder stores position in an absolute (>4096 revolutions) format, so no homing routine is needed after power restoration. Rated operation is permitted in ambient air from 0 to 40 °C; storage is allowed down to −20 °C and up to 80 °C, and class F insulation tolerates the associated winding temperatures. Installation heights can reach 1000 m above mean sea level without derating. Power is routed through an output connector on side B. The motor has length A.

Ambient Storage Temperature Range
-20 to +80 °C
Centering diameter
180 mm
Continuous Torque at Standstill
32.0 Nm
Degree of protection
IP65
Encoder Type
Digital servo feedback w/ integrated encoder
Flange size
192 mm
Holding Brake
With holding brake
Holding Brake Torque
70.0 Nm
Housing Cooling Type
Natural convection
Insulation Class
F
Maximum setup height
1000 above MSL
Measurement method
Optically
Motor Length
A
Motor Size
115
Operating Ambient Temperature Range
0 to 40 °C
Power Connection Direction
to side B
Power ConnectionType
Output Connector
Product Type
Servo Motor
Shaft Design
Plain shaft
Shaft Seal
Yes
System accuracy
± 0.5 angular minutes
Type of Position Detection
Absolute (>4096 revolutions)
Winding Code
024
  • MHD115A024PG1BA
  • MHD115A 024 PG1 BA
  • mhd115a-024-pg1-ba

Frequently Asked Questions about MHD115A-024-PG1-BA:

Q: What type of shaft and seal does the MHD115A-024-PG1-BA servo motor feature?

A: The MHD115A-024-PG1-BA has a plain shaft design and includes a shaft seal for added protection.

Q: What is the continuous torque at standstill for the MHD115A-024-PG1-BA?

A: This motor provides a continuous torque of 32.0 Nm at standstill for reliable operation under sustained loads.

Q: Does the MHD115A-024-PG1-BA include a holding brake and what is its torque?

A: The MHD115A-024-PG1-BA is equipped with a holding brake that delivers a holding torque of 70.0 Nm.

Q: What type of position detection system does the MHD115A-024-PG1-BA have?

A: This motor offers absolute position detection for more than 4096 revolutions using an integrated digital servo feedback encoder with optical measurement.

Q: What are the operating and storage temperature ranges for the MHD115A-024-PG1-BA?

A: It is rated for operation in environments with an ambient temperature from 0 to 40 °C and storage from -20 to +80 °C.


Internal Product Review

  • ‘‘The MHD115A-024-PG1-BA is a Bosch Rexroth Indramat servo motor from the MHD Synchronous Motors series with natural convection cooling and IP65 protection. Digital servo feedback with integrated encoder and absolute position detection beyond 4096 revolutions support precise, stable axis control. A 32.0 Nm continuous standstill torque and 70.0 Nm holding brake make the unit an excellent choice for demanding servo applications.’’

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