MHD115A-024-PG1-RA Bosch Rexroth Indramat
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MPN: R911308378
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The Bosch Rexroth Indramat MHD115A-024-PG1-RA is a servo motor from the MHD Synchronous Motors series with a continuous torque at standstill of 32 Nm and a holding brake torque of 70 Nm. It features IP65 protection, a plain shaft with shaft seal, and uses natural convection for cooling. The motor has a digital servo feedback encoder with absolute position detection and an insulation class F.
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Product Description:
The MHD115A-024-PG1-RA is a servo motor manufactured by Bosch Rexroth Indramat within the MHD Synchronous Motors series. It turns CNC or PLC commands into regulated rotary motion for positioning, indexing, and speed control on automated lines. A digital servo feedback encoder is built into the housing and delivers absolute position data over more than 4096 revolutions, allowing closed-loop accuracy under varying loads. The motor carries a plain shaft for direct coupling and a shaft seal to stop lubricant escape, so it suits sealed machine compartments where clean operation is required.
At standstill, the rotor can sustain 32.0 Nm of continuous torque while remaining inside the thermal limits of its F-class insulation. Mounting dimensions follow IEC patterns: a centering diameter of 180 mm and a square flange of 192 mm connect the 115-frame stator to gearboxes or bearing blocks without adapters. The motor is sealed to IP65, protecting the windings from dust and low-pressure washdown. Heat is removed by natural convection, so no external blower or liquid circuit is needed. The winding code 024 and motor length A give the magnetic circuit its rated impedance, and power enters through a right-side connector that keeps drive and feedback cables separated for noise control.
An integrated holding brake applies 70.0 Nm to lock the shaft when the inverter is disabled, securing vertical or indexing axes during downtime. The unit operates reliably between 0 to 40 °C ambient and maintains positioning repeatability within ± 0.5 angular minutes thanks to optical measurement of rotor angle. For warehousing or transport, it tolerates temperatures from -20 to +80 °C and altitudes up to 1000 m above mean sea level.
Frequently Asked Questions about MHD115A-024-PG1-RA:
Q: What type of shaft and sealing does the MHD115A-024-PG1-RA motor use?
A: The MHD115A-024-PG1-RA features a plain shaft with a shaft seal for reliable and secure operation.
Q: Does the MHD115A-024-PG1-RA have a holding brake, and if so, what is its torque?
A: This model includes a holding brake with a braking torque of 70.0 Nm for effective load holding when powered off.
Q: What is the degree of protection rating for the MHD115A-024-PG1-RA?
A: The MHD115A-024-PG1-RA has IP65 protection, making it resistant to dust and jets of water.
Q: What is the system accuracy of the MHD115A-024-PG1-RA servo motor?
A: System accuracy for this motor is ±0.5 angular minutes, providing precise performance.
Q: What type of position detection does the encoder on the MHD115A-024-PG1-RA offer?
A: The encoder uses optical measurement with absolute position detection for more than 4096 revolutions.
