MHD131D-024-PG2-BN Bosch Rexroth Indramat
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MPN: R911294904
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The Bosch Rexroth Indramat MHD131D-024-PG2-BN is a servo motor from the MHD Synchronous Motors series, featuring a plain shaft with a shaft seal and a flange size of 260 mm. It is equipped with digital servo feedback with integrated encoder, offers a continuous torque at standstill of 160 Nm, and comes with a holding brake producing 240 Nm of torque. The motor uses liquid cooling, has IP65 protection, and operates in ambient temperatures from 0 to 40 °C.
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Product Description:
The MHD131D-024-PG2-BN is a servo motor manufactured by Bosch Rexroth Indramat and assigned to the MHD Synchronous Motors series. It uses digital servo feedback with an integrated encoder and supports absolute position detection beyond 4096 revolutions through an optical measuring method. The integrated encoder sends rotor position data directly to the drive, allowing speed and position control to react quickly to command changes. Because the feedback is absolute, the axis can retain position information across multiple turns. The motor uses size code 131, length code D, and winding code 024 for its electrical configuration. A plain shaft with a shaft seal transmits torque, and power and feedback are routed through an output connector on side B.
During operation, the unit can sustain 160 Nm of continuous torque at standstill, supported by an internal liquid cooling circuit that removes heat directly from the stator. Liquid circulation helps manage thermal load during low-speed, high-torque duty where heat can build quickly in the winding area. The housing is rated IP65, which helps protect internal parts from dust and water jets during normal service. System accuracy is ± 0.5 angular minute, allowing the drive to hold tight tolerances without an external encoder. The motor remains thermally stable in ambient temperatures from 0 to 40 °C. Its 260 mm flange mates with large-frame gearboxes or machine plates without additional adapters.
A built-in holding brake provides 240 Nm of torque to secure heavy loads when power is removed. This brake is useful on axes that must remain fixed at stop, especially where gravity or external force could move the load. Accurate alignment is simplified by the 250 mm centering diameter, which supports repeatable mounting concentricity. Installation is permitted up to 1000 m above mean sea level. The motor can be stored between −20 and +80 °C, allowing the unit to remain off-line for extended periods before use. Class F insulation supports the winding thermal limits.
