MHD115A-024-PP1-BN Bosch Rexroth Indramat
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MPN: R911287421
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The Bosch Rexroth Indramat MHD115A-024-PP1-BN is a servo motor from the MHD Synchronous Motors series featuring a keyed shaft, holding brake with 70 Nm torque, and an IP65 protection rating. It incorporates a digital servo feedback encoder with absolute position detection and liquid cooling. The flange size is 192 mm, centering diameter is 180 mm, and it provides a continuous standstill torque of 32.0 Nm.
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Product Description:
The MHD115A-024-PP1-BN is a servo motor produced by Bosch Rexroth Indramat within the MHD Synchronous Motors series. Designed for demanding industrial automation axes, it converts electrical energy into controlled rotary motion while providing integrated position feedback through a digital optical encoder. When paired with an Indramat drive controller, the motor supports precise speed and position loops, making it suitable for packaging machines, machining centers, and material-handling equipment that require consistent dynamic performance. Its integrated feedback arrangement also helps simplify axis design by keeping motion sensing within the motor assembly.
At standstill, the motor can deliver 32.0 Nm of continuous torque, providing steady holding force under rated current without overheating. The housing carries an IP65 protection rating, sealing the stator against dust ingress and water jets so the unit can be mounted directly on the machine frame. Heat is removed by a liquid cooling channel that circulates coolant along the stator jacket, allowing higher continuous output than comparable air-cooled models at the same duty cycle. Mechanical interface points include a centering shoulder of 180 mm and a square flange measuring 192 mm, which help align the keyed shaft with couplings while the shaft seal limits contaminant entry and lubricant loss. The power leads exit toward side B through an output connector, which can help keep cable routing orderly in compact machine spaces.
To secure loads during power-off, a built-in brake supplies 70.0 Nm of holding torque and engages automatically when drive power is removed. Position accuracy is enhanced by a feedback system rated at ± 0.5 angular minutes, enabling tight contouring and repeatability in multi-axis assemblies. The encoder provides Absolute (>4096 revolutions) position tracking, so the controller can retain shaft position information across multiple turns without a homing cycle after each start-up. Operation is permitted in ambient temperatures from 0 to 40 °C, and Class F insulation supports elevated winding temperatures during continuous use. The motor may be installed up to 1000 m above mean sea level without derating.
