MHD131B-024-PG1-AN Bosch Rexroth Indramat
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MPN: R911319519
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The Bosch Rexroth Indramat MHD131B-024-PG1-AN is a servo motor from the MHD Synchronous Motors series with a flange size of 260 mm and a centering diameter of 250 mm. It features liquid cooling, a holding brake with 100 Nm torque, and an IP65 degree of protection. The motor provides a continuous torque at standstill of 48.0 Nm and has a digital servo feedback encoder with optical position detection accurate to ±0.5 angular minutes.
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Product Description:
The MHD131B-024-PG1-AN is a servo motor engineered by Bosch Rexroth Indramat within the MHD Synchronous Motors series. It converts electrical energy into controlled rotary motion for positioning, velocity, and torque tasks in automated machinery. By combining an integrated encoder with a brushless design, the unit enables closed-loop drive controllers to execute precise moves in packaging lines, gantry axes, and transfer modules. Sized for mid-frame loads, it supports continuous-duty applications that require high thermal headroom and a compact mounting envelope.
Thermal management relies on liquid cooling, so waste heat is removed through the stator jacket rather than cabinet air. Under continuous excitation, the motor can deliver 48.0 Nm of torque at standstill, providing stable holding force and low-speed drive capability. The housing has an IP65 protection rating, blocking dust ingress and water jets during washdown cycles. A flange diameter of 260 mm matches common machine mounting patterns and helps keep the rotor centered to the load. Rotor position is reported by digital servo feedback, allowing the controller to read absolute multi-turn data without homing. For fail-safe stops, the integrated holding brake supplies 100 Nm of static torque, securing vertical loads when power is removed.
System accuracy is ± 0.5 angular minutes, obtained through optical measurement and a fine pole pitch. The motor can be stored between -20 to +80 °C and operated continuously in ambient temperatures from 0 to 40 °C without derating, provided installation remains below 1000 m above mean sea level. A plain shaft and a shaft seal support low-backlash couplings while helping prevent lubricant leakage. The 250 mm centering diameter eases coaxial alignment, and insulation class F windings tolerate high internal temperatures under dynamic duty cycles. Absolute feedback beyond 4096 revolutions eliminates cycle-start routines, and the side-A power connector streamlines cable routing inside compact enclosures.
