MHD115C-059-PG1-AN Bosch Rexroth Indramat
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MPN: R911297086
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The Bosch Rexroth Indramat MHD115C-059-PG1-AN is a servo motor from the MHD Synchronous Motors series featuring a plain shaft design, IP65 protection, and liquid cooling. It offers a continuous torque at standstill of 70.0 Nm and uses digital servo feedback with an integrated encoder for absolute position detection over more than 4096 revolutions. The motor also features an insulation class F, comes with a holding brake delivering 70.0 Nm, and supports ambient temperatures from 0 to 40 °C.
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Product Description:
The MHD115C-059-PG1-AN is a servo motor produced by Bosch Rexroth Indramat within the MHD Synchronous Motors series. It is used for closed-loop axis control in industrial automation where high accuracy, stable speed regulation, and continuous duty are required. This operating role makes it suitable for positioning axes that must hold commanded values under changing loads. The motor has size code 115 and length code C, and its absolute position feedback comes from an optically read digital servo encoder. An integrated holding brake allows load retention when power is removed, and the unit connects electrically through a connector on side A of the housing.
Mechanical interface dimensions include a 180 mm centering diameter and a 192 mm flange that match standard mounting frames. The flange and centering shoulder help the motor seat accurately against machine faces during installation. Motion is transferred through a plain shaft with a shaft seal, which supports direct coupling while helping protect the shaft opening. Continuous standstill torque reaches 70.0 Nm for static load control. Heat from the windings is removed by liquid cooling, so operation does not depend on ambient airflow alone. The housing is sealed to IP65, preventing dust ingress and water jets from reaching internal parts. The encoder provides absolute resolution beyond 4096 revolutions, Class F insulation supports winding temperatures up to 155 °C, and the motor may be stored between -20 °C and +80 °C without damage.
Electrical characteristics are set by winding code 059, which sets the coil resistance and inductance used by compatible drive controllers. A 70.0 Nm holding brake torque secures vertical axes during standby, and the brake helps keep the load from moving when supply power is off. The motor is approved for installation up to 1000 m above mean sea level. The unit maintains full performance within an ambient range of 0 to 40 °C. Encoder feedback provides a system accuracy of ±0.5 angular minutes, which supports precise position tracking during closed-loop motion.
