MHD112B-035-PG0-AN Bosch Rexroth Indramat
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MPN: R911295314
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The Bosch Rexroth Indramat MHD112B-035-PG0-AN is a servo motor that is part of the MHD Synchronous Motors series. It features liquid cooling, a plain shaft with sealing, and a centering diameter of 130 mm. The motor delivers a continuous torque at standstill of 28.0 Nm, has IP65 protection, and uses digital servo feedback with an integrated encoder for absolute position detection over more than 4096 revolutions.
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Product Description:
The MHD112B-035-PG0-AN is a servo motor produced by Bosch Rexroth Indramat within the MHD Synchronous Motors series. As a closed-loop actuator, it converts electrical power into precisely controlled rotary motion for positioning tasks in automated machinery. The motor is part of the manufacturer's liquid-cooled range and uses digital feedback for coordinated drive control. This combination supports accurate motion, repeatable torque at standstill, and stable operation in demanding automation systems. Because the feedback system is integrated into the motor, the drive can monitor rotor position directly without relying on external sensing hardware.
Its continuous standstill torque is 28.0 Nm, which is the load it can hold at zero speed during continuous operation. Thermal energy is removed through liquid cooling, and coolant around the stator helps keep winding temperature within the Class F insulation limit. The motor face uses a 192 mm flange for mounting to machine frames, and the housing is rated IP65 to resist dust and low-pressure water jets. Position feedback comes from an optically scanned digital encoder with a system precision of ± 0.5 angular minutes, which supports accurate closed-loop control. The plain shaft is supplied without a holding brake, and power exits through an output connector on side A. This layout is useful where stable holding torque, accurate shaft positioning, and protected cable routing are needed in one motor assembly.
During storage, the motor tolerates temperatures from −20 to +80 °C, and continuous operation is allowed within an ambient range of 0 to 40 °C without derating. A machined centering diameter of 130 mm helps align the housing with the machine interface and reduce radial misalignment during installation. The drive receives position data as Absolute (>4096 revolutions) feedback, which supports multi-revolution reference tracking after power cycles. Installation is permitted up to 1,000 m above sea level, and the shaft seal helps keep lubricant in place while limiting the entry of contaminants. The seal also supports use in areas where coolant mist or fine debris may be present around the drive end. The size 112 laminations, B-length frame, and winding code 035 set the motor's electrical and mechanical layout for compatible MHD drive systems.
