MHD115B-058-PG0-LA Bosch Rexroth Indramat
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MPN: R911299046
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The Bosch Rexroth Indramat MHD115B-058-PG0-LA is a servo motor from the MHD Synchronous Motors series and has a plain shaft with shaft seal. It features a continuous standstill torque of 50 Nm, natural convection cooling, and an IP65 protection degree. The motor includes digital servo feedback with integrated encoder for absolute position detection and an insulation class F housing.
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Product Description:
Bosch Rexroth Indramat MHD115B-058-PG0-LA belongs to the MHD Synchronous Motors series and is a servo motor intended for closed-loop positioning and velocity control in industrial automation, where the motor responds to drive commands with precise rotary motion. By combining a plain shaft with an integrated absolute encoder, the unit supplies direct drive torque to transfer lines, packaging axes, and pick-and-place modules without intermediate gearing. The integrated feedback allows the drive to track shaft position continuously during motion. This arrangement suits applications that need accurate starts, stops, and speed changes without adding mechanical complexity between the motor and the driven load. Its power connector is on the left side, which helps simplify wiring inside compact control cabinets.
Its electromagnetic section delivers a continuous standstill torque of 50.0 Nm, produced by winding code 058 within the 115 frame size and B-length housing. Heat generated at rated load is removed by natural convection, so no external blower is required, and the F-class insulation maintains dielectric integrity during temperature rise. A centering shoulder of 180 mm and a 192 mm flange support rigid attachment, while IP65 sealing protects the housing against dust and low-pressure water jets. Position feedback is provided by digital servo feedback from an optical absolute system that covers more than 4096 revolutions. The plain shaft has a shaft seal, and the motor is supplied without a holding brake, which is suitable for systems that use an external mechanical lock.
The motor can operate at altitudes up to 1000 m above MSL without output derating, and its absolute optical encoder delivers positioning repeatability within ± 0.5 angular minutes. Continuous duty operation is rated for ambient air between 0 to 40 °C, which supports stable use in standard indoor machine installations. Safe storage or shipment is allowed from -20 to +80 °C without loss of calibration. These temperature limits help preserve encoder accuracy and insulation performance when the motor is out of service or being transported. The stated operating range also helps keep thermal behavior predictable during continuous production cycles.
