R911259129 (MDD093B-N-020-N2L-130GB0)

MDD Synchronous Motors

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The Bosch Rexroth R911259129 (MDD093B-N-020-N2L-130GB0) is a model of the MDD servo motors renowned for its variety of applications in fields such as robotics and textile machinery. It possesses a sensor in the stator windings for temperature monitoring, preventing thermal overload damage. With a nominal speed of 2,000rpm and a maximum torque of 45.1Nm, its housing assembly encourages natural convection and surface cooling, ideal for handling extreme loads. The sealed housing, rated IP 65 under DIN 40 050, keeps dust and water jets at bay, allowing operations under difficult environmental conditions. It employs digital servo feedback through an optical method for relative indirect position evaluation. With a system precision of ±0.5 angular minutes, a supplementary incremental encoder is unnecessary. The output plain shaft ensures a backlash-free, non-positive shaft-hub connection. Its compact, brushless design with lifetime-lubricated bearings facilitates easy installation and maintenance-free operation. The black prime coat shields the motor against weathering effects, and it can operate optimally at a maximum ambient temperature of 45°C.