MSK050B-0300-NN-S2-UG1-RNNN Bosch Rexroth Indramat
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MPN: R911311140
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The Bosch Rexroth Indramat MSK050B-0300-NN-S2-UG1-RNNN is a synchronous servomotor from the MSK IndraDyn S Synchronous Motors series. It features natural convection cooling, an IP65 protection rating, and a holding brake with 6 Nm torque. The motor includes an optical EnDat2.1 encoder with 2048 signal periods and has a rotatable 240-degree encoder connector.
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Product Description:
The MSK050B-0300-NN-S2-UG1-RNNN is an IndraDyn S synchronous servomotor manufactured by Bosch Rexroth Indramat for the MSK IndraDyn S Synchronous Motors series. This motor provides precise rotary positioning and velocity control in automated machinery, acting as the electromechanical interface between the drive controller and the load. Integrated feedback and a plain output shaft allow it to couple directly to gearboxes or mechanical transmissions used in packaging lines, pick-and-place axes, or general motion platforms. Because it is intended for closed-loop servo operation, the paired drive can correct speed and position errors as process loads change during motion.
Thermal management is handled by natural convection, so external fans or liquid circuits are unnecessary, and heat is dissipated through the frame. Mechanical dimensions follow motor size 050 with the B length code, while electromagnetic behavior is set by winding code 0300. Motion feedback is supplied by an optical encoder that generates 2048 signal periods per revolution, and its signals reach the drive over the EnDat2.1 interface. The encoder housing can be turned through 240° to orient the connector without stressing the cable, and the single-turn design reports absolute position within one mechanical turn. This helps route the feedback connector in cramped machine spaces. Torque is transmitted through a plain shaft that supports couplings or pulleys without keyways.
Application environments that expose the unit to washdown or airborne particles are addressed by the IP65 enclosure rating, which helps keep dust and water jets away from internal components. The stator windings use insulation class 155, supporting the thermal limits expected for this motor type during normal operation. For fail-safe positioning during power loss, the electrically released holding brake supplies 6 Nm of static torque. The brake helps keep an axis from drifting when drive power is removed. Ambient use is permitted from 0–40 °C, matching many cabinet-mounted and open-machine installations.
Frequently Asked Questions about MSK050B-0300-NN-S2-UG1-RNNN:
Q: What type of encoder interface is available on the MSK050B-0300-NN-S2-UG1-RNNN motor?
A: The MSK050B-0300-NN-S2-UG1-RNNN motor utilizes an EnDat2.1 interface for its encoder.
Q: Does the MSK050B-0300-NN-S2-UG1-RNNN include a holding brake and what is its torque?
A: This model is equipped with a holding brake that is electrically released and provides 6 Nm of torque.
Q: How is the MSK050B-0300-NN-S2-UG1-RNNN motor cooled?
A: The MSK050B-0300-NN-S2-UG1-RNNN operates with natural convection cooling, requiring no external fans or forced ventilation.
Q: What type of shaft does the MSK050B-0300-NN-S2-UG1-RNNN motor have?
A: The shaft on the MSK050B-0300-NN-S2-UG1-RNNN is a plain shaft configuration.
Q: What level of environmental protection does the MSK050B-0300-NN-S2-UG1-RNNN motor provide?
A: The protection rating of this motor is IP65, ensuring it is dust-tight and resistant to water jets.
