MSK050B-0300-NN-M3-UG1-NNNN Bosch Rexroth Indramat
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MPN: R911345254
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The Bosch Rexroth Indramat MSK050B-0300-NN-M3-UG1-NNNN is part of the MSK IndraDyn S Synchronous Motors series. This servomotor features a plain shaft, natural convection cooling, and comes with an electrically-released holding brake rated for 6 Nm torque. It has a rotatable 240° encoder connector using Hiperface interface with multiturn absolute capacitive technology and an IP65 protection rating.
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Product Description:
The MSK050B-0300-NN-M3-UG1-NNNN is an IndraDyn S synchronous servomotor produced by Bosch Rexroth Indramat within the MSK IndraDyn S Synchronous Motors series. Designed for closed-loop industrial automation, this motor converts drive-amplifier commands into accurate rotary motion for axes that demand high positional repeatability and velocity control. It integrates into packaging machinery, handling systems, and assembly stations where compact dimensions and high torque density are required. Its synchronous design gives the connected drive responsive torque output and stable speed regulation during repeated start-stop cycles.
Heat generated by the stator is dissipated through natural convection, simplifying machine layout by removing the need for forced-air channels. Because cooling does not rely on an external blower, the motor can be mounted on moving or stationary machine sections without separate air ducting. A housing classified as IP65 blocks dust ingress and water jets so the unit can be mounted directly on machine frames. Feedback is transferred over Hiperface, and the encoder produces 16 signal periods per mechanical revolution for position evaluation by the drive. An electrically released holding brake supplies 6 Nm of static torque to secure vertical or suspended loads when power is cut. The motor has a plain shaft, and the brake leads exit through a connector that can rotate 240°. Motor length code B, size 050, and winding code 0300 identify the frame and winding combination used for this model.
The encoder’s Multiturn Absolute capability stores position across power cycles, which can reduce the need for a homing move after restart. Its capacitive scanning method resists magnetic interference that can appear near high-current busbars. Continuous service is supported inside an ambient range of 0 to 40 °C. Insulation class 155 allows the winding system to tolerate elevated internal temperatures during intermittent overloads. This supports repeated thermal cycling during changing load conditions without immediate damage to the winding varnish.
Frequently Asked Questions about MSK050B-0300-NN-M3-UG1-NNNN:
Q: How is the MSK050B-0300-NN-M3-UG1-NNNN servo motor cooled?
A: This model utilizes natural convection cooling for temperature regulation during operation.
Q: What type of shaft does the MSK050B-0300-NN-M3-UG1-NNNN utilize?
A: A plain output shaft is featured on this motor, enabling simple power transmission to connected equipment.
Q: What is the holding brake torque for the MSK050B-0300-NN-M3-UG1-NNNN model?
A: The holding brake on this servomotor delivers a torque of 6 Nm for secure load holding when powered off.
Q: What type of encoder and resolution does the MSK050B-0300-NN-M3-UG1-NNNN have?
A: It incorporates a multiturn absolute capacitive encoder with Hiperface interface and offers a resolution of 16 signal periods.
Q: What is the protection rating of the MSK050B-0300-NN-M3-UG1-NNNN?
A: This motor provides protection against dust and water jets with an IP65 protection rating.
