MSK050C-0450-NN-S3-UG1-NNNN Bosch Rexroth Indramat
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MPN: R911338292
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The Bosch Rexroth Indramat MSK050C-0450-NN-S3-UG1-NNNN is part of the MSK IndraDyn S Synchronous Motors series and features IP65 protection with natural convection cooling. This standard design servomotor has a plain shaft, motor size 050, and comes with a 6 Nm holding brake that is electrically-released. It is equipped with a singleturn capacitive encoder using Hiperface interface and has a rotatable encoder connector.
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Product Description:
The MSK050C-0450-NN-S3-UG1-NNNN is an IndraDyn S synchronous servomotor manufactured by Bosch Rexroth Indramat within the MSK IndraDyn S Synchronous Motors series. In industrial automation, the unit serves as a rotary actuator that delivers closely regulated torque and speed whenever it is paired with a compatible drive controller. Its electromechanical construction allows positioning of loads under closed-loop control, while the sealed housing supports installation on production machinery that operates continuously. This operating principle suits indexing axes, feed systems, and other servo applications that require repeatable motion. It follows the standard mechanical layout for this line, which helps maintain interface consistency with related motors.
The frame code 050 indicates the stator diameter, while length designation C adds an intermediate stack that increases continuous power density without enlarging the footprint. Winding code 0450 identifies the coil impedance set used to match this motor to standard IndraDrive current ratings. Heat is removed by natural convection, so no external blower or liquid circuit is necessary, and mounting space around the housing must allow free airflow. Because cooling is passive, the motor can be installed without separate fan wiring or coolant connections. A molded housing rated IP65 prevents dust ingress and water jets from reaching the windings, and the plain shaft permits direct coupling to gear sets or clamping hubs.
The servomotor is supplied with an electrically released holding brake that applies 6 Nm of static torque, enabling vertical or load-bearing axes to remain locked during emergency stops. Position data is generated by a Hiperface single-turn encoder that uses capacitive sensing across 16 signal periods. The feedback system provides rotor position for commutation and closed-loop speed regulation by the connected drive. Its connector can rotate 240° for flexible harness installation and easier cable routing in confined machine spaces. Continuous duty is supported within an ambient range of 0–40 °C, while insulation class 155 protects the stator windings against thermal stress during operation.
Frequently Asked Questions about MSK050C-0450-NN-S3-UG1-NNNN:
Q: How is the MSK050C-0450-NN-S3-UG1-NNNN motor cooled?
A: This model features natural convection cooling without the need for additional cooling devices.
Q: Does the MSK050C-0450-NN-S3-UG1-NNNN include a holding brake?
A: The MSK050C-0450-NN-S3-UG1-NNNN is supplied with an electrically-released holding brake.
Q: What encoder interface does the MSK050C-0450-NN-S3-UG1-NNNN motor use?
A: The encoder interface on this motor uses Hiperface technology.
Q: What is the protection rating of the MSK050C-0450-NN-S3-UG1-NNNN motor?
A: The protection rating of this motor is IP65, indicating a high degree of protection against dust and water.
Q: What type of shaft does the MSK050C-0450-NN-S3-UG1-NNNN motor have?
A: This motor is equipped with a plain shaft configuration.
