MSK050C-0300-NN-S3-UG1-NNNN Bosch Rexroth Indramat
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MPN: R911341155
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The Bosch Rexroth Indramat MSK050C-0300-NN-S3-UG1-NNNN is part of the MSK IndraDyn S Synchronous Motors series. This standard servomotor features natural convection cooling and a plain shaft, with IP65 protection and an operating ambient temperature range of 0 to 40°C. It is designed with a rotatable 240° encoder connector, singleturn Hiperface capacitive encoder, and includes a 6 Nm electrically-released holding brake.
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Product Description:
The MSK050C-0300-NN-S3-UG1-NNNN servomotor is produced by Bosch Rexroth Indramat within the MSK IndraDyn S Synchronous Motors series. As an IndraDyn S synchronous motor, it converts controlled electrical energy into precise rotary motion for closed-loop drive axes used in packaging machinery, handling robots, and general automation cells. The unit forms the electromechanical portion of a servo drive, pairing with an IndraDrive controller to supply position, speed, and torque commands that match demanding industrial duty cycles while maintaining tight feedback accuracy.
Cooling relies on natural convection, so no external fan or liquid circuit is needed, and heat is removed through the housing surface. The motor uses the standard design code, size 050, length C, and winding code 0300 for this configuration. An enclosure rating of IP65 blocks dust ingress and water jets, permitting installation on open machine frames. Position feedback is handled through a Hiperface interface, and a rotatable 240° connector lets the feedback cable exit within a 240-degree window to simplify routing. Internally, a capacitive measuring principle resolves 16 signal periods per revolution, giving stable position data even under vibration. A plain shaft minimizes coupling backlash.
The electrically released holding brake supplies 6 Nm of static torque, enabling the axis to stay fixed when power is removed. Brake engagement is coordinated through the feedback system for rapid clamping on vertical loads. Continuous service is supported within an ambient range of 0 to 40 °C, which aligns with typical factory floor temperatures. Because the encoder is single-turn, one absolute position is reported for each mechanical revolution. Windings use insulation class 155, allowing winding temperatures up to 155 °C before thermal limits are reached, and the plain shaft interface eases coupling to gearboxes or belt pulleys without keyways.
Frequently Asked Questions about MSK050C-0300-NN-S3-UG1-NNNN:
Q: What kind of holding brake does the MSK050C-0300-NN-S3-UG1-NNNN motor have?
A: This model includes a holding brake with a torque of 6 Nm that is electrically released.
Q: How is the MSK050C-0300-NN-S3-UG1-NNNN motor cooled?
A: The MSK050C-0300-NN-S3-UG1-NNNN uses natural convection for cooling, without fans or forced air systems.
Q: What is the protection rating of the MSK050C-0300-NN-S3-UG1-NNNN motor?
A: This motor is rated with IP65 protection, providing complete protection against dust and low-pressure water jets.
Q: What type of encoder and interface does the MSK050C-0300-NN-S3-UG1-NNNN feature?
A: The encoder interface on this model is Hiperface and uses capacitive singleturn technology.
Q: What type of shaft is provided on the MSK050C-0300-NN-S3-UG1-NNNN motor?
A: This servomotor has a plain shaft as its output shaft type.
