MSK050C-0450-NN-S3-UG0-NNNN Bosch Rexroth Indramat
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MPN: R911338293
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The Bosch Rexroth Indramat MSK050C-0450-NN-S3-UG0-NNNN is part of the MSK IndraDyn S Synchronous Motors series and features natural convection cooling with a standard design. This servomotor has a rotatable 240° encoder connector with Hiperface interface and capacitive singleturn technology. It comes in size 050 with a plain shaft, holds an IP65 protection rating, and does not include a holding brake.
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Product Description:
The MSK050C-0450-NN-S3-UG0-NNNN servo motor is produced by Bosch Rexroth Indramat within the MSK IndraDyn S Synchronous Motors series. It is an IndraDyn S synchronous servo motor intended for tightly controlled rotary positioning and speed regulation in automated machinery. The C-length body and 050 frame size make it suitable for compact axes, and the plain shaft couples directly to gearboxes or load bearings. Because the unit is supplied without a holding brake, holding force must be provided by external mechanical locking or drive torque when power is removed.
The motor relies on natural convection for heat dissipation, so correct orientation and unobstructed air paths are required to keep the winding below its temperature limit. Feedback wiring exits through a rotatable connector with 240° adjustment, which can be turned during installation to relieve cable strain. Position data are exchanged over the Hiperface interface, allowing simultaneous power and bidirectional communication between the encoder and the drive. Inside the encoder, signal interpolation is based on 16 signal periods, providing sufficient resolution for mid-range precision tasks. The scanning principle is capacitive, which tolerates humidity and magnetic fields better than optical discs.
Absolute position information is stored in a single-turn code track, which means the drive reads the shaft angle within one revolution and must count turns electronically if multi-turn data is needed. The housing is rated IP65, which blocks dust and water jets so the motor can be mounted on open machine frames. Continuous operation is specified for ambient temperatures between 0 to 40 °C, beyond which derating is necessary. The motor uses insulation class 155, allowing winding temperatures up to 155 °C before degradation. Winding code 0450 is intended for general-purpose servo drives that do not include forced cooling.
Frequently Asked Questions about MSK050C-0450-NN-S3-UG0-NNNN:
Q: What type of shaft does the MSK050C-0450-NN-S3-UG0-NNNN motor use?
A: This model is built with a plain shaft configuration for straightforward mechanical integration.
Q: What cooling method is used in the MSK050C-0450-NN-S3-UG0-NNNN motor?
A: The MSK050C-0450-NN-S3-UG0-NNNN motor operates with natural convection cooling, requiring no forced air or liquid cooling system.
Q: What is the operating ambient temperature range for the MSK050C-0450-NN-S3-UG0-NNNN?
A: The motor supports an ambient operating temperature from 0°C to 40°C, making it suitable for most industrial environments.
Q: What protection rating does the MSK050C-0450-NN-S3-UG0-NNNN motor offer?
A: This model has an IP65 protection rating, providing complete dust protection and resistance against water jets.
Q: What type of encoder and interface does the MSK050C-0450-NN-S3-UG0-NNNN motor provide?
A: The encoder interface is Hiperface, with single-turn capacitive encoder technology allowing precise position feedback.
