MSK050C-0300-NN-S1-UP1-NSNN Bosch Rexroth Indramat
MPN: R911380301
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The Bosch Rexroth Indramat MSK050C-0300-NN-S1-UP1-NSNN is part of the MSK IndraDyn S Synchronous Motors series and features natural convection cooling. This synchronous servomotor has a standard and explosion protection design, a shaft with keyway, motor size 050, and motor length C. It includes a Hiperface singleturn optical encoder with 128 signal periods and a rotatable connector, as well as an electrically-released holding brake with 6 Nm torque.
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Product Description:
The MSK050C-0300-NN-S1-UP1-NSNN is an IndraDyn S synchronous servomotor manufactured by Bosch Rexroth Indramat and supplied as part of the MSK IndraDyn S Synchronous Motors series. This product combines a size 050 stator, a C-length housing, and winding code 0300 to generate precise electromechanical power for indexing tables, gantry axes, and other automated motion stations where repeatable speed and position are required. Its synchronous motor design allows the drive to regulate torque smoothly during acceleration, constant-speed operation, and short positioning moves. Output torque is transmitted through a shaft with a keyway, supporting rigid coupling to pulleys, gearboxes, or belt drives without relying only on friction fits.
The stator is cooled by natural convection, so heat is carried away through the housing surface without auxiliary fans or liquid circuits. Position feedback relies on a Hiperface interface that streams digital angle data to the drive controller while maintaining analog commutation tracks. Inside the encoder module, the base resolution is 128 signal periods per mechanical turn. The measuring principle is optical, giving stable phase accuracy and low jitter across the full operating temperature range. For controlled deceleration and load holding during power-off, an electrically released brake applies 6 Nm of static torque, preventing drivetrain movement until current is restored.
The feedback plug is rotatable through 240°, allowing the cable to exit in multiple directions to reduce bend stress inside tight cabinets. The mechanical build follows a standard design with explosion protection, so the motor can be used in ordinary or classified zones when paired with a suitable drive. Encoder evaluation uses a single-turn track that reports absolute position within one revolution, while multi-turn data can be handled by the motion controller if required. The cable outlet can be aligned to suit cabinet routing or machine-side clearances, which helps keep the feedback connection compact around nearby guards and mounting surfaces.
Frequently Asked Questions about MSK050C-0300-NN-S1-UP1-NSNN:
Q: How is the MSK050C-0300-NN-S1-UP1-NSNN motor cooled?
A: The MSK050C-0300-NN-S1-UP1-NSNN motor uses natural convection for cooling and does not require external fans.
Q: Does the MSK050C-0300-NN-S1-UP1-NSNN motor include a holding brake?
A: This model is fitted with a holding brake that is electrically released and provides 6 Nm of torque.
Q: What type of encoder does the MSK050C-0300-NN-S1-UP1-NSNN use?
A: The encoder uses Hiperface interface and delivers 128 signal periods with optical, singleturn technology.
Q: What type of shaft is used in the MSK050C-0300-NN-S1-UP1-NSNN motor?
A: The MSK050C-0300-NN-S1-UP1-NSNN motor features a shaft with keyway for secure mechanical connections.
Q: What design features does the MSK050C-0300-NN-S1-UP1-NSNN motor have regarding safety?
A: This motor is designed for both standard and explosion protection applications.