MSK050C-0450-NN-S3-UP1-NNNN Bosch Rexroth Indramat
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MPN: R911345017
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The Bosch Rexroth Indramat MSK050C-0450-NN-S3-UP1-NNNN is part of the MSK IndraDyn S Synchronous Motors series and is a standard design servomotor with a size of 050 and length C. It features a shaft with keyway, natural convection cooling, and an IP65 protection rating. The motor has a rotatable 240-degree encoder connector with Hiperface interface, capacitive singleturn encoder technology, and an electrically released holding brake providing 6 Nm of torque.
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Product Description:
The MSK050C-0450-NN-S3-UP1-NNNN is a synchronous servo motor manufactured by Bosch Rexroth Indramat for the MSK IndraDyn S Synchronous Motors series. In industrial automation, this motor converts controlled electrical power from an IndraDrive amplifier into rotary motion for tooling, conveyors, and auxiliary axes that require accurate positioning. Its compact 050 frame with length code C supports installation in restricted machine spaces, and the keyed shaft provides slip-free torque transfer to a gearbox or driven element. Because it is intended for closed-loop motion control, the motor supports precise speed regulation and repeatable positioning during starts, stops, and load changes.
The housing has an IP65 rating, which helps protect the windings and bearings from dust and low-pressure water jets. Heat is dissipated through natural convection, so the motor does not require forced-air cooling or liquid cooling plates. An electrically released brake provides 6 Nm of holding torque to keep vertical axes in place during power loss or emergency stops. Wiring is routed through a rotatable 240° combination connector, allowing the cable exit direction to be adjusted for confined cabinet layouts. Feedback is transmitted over a Hiperface interface, and the encoder supplies 16 signal periods per revolution for commutation and position feedback during smooth torque control. The 0450 winding code identifies the electrical characteristics used with compatible IndraDrive power sections.
The encoder uses capacitive sensing rather than optical disks, which improves resistance to shock and reduces sensitivity to contamination. Its single-turn measurement system reports absolute position within one mechanical revolution without multi-turn gearing on the rotor. The motor uses insulation class 155, allowing the stator to operate at elevated internal temperatures within the thermal design of the winding system. Reliable operation is intended for ambient temperatures from 0–40 °C, covering normal shop conditions without special cooling measures. The C-length housing and standard MSK mounting pattern support straightforward installation on machinery that requires accurate closed-loop motion and dependable holding capability.
Frequently Asked Questions about MSK050C-0450-NN-S3-UP1-NNNN:
Q: How is the MSK050C-0450-NN-S3-UP1-NNNN motor cooled?
A: The MSK050C-0450-NN-S3-UP1-NNNN features natural convection cooling, eliminating the need for external cooling fans.
Q: Does the MSK050C-0450-NN-S3-UP1-NNNN have a holding brake?
A: This model is equipped with a holding brake that is electrically released and has a torque rating of 6 Nm.
Q: What type of motor shaft does the MSK050C-0450-NN-S3-UP1-NNNN have?
A: The MSK050C-0450-NN-S3-UP1-NNNN uses a shaft with keyway for mechanical coupling.
Q: What type of encoder and resolution does the MSK050C-0450-NN-S3-UP1-NNNN use?
A: A capacitive singleturn encoder with Hiperface interface is included for feedback, providing 16 signal periods of resolution.
Q: What is the protection rating of the MSK050C-0450-NN-S3-UP1-NNNN motor?
A: The protection rating is IP65, ensuring the motor is dust-tight and protected against low-pressure water jets.
