MSK050C-0300-NN-M3-UP1-NNNN Bosch Rexroth Indramat
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MPN: R911340556
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The Bosch Rexroth Indramat MSK050C-0300-NN-M3-UP1-NNNN is a synchronous servomotor from the MSK IndraDyn S Synchronous Motors series. It features natural convection cooling, a shaft with keyway, and a rotatable encoder connector rated at 240°. The motor is equipped with a multiturn absolute capacitive encoder and has an electrically-released holding brake with 6 Nm torque, along with an IP65 protection rating.
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Product Description:
The MSK050C-0300-NN-M3-UP1-NNNN is an IndraDyn S synchronous servomotor manufactured by Bosch Rexroth Indramat and supplied within the MSK IndraDyn S Synchronous Motors series. In automated machinery, this motor supplies closed-loop rotary motion that can be synchronized precisely with drive commands, making it suitable for positioning axes, pick-and-place heads, and packaging spindles. It is intended for servo applications that require repeatable speed and position control during frequent starts, stops, and load changes.
The motor is cooled by natural convection, so heat is dissipated through the housing without external blowers or liquid circuits. Its enclosure carries a protection rating of IP65, sealing the stator against dust and low-pressure water jets encountered on production floors. A factory-installed brake delivers 6 Nm of static torque and is electrically released, allowing mechanical clamping when power is off. Digital feedback is provided through the Hiperface interface. The capacitive encoder built into the end bell resolves position over 16 signal periods and records revolutions with a multi-turn absolute track, so the controller can read angle and count immediately after power-up. Mechanical sizing uses motor size 050 and length code C, while winding code 0300 corresponds to the electrical values used by matched IndraDrive inverters. The design is standard, so no optional liquid seal or reinforced bearings are included.
Continuous operation is specified for ambient temperatures between 0–40 °C, and the stator insulation is rated to thermal class 155 for safe winding temperatures under full load. Output torque is transmitted through a shaft with keyway, which supports rigid coupling to pulleys or gears. The encoder cable exits through a rotatable 240° connector, giving more flexibility when the motor is mounted in tight enclosures or inverted positions. This connector arrangement helps simplify cable routing where surrounding machine components limit access to the motor connection area.
Frequently Asked Questions about MSK050C-0300-NN-M3-UP1-NNNN:
Q: What type of cooling does the MSK050C-0300-NN-M3-UP1-NNNN motor use?
A: The MSK050C-0300-NN-M3-UP1-NNNN features natural convection cooling for heat dissipation.
Q: What type of encoder and interface does the MSK050C-0300-NN-M3-UP1-NNNN use?
A: This motor includes a multiturn absolute encoder with Hiperface interface for position feedback.
Q: Does the MSK050C-0300-NN-M3-UP1-NNNN include a holding brake and what is its torque?
A: A holding brake with 6 Nm torque is provided and is electrically released on this model.
Q: What shaft type does the MSK050C-0300-NN-M3-UP1-NNNN motor have?
A: The shaft on this model is designed with a keyway for secure mechanical coupling.
Q: What is the protection rating of the MSK050C-0300-NN-M3-UP1-NNNN motor?
A: The protection rating for this motor is IP65, guarding it against dust and water jets.
