MSK050B-0450-NN-M3-UG1-NNNN Bosch Rexroth Indramat
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MPN: R911373620
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The Bosch Rexroth Indramat MSK050B-0450-NN-M3-UG1-NNNN is part of the MSK IndraDyn S Synchronous Motors series and offers natural convection cooling with a standard design. This servomotor features a multiturn absolute capacitive encoder with Hiperface interface, and includes an electrically-released holding brake that provides 6 Nm of torque. It has an IP65 protection rating and is built with a plain shaft for its "050" size and length "B" configuration.
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Product Description:
The MSK050B-0450-NN-M3-UG1-NNNN synchronous motor is produced by Bosch Rexroth Indramat for the MSK IndraDyn S Synchronous Motors series. As a servo drive element, it converts electrical power into precisely regulated torque and speed for positioning axes, packaging formers, and pick-and-place modules within automated lines. The motor pairs with IndraDrive controllers and closed-loop feedback to maintain accurate motion profiles during repeated starts, stops, and speed changes. This makes it suitable for automation tasks that require consistent positional repeatability and stable dynamic response.
The unit relies on natural convection to dissipate heat, so surrounding machine space must allow unobstructed airflow around the housing. Its sealed construction carries an IP65 protection rating, which helps keep out dust and protects against low-pressure water jets. A rotatable 240° connector simplifies encoder cable routing, and the feedback chain uses the Hiperface protocol for communication with the drive. Inside the encoder, a capacitive sensing element produces 16 signal periods per electrical revolution for precise position detection. The motor uses size 050 with length code B, and its plain shaft transfers torque directly to suitable couplings without a key.
The encoder provides multiturn absolute position tracking, so the drive can retain position information through power cycles and restart without a homing move in many applications. During shutdown, an electrically released brake provides 6 Nm of holding torque, which is useful when the axis must remain stationary after power is removed. Continuous service is intended for ambient temperatures from 0 to 40 °C, and the motor uses insulation class 155 to support safe thermal operation under normal load. Winding code 0450 identifies the stator copper layout and electrical characteristics matched to the corresponding IndraDrive amplifier.
Frequently Asked Questions about MSK050B-0450-NN-M3-UG1-NNNN:
Q: How is the MSK050B-0450-NN-M3-UG1-NNNN motor cooled?
A: The MSK050B-0450-NN-M3-UG1-NNNN motor uses natural convection for cooling, operating without additional fans or forced ventilation.
Q: What type of encoder does the MSK050B-0450-NN-M3-UG1-NNNN motor use?
A: This model is equipped with a multiturn absolute encoder using capacitive technology, offering reliable position feedback.
Q: What kind of shaft is included with the MSK050B-0450-NN-M3-UG1-NNNN motor?
A: The MSK050B-0450-NN-M3-UG1-NNNN comes with a plain shaft, suitable for applications where a keyed connection is not required.
Q: What is the holding brake specification for the MSK050B-0450-NN-M3-UG1-NNNN?
A: The holding brake on this model is electrically released and delivers a holding torque of 6 Nm.
Q: What level of protection does the MSK050B-0450-NN-M3-UG1-NNNN motor offer?
A: The MSK050B-0450-NN-M3-UG1-NNNN features an IP65 protection rating, making it suitable for use in dusty and splash-prone environments.
