MSK050B-0450-NN-S2-UP1-RSNN Bosch Rexroth Indramat
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MPN: R911334111
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The Bosch Rexroth Indramat MSK050B-0450-NN-S2-UP1-RSNN is part of the MSK IndraDyn S Synchronous Motors series and features a natural convection cooling method with IP65 protection. This synchronous servomotor includes a singleturn optical encoder with EnDat2.1 interface and a rotatable connector, as well as an electrically-released holding brake with a torque of 6 Nm. It is designed with increased concentricity, explosion protection, and operates in ambient temperatures from 0 to 40°C.
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Product Description:
The MSK050B-0450-NN-S2-UP1-RSNN is an IndraDyn S synchronous servo motor built by Bosch Rexroth Indramat and included in the MSK IndraDyn S Synchronous Motors series. As a compact rotary actuator, it works with compatible drive controllers to provide closed-loop torque and speed control for assembly stations, pick-and-place gantries, and CNC auxiliary axes. Its permanent-magnet design and optical feedback support precise positioning when short cycle times and repeatable motion are required. This type of motor is commonly used where rapid starts, controlled deceleration, and stable low-speed operation are important to the overall motion sequence. It is also well suited to compact machine sections where accurate feedback is needed without increasing the motor footprint.
Heat is removed by natural convection, so no external fan or liquid circuit is required during normal operation. The housing has an IP65 rating, which helps protect internal components from dust and water jets in typical industrial settings. The motor is intended for ambient temperatures from 0–40 °C, which suits enclosed indoor machinery and similar installations. For easier cable routing, the encoder connector can rotate through 240°, which helps when space around the motor is limited. Feedback communication uses the EnDat2.1 protocol, allowing the connected drive to process precise position data and maintain accurate synchronization with commanded axis movement. Natural cooling also avoids the added maintenance and noise associated with auxiliary blowers.
The optical encoder provides 2048 signal periods per revolution, giving the drive detailed position information for speed regulation and indexing tasks. Because it is a single-turn design, the position value is referenced within one mechanical turn rather than across multiple turns. An electrically released holding brake supplies 6 Nm of static torque, which helps keep a vertical axis in place when drive current is removed. The brake is useful on axes that must remain stationary at rest. The motor also uses insulation class 155, supporting elevated winding temperatures during short overload periods while maintaining normal servo operation.
Frequently Asked Questions about MSK050B-0450-NN-S2-UP1-RSNN:
Q: What cooling method is used in the MSK050B-0450-NN-S2-UP1-RSNN motor?
A: The MSK050B-0450-NN-S2-UP1-RSNN motor uses natural convection for cooling during operation.
Q: What type of holding brake does the MSK050B-0450-NN-S2-UP1-RSNN have and what is its torque rating?
A: This motor is equipped with an electrically-released holding brake that provides 6 Nm of torque.
Q: What encoder technology and interface does the MSK050B-0450-NN-S2-UP1-RSNN motor feature?
A: The MSK050B-0450-NN-S2-UP1-RSNN utilizes an optical singleturn encoder with a resolution of 2048 signal periods and EnDat2.1 interface.
Q: What type of encoder connector does the MSK050B-0450-NN-S2-UP1-RSNN motor include?
A: A rotatable encoder connector, adjustable up to 240°, is included on this motor model.
Q: What is the protection rating of the MSK050B-0450-NN-S2-UP1-RSNN synchronous servomotor?
A: The MSK050B-0450-NN-S2-UP1-RSNN motor is rated with IP65 protection for use in demanding environments.
