MSK075E-0450-NN-S2-UG1-RNNN Bosch Rexroth Indramat
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MPN: R911335327
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The Bosch Rexroth Indramat MSK075E-0450-NN-S2-UG1-RNNN is an IndraDyn S Synchronous Servomotor from the MSK IndraDyn S Synchronous Motors series. It features natural convection cooling, a plain shaft, and an IP65 protection rating. This motor includes an electrically-released holding brake with 23 Nm torque and has an optical, singleturn EnDat2.1 encoder with a resolution of 2048 signal periods.
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Product Description:
The MSK075E-0450-NN-S2-UG1-RNNN is an IndraDyn S synchronous servomotor produced by Bosch Rexroth Indramat within the MSK IndraDyn S Synchronous Motors series. It accepts closed-loop commands from a drive controller and converts them into precise rotary motion for indexing tables, gantry axes, and other automated equipment. Its synchronous design supports accurate speed and position control in automated axes that require repeatable movement under changing loads.
Heat is removed by natural convection, so the motor relies on ambient airflow instead of forced fans, and installation must allow free circulation around the housing. The housing carries an IP65 rating, which protects internal windings against dust ingress and low-pressure water jets. An electrically released holding brake delivers 23 Nm of static torque, permitting secure load retention when power is removed and disengaging automatically when the brake circuit is energized. Position feedback is exchanged through the EnDat2.1 serial interface, letting the drive controller read absolute position and diagnostic data over a single shielded pair. The integrated optical encoder supplies 2048 signal periods per revolution, giving the control loop angular granularity for speed regulation and accurate positioning.
Service connections are simplified by a 240° rotatable encoder connector that can be swiveled during wiring to reduce cable stress in tight panels. The sensing system is optical and operates in a single-turn format, reporting absolute position within one revolution. Continuous operation is specified for ambient temperatures from 0 to 40 °C, which aligns with typical plant conditions. The motor uses a plain shaft, enabling direct coupling with backlash-free clamping hubs. Rotor geometry follows an increased concentricity design that helps minimize cogging torque. Mechanical size 075 and length E set the stack dimensions, while winding code 0450 corresponds to the electrical constants used by matching Rexroth drives. The insulation system uses class 155 materials to support elevated internal winding temperatures.
Frequently Asked Questions about MSK075E-0450-NN-S2-UG1-RNNN:
Q: How is the MSK075E-0450-NN-S2-UG1-RNNN servo motor cooled?
A: The MSK075E-0450-NN-S2-UG1-RNNN servo motor uses natural convection for cooling, requiring no external fan or forced air system.
Q: What type of holding brake is included with the MSK075E-0450-NN-S2-UG1-RNNN motor?
A: This model comes equipped with a holding brake that is electrically-released and provides a holding torque of 23 Nm.
Q: What feature does the encoder connector offer on the MSK075E-0450-NN-S2-UG1-RNNN?
A: It features a rotatable encoder connector that can be positioned within a 240° range for flexible installation.
Q: What kind of encoder is used in the MSK075E-0450-NN-S2-UG1-RNNN motor?
A: The MSK075E-0450-NN-S2-UG1-RNNN is equipped with an EnDat2.1 optical singleturn encoder with a resolution of 2048 signal periods.
Q: What is the protection rating of the MSK075E-0450-NN-S2-UG1-RNNN servo motor?
A: This motor is built to a protection rating of IP65, making it highly resistant to dust and water spray.
