MSK075E-0300-NN-S2-UG1-RNNN Bosch Rexroth Indramat
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MPN: R911335513
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The Bosch Rexroth Indramat MSK075E-0300-NN-S2-UG1-RNNN is an IndraDyn S Synchronous Servomotor from the MSK IndraDyn S Synchronous Motors series. This motor features natural convection cooling, a plain shaft design, and IP65 protection rating. It comes with an optical singleturn encoder using EnDat2.1 interface and includes a holding brake with 23 Nm torque.
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Product Description:
Bosch Rexroth Indramat builds the MSK075E-0300-NN-S2-UG1-RNNN for the MSK IndraDyn S Synchronous Motors series. It is an IndraDyn S synchronous servo motor with frame size 075 and length code E, giving moderate inertia for medium-duty positioning. The mechanical package uses an increased concentricity design that limits shaft runout, which is important when the motor is coupled directly to precision ball screws or gear reducers in automated machining, packaging, and pick-and-place stations.
Thermal energy is dissipated through natural convection, so airflow around the ribs of the stator housing must remain unobstructed. The aluminum casing carries an IP65 ingress rating that helps seal the windings against dust and low-pressure water jets common in washdown areas. Position data travels over the EnDat2.1 serial interface, and a rotatable 240° connector lets the feedback lead exit in the preferred direction for tight cabinets. Inside the sensor, 2048 signal periods per revolution are generated and interpolated by the drive for fine speed regulation, while winding code 0300 aligns the electrical constants with compatible IndraDrive power modules. A plain shaft provides a continuous cylindrical surface for backlash-free clamp couplings, and the insulation system meets Class 155 for elevated copper temperatures under cyclic loads.
An electrically released holding brake exerts 23 Nm of static torque, preventing axis drift whenever supply power is removed. The feedback element uses single-turn counting, delivering absolute rotor position within one revolution, and its optical scanning method resists electromagnetic interference from nearby welders or inverters. Continuous duty is permitted from 0 to 40 °C, allowing installation on the factory floor without auxiliary chillers. This motor is suited for precise axis control in general automation tasks that require stable feedback, direct coupling capability, and dependable holding performance during power-off conditions.
Frequently Asked Questions about MSK075E-0300-NN-S2-UG1-RNNN:
Q: What type of shaft does the MSK075E-0300-NN-S2-UG1-RNNN motor have?
A: This model includes a plain shaft design, which provides a smooth rotating surface for applications requiring direct coupling without additional keys or modifications.
Q: What is the holding brake torque for this motor?
A: The MSK075E-0300-NN-S2-UG1-RNNN features an electrically released holding brake with a torque of 23 Nm.
Q: What type of encoder technology and resolution does this motor feature?
A: The motor utilizes optical encoder technology with an EnDat2.1 interface and a resolution of 2048 signal periods.
Q: How is the MSK075E-0300-NN-S2-UG1-RNNN motor cooled?
A: Cooling is achieved through natural convection, allowing the motor to operate without an external cooling system.
Q: What protection rating does the MSK075E-0300-NN-S2-UG1-RNNN offer?
A: It has a protection rating of IP65, making it resistant to dust and low-pressure water jets from any direction.
