MSK075C-0450-NN-M2-UG1-RNNN Bosch Rexroth Indramat
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MPN: R911334923
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The Bosch Rexroth Indramat MSK075C-0450-NN-M2-UG1-RNNN is part of the MSK IndraDyn S Synchronous Motors series and uses natural convection cooling. This servomotor features a multiturn absolute optical encoder with EnDat2.1 interface and a resolution of 2048 signal periods. It comes with a plain shaft design, motor size 075, and includes a 23 Nm electrically-released holding brake.
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Product Description:
The MSK075C-0450-NN-M2-UG1-RNNN is a synchronous servo motor produced by Bosch Rexroth Indramat within the MSK IndraDyn S Synchronous Motors series. Designed for dynamically controlled axes in industrial automation, the unit converts drive current into precise rotary motion for positioning tables, feeders, and pick-and-place heads. The part designation combines the 075 frame size, the C length class, and winding code 0450, giving the motor a compact form for installations that need continuous torque with controlled motion. It is suited for applications that require repeatable positioning, steady speed regulation, and responsive movement during changing load conditions.
Thermal management relies on natural convection, eliminating the need for forced-air ducts or liquid circuits around the housing. For feedback, the motor uses the EnDat2.1 bidirectional interface, allowing parameter storage and communication with compatible IndraDrive controllers. Inside the encoder, an optical grating provides 2048 signal periods per mechanical revolution, while an internal gear preserves position across power cycles as a multi-turn absolute value. A plain shaft allows couplings to clamp directly to the stainless-steel journal, which helps maintain accurate alignment between the motor and the driven load. This feedback arrangement lets the drive react quickly to command changes during synchronized motion.
Stopping and holding functions are handled by an electrically released brake that delivers 23 Nm of static torque, allowing the axis to remain in position when power is removed. The rotor and stator are manufactured with increased concentricity, which reduces radial runout and supports smoother motion at low speeds. Connection space is simplified through a motor-side encoder plug that is rotatable through 240°, so cable exits can be aligned with surrounding machine geometry. The sensing head uses an optical scanning principle, which supports stable feedback operation without the magnetic interference that can affect inductive systems.
Frequently Asked Questions about MSK075C-0450-NN-M2-UG1-RNNN:
Q: What kind of encoder system is used on the MSK075C-0450-NN-M2-UG1-RNNN motor?
A: This model uses a multiturn absolute optical encoder with EnDat2.1 interface and a resolution of 2048 signal periods.
Q: What shaft type is featured on the MSK075C-0450-NN-M2-UG1-RNNN synchronous motor?
A: The motor is equipped with a plain shaft, suitable for applications not requiring keyed or splined output.
Q: What cooling method does the MSK075C-0450-NN-M2-UG1-RNNN employ?
A: Cooling for this motor is achieved through natural convection, eliminating the need for external fans.
Q: Does the MSK075C-0450-NN-M2-UG1-RNNN have a holding brake, and what is its torque?
A: A holding brake with 23 Nm of torque is included and is electrically released on this model.
Q: How flexible is the encoder connector positioning on the MSK075C-0450-NN-M2-UG1-RNNN motor?
A: The encoder connector is rotatable up to 240°, which allows for flexible cable routing during installation.
