MSK071E-0300-NN-M1-UG1-NNNN Bosch Rexroth Indramat
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MPN: R911309394
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The Bosch Rexroth Indramat MSK071E-0300-NN-M1-UG1-NNNN is part of the MSK IndraDyn S Synchronous Motors series. This standard design synchronous servomotor features a plain shaft, natural convection cooling, and a motor size of 071 with length E. It is equipped with a multiturn absolute optical encoder using Hiperface technology and includes an electrically-released holding brake with a torque of 23 Nm.
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Product Description:
The MSK071E-0300-NN-M1-UG1-NNNN is an IndraDyn S synchronous servo motor produced by Bosch Rexroth Indramat within the MSK IndraDyn S Synchronous Motors series. It converts drive controller output into precise rotary motion for axis control in automated machinery where tight velocity and torque regulation are required. This type of motor is typically paired with a compatible servo drive to maintain closed-loop motion under changing load conditions. Its compact frame supports use on machine axes where accurate acceleration, deceleration, and positioning are important.
Heat generated during operation is removed through natural convection, so the housing must be mounted where ambient airflow is not restricted. Feedback is transferred to the drive via the Hiperface interface, enabling power-on communication of absolute position data. That data is generated by an encoder that delivers 128 signal periods per mechanical revolution, giving the controller fine angular resolution for smooth commutation. An electrically released brake supplies 23 Nm of static holding torque, allowing vertical or suspended loads to remain fixed when the drive is disabled. The rotor uses a plain shaft, which supports direct coupling with pulleys or zero-backlash clamping hubs without keyways.
Long-term positional tracking is maintained by a multi-turn absolute measurement system, which records rotational travel across power cycles without a homing move. The underlying sensing method is optical, reducing drift and supporting high repeatability during extended duty cycles. With a frame diameter of 071, the motor fits medium-power axes and remains compatible with standard MSK mounting flanges. Winding code 0300 matches the motor to drive controllers that can supply the required current and voltage for that coil set. The encoder connector can be rotated through 240°, which helps with cable routing, and the motor uses length E with a standard mechanical design.
Frequently Asked Questions about MSK071E-0300-NN-M1-UG1-NNNN:
Q: What cooling method is used in the MSK071E-0300-NN-M1-UG1-NNNN motor?
A: The MSK071E-0300-NN-M1-UG1-NNNN is equipped with natural convection cooling, allowing operation without forced-air systems.
Q: What is the holding brake specification for the MSK071E-0300-NN-M1-UG1-NNNN?
A: This model features an electrically-released holding brake providing a torque of 23 Nm.
Q: What type and resolution of encoder does the MSK071E-0300-NN-M1-UG1-NNNN have?
A: The encoder uses multiturn absolute optical technology with a resolution of 128 signal periods.
Q: What kind of encoder connector is provided with the MSK071E-0300-NN-M1-UG1-NNNN?
A: A rotatable encoder connector with a 240° adjustment is included on this motor.
Q: What shaft type is featured on the MSK071E-0300-NN-M1-UG1-NNNN motor?
A: The MSK071E-0300-NN-M1-UG1-NNNN comes with a plain shaft configuration.
