MSK071D-0450-FN-S2-UG2-RNNN Bosch Rexroth Indramat
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MPN: R911308353
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The Bosch Rexroth Indramat MSK071D-0450-FN-S2-UG2-RNNN is part of the MSK IndraDyn S Synchronous Motors series and features a liquid cooling design with increased concentricity. This synchronous servomotor has a plain shaft, a holding brake with 30 Nm torque, and offers IP65 protection. It uses an optical EnDat2.1 singleturn encoder with a resolution of 2048 signal periods and operates in ambient temperatures from 0 to 40°C.
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Product Description:
The MSK071D-0450-FN-S2-UG2-RNNN is an IndraDyn S synchronous servomotor produced by Bosch Rexroth Indramat for precision axes in industrial automation. It is used on packaging, printing, and pick-and-place equipment where a servo drive must deliver accurate rotary motion with repeatable response. As part of the MSK IndraDyn S Synchronous Motors series, it converts controlled three-phase power from a Rexroth drive into stable motion for positioning and speed-controlled tasks. Its servo design supports coordinated axis movement in applications that require rapid acceleration, steady speed control, and repeatable positioning over long production cycles.
The unit uses liquid cooling and belongs to the FN cooling group, so the stator jacket can connect directly to a coolant circuit for heat removal. The housing has an IP65 protection rating, which helps keep dust and water jets away from internal components during operation. Continuous operation is permitted in ambient temperatures from 0 to 40 °C. A plain shaft supports direct coupling because no keyway or serrations interrupt the concentric fit, and Class 155 insulation allows the windings to tolerate elevated temperatures without losing dielectric strength. Because heat is carried away by the coolant loop rather than external airflow, the motor can be installed where fan-based cooling is undesirable or space is limited. The motor also has size 071, length code D, and winding code 0450.
An electrically released brake provides 30 Nm of holding torque to secure the load when inverter power is removed. Motion data are returned through an optical encoder with 2048 signal periods per revolution, which supports smooth interpolation in closed-loop servo control. The feedback system uses the EnDat2.1 digital interface, reducing the need for separate signal paths between the motor and the drive. For flexible cable routing, the encoder connector can be rotated through 240° to help avoid tight bends in crowded cabinets. The device uses single-turn scanning, so absolute position is retained within one mechanical revolution, and the optical principle helps maintain high resolution in electrically noisy environments.
Frequently Asked Questions about MSK071D-0450-FN-S2-UG2-RNNN:
Q: What cooling method is used on the MSK071D-0450-FN-S2-UG2-RNNN motor?
A: This model uses liquid cooling, which efficiently removes heat from the motor during operation.
Q: Does the MSK071D-0450-FN-S2-UG2-RNNN motor include a holding brake?
A: The MSK071D-0450-FN-S2-UG2-RNNN motor comes with an electrically-released holding brake providing 30 Nm of torque.
Q: What is the encoder resolution of the MSK071D-0450-FN-S2-UG2-RNNN motor?
A: The optical encoder provides a resolution of 2048 signal periods for precise feedback.
Q: What is the protection rating of the MSK071D-0450-FN-S2-UG2-RNNN motor?
A: This model is rated with IP65 protection, making it suitable for demanding industrial environments where dust and low-pressure water jets are present.
Q: What type of shaft does the MSK071D-0450-FN-S2-UG2-RNNN motor use?
A: The MSK071D-0450-FN-S2-UG2-RNNN features a plain shaft design, allowing for direct coupling to mechanical components.
