MSK100B-0400-NN-S2-BG1-RNNN Bosch Rexroth Indramat
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MPN: R911340775
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The Bosch Rexroth Indramat MSK100B-0400-NN-S2-BG1-RNNN is part of the MSK IndraDyn S Synchronous Motors series. This motor features natural convection cooling, a plain shaft, and a protection rating of IP65. It is equipped with an optical EnDat2.1 singleturn encoder with a resolution of 2048 signal periods and an electrically-released holding brake providing 32 Nm of torque.
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Product Description:
The MSK100B-0400-NN-S2-BG1-RNNN is a synchronous servo motor produced by Bosch Rexroth Indramat in the MSK IndraDyn S Synchronous Motors series. Classified as an IndraDyn S synchronous servo motor, it supplies closed-loop rotary motion for automated handling stations, printing lines, and general positioning axes in industrial automation. When paired with a compatible drive, it supports accurate acceleration, repeatable stopping, and stable speed control on axes that must respond quickly to changing loads. This makes it suitable for applications where compact installation and precise motion are both required.
Cooling is done by natural convection, so excess heat is released through the stator housing without forced air or liquid cooling. The enclosure meets IP65 protection, shielding laminations and bearings from dust and water spray often present near machine tools. Position feedback is delivered by an optical encoder that communicates via EnDat2.1; the measuring disk generates 2048 signal periods per revolution, and the device operates in single-turn mode to provide absolute angular data within one mechanical turn. A power connector on the B-side aids cable management when the motor is recessed inside frame openings. Frame size 100 and length code B set the magnetic stack dimensions, while the selected winding code tailors voltage constants for medium-speed duties. An electrically released brake supplies 32 Nm of holding torque to secure loads during emergency stops.
A plain shaft output permits direct clamp-hub coupling, and the rotor’s increased concentricity helps minimize radial runout that can burden precision gearboxes. Continuous operation is permitted between 0–40 °C, matching the ambient range of most enclosed production floors. Thermal endurance is provided by an insulation system rated at class 155, allowing the windings to reach that temperature before insulation breakdown. The internally designated winding 0400 is matched to the motor’s electrical characteristics for medium-speed operation, and the B-length stator helps limit overall machine depth.
Frequently Asked Questions about MSK100B-0400-NN-S2-BG1-RNNN:
Q: What type of cooling does the MSK100B-0400-NN-S2-BG1-RNNN motor use?
A: This motor uses natural convection cooling, operating without fans or forced cooling systems.
Q: Does the MSK100B-0400-NN-S2-BG1-RNNN motor include a holding brake and what is its torque?
A: The MSK100B-0400-NN-S2-BG1-RNNN is equipped with an electrically-released holding brake that delivers a torque of 32 Nm.
Q: What feedback encoder is used in the MSK100B-0400-NN-S2-BG1-RNNN, and what is its resolution?
A: This motor features an EnDat2.1 optical encoder with a resolution of 2048 signal periods and singleturn capability.
Q: What type of shaft does the MSK100B-0400-NN-S2-BG1-RNNN servo motor use?
A: The MSK100B-0400-NN-S2-BG1-RNNN servo motor comes with a plain shaft configuration.
Q: What is the protection rating of the MSK100B-0400-NN-S2-BG1-RNNN motor?
A: This model has an IP65 protection rating, offering complete protection against dust ingress and protection from low-pressure water jets.
