MSK071E-0300-NN-M2-UG1-RNNN Bosch Rexroth Indramat
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MPN: R911310502
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The Bosch Rexroth Indramat MSK071E-0300-NN-M2-UG1-RNNN is part of the MSK IndraDyn S Synchronous Motors series and features a plain shaft with natural convection cooling. This servomotor has a multiturn absolute optical encoder with a rotatable connector and 2048 signal periods. It also includes an electrically-released holding brake with a torque of 23 Nm and is designed for increased concentricity.
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Product Description:
The MSK071E-0300-NN-M2-UG1-RNNN servomotor is produced by Bosch Rexroth Indramat and belongs to the MSK IndraDyn S Synchronous Motors series. As an IndraDyn S synchronous servomotor, it converts drive-controller output into tightly regulated mechanical motion for industrial axes that must start, stop, and position with repeatable accuracy. The E-length housing and 071 frame let the motor deliver significant continuous torque in a restricted footprint, and the increased concentricity design keeps shaft runout low so coupling loads on bearings and connected mechanics remain predictable. This supports accurate indexing, feeding, and synchronized motion in automated equipment.
Passive heat removal through natural convection eliminates external fans, reducing maintenance points and keeping protective seals intact. The motor uses frame code 071, and its E length stack provides an extended active iron section for higher continuous torque than shorter versions in the same frame. Internal copper arrangement follows winding code 0300, which indicates the resistance and inductance values used by compatible IndraDrive power modules. A plain shaft couples directly to precision gearheads or belt pulleys without keys, which helps limit runout that can be introduced by keyways. This combination suits applications that need smooth rotation under changing load conditions and limited installation space.
The optical feedback system supplies 2048 signal periods per revolution through an EnDat2.1 interface, delivering position data as a multiturn absolute value so the controller knows shaft location after power loss. The connector can be rotated 240° to suit tight cable ducts, and optical scanning improves immunity to magnetic stray fields. An electrically released brake clamps the rotor when the drive is disabled, producing 23 Nm of static holding torque for vertical or suspended axes. The feedback and brake arrangement supports controlled holding during stops and stable restart behavior when the axis is enabled again.
Frequently Asked Questions about MSK071E-0300-NN-M2-UG1-RNNN:
Q: Does the MSK071E-0300-NN-M2-UG1-RNNN motor include a holding brake?
A: This motor is equipped with a holding brake that is electrically released and provides a holding brake torque of 23 Nm.
Q: What encoder interface is featured on the MSK071E-0300-NN-M2-UG1-RNNN motor?
A: The MSK071E-0300-NN-M2-UG1-RNNN motor uses an EnDat2.1 interface for its optical encoder.
Q: What type of encoder connector is used on the MSK071E-0300-NN-M2-UG1-RNNN?
A: A rotatable 240° encoder connector is provided on this model for flexible installation.
Q: How is the MSK071E-0300-NN-M2-UG1-RNNN motor cooled?
A: The MSK071E-0300-NN-M2-UG1-RNNN motor features natural convection cooling, requiring no external fans.
Q: What encoder technology and resolution does the MSK071E-0300-NN-M2-UG1-RNNN include?
A: This motor uses a multiturn absolute optical encoder with 2048 signal periods for precise position tracking.
