MSK101C-0300-NN-M2-AG0-RNNN

MSK IndraDyn S Synchronous Motors

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The MSK101C-0300-NN-M2-AG0-RNNN servomotor from Bosch Rexroth Indramat is part of the MSK IndraDyn S Synchronous Motors series. It features natural convection cooling, an A-Side power connector, optical encoder technology, and an EnDat2.1 encoder interface. At 100 K, it delivers a continuous current of 21.3 A, continuous torque of 36.5 Nm, and a maximum current of 84.2 A. It uses a plain shaft and features a 6,000 mH winding inductivity.

Technical Specifications

Cooling
Natural convection

Power Connector
A-Side

Encoder Technology
Optical

Encoder Turn Type
Multiturn Absolute

Encoder Interface
EnDat2.1

Encoder Resolution
2048 signal periods

Motor Length
C

Motor Size
101

Holding Brake
Without holding brake

Design
Increased concentricity

Product Type
IndraDyn S Synchronous Servomotor

Shaft Type
Plain shaft

Rated Speed Code
0300

Continuous Current at Standstill 100 K
21.3 A

Continuous Torque at Standstill 100 K
36.5 Nm

Maximum Current
84.2 A

Maximum Torque
110.0 Nm

Winding Inductivity
6,000 mH

Frequently Asked Questions

What distinguishes the MSK101C-0300-NN-M2-AG0-RNNN encoder system in closed-loop motion?

It uses an optical multiturn absolute encoder with EnDat 2.1 for providing digital position values with incremental tracks (2048 signal periods) for high-resolution commutation and feedback. Its hybrid digital/analog signaling of EnDat 2.1 improves noise immunity during acquisition and supports reliable position referencing at startup.

How does natural-convection cooling influence mounting of MSK101C-0300-NN-M2-AG0-RNNN?

Its design without forced air or liquid circuits uses heat dissipated through the frame, so clear airflow paths and thermally conductive mounting surfaces are beneficial. It simplifies cabling and maintenance while preserving ingress integrity in packaging, printing and machine-tool environments.

Why is “increased concentricity” valuable for this IndraDyn S motor in precision stages?

The tighter mechanical runout reduces cogging-related torque ripple coupling to the load for improving contour accuracy and surface finish. It directly enhances path fidelity and overlay alignment in CNC spindles, pick-and-place gantries and print registration axes.

How does the A-side power connector of MSK101C-0300-NN-M2-AG0-RNNN affect cabinet/loom design?

The standardized IndraDyn S power/feedback plug connectors simplify prefabricated harnesses and strain-relief routing on the motor’s A-side. It reduces installation variance and supports consistent shielding and thermal sensor integration per Rexroth connection practices.

Why is EnDat 2.1 still widely paired with IndraDrive and third-party drives?

It’s a proven bidirectional interface providing parameter readout, diagnostics and absolute position transfer at boot. Its drive support EnDat 2.1 natively for ensuring straightforward commissioning and reliable referencing across heterogeneous lines.

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Internal Product Review

Bosch Rexroth manufacture the servo motor MSK101C-0300-NN-M2-AG0-RNNN with A-side power entry and an optical multiturn EnDat 2.1 encoder with 2048 periods for precise feedback. It uses natural surface cooling for thermal management and offers 36.5 Nm of normal torque at 21.3 A as well as 110 Nm of peak torque. This motor comes with an increased concentricity to suit machine tools, packaging, printing and robotics.