MSK101C-0300-NN-S2-AG2-RNNN

MSK IndraDyn S Synchronous Motors

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The Bosch Rexroth Indramat MSK101C-0300-NN-S2-AG2-RNNN is an IndraDyn S Synchronous Servomotor from the MSK IndraDyn S Synchronous Motors series, featuring natural convection cooling, an optical singleturn EnDat2.1 encoder with 2048 signal periods, an electrically-released 70 Nm holding brake, and a plain shaft design.

Technical Specifications

Cooling
Natural convection

Power Connector
A-Side

Encoder Technology
Optical

Encoder Turn Type
Singleturn

Encoder Interface
EnDat2.1

Encoder Resolution
2048 signal periods

Motor Length
C

Motor Size
101

Holding Brake
With holding brake, electrically-released

Holding Brake Torque
70 Nm

Constraint
Requires Cooling FN

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 encoder format does MSK101C-0300-NN-S2-AG2-RNNN use, and why singleturn matters for commissioning?

It uses an optical EnDat 2.1 singleturn encoder with 2048 signal periods for simplifying reference procedures while delivering precise position feedback without battery maintenance. Its singleturn feedback is ideal where absolute multi-revolution tracking isn’t required for cutting complexity and potential failure points.

Why is the 70 Nm electrically-released holding brake advantageous for vertical axes or safety-critical stops in MSK101C-0300-NN-S2-AG2-RNNN?

Its electrically-released brake applies torque when de-energized for providing fail-safe holding on power loss and secure clamping during E-stop. Its 70 Nm capacity stabilizes Z-axes and index stations during maintenance, homing or load changes.

How does natural-convection cooling influence continuous torque capability in the MSK101C-0300-NN-S2-AG2-RNNN?

The natural convection removes heat passively, so the motor’s continuous torque at standstill is defined for 100 K temperature rise, while forced cooling options exist in the series for higher duty demands. It enables predictable thermal behavior in cabinets or open frames without auxiliary blowers.

What does “A-side power connector (AG2)” imply for cable routing and EMC on MSK101C-0300-NN-S2-AG2-RNNN?

The A-side exit orients the power connector to a fixed housing side for simplifying parallel routing with encoder leads and cabinet layouts. Its consistent geometry helps maintain shield integrity, bend radii and separation from I/O harnesses for cleaner EMC behavior.

How does the plain-shaft design of MSK101C-0300-NN-S2-AG2-RNNN affect coupling selection and runout?

The plain shaft simplifies fitting elastomeric or bellows couplings and shrink-fit hubs for avoiding keyway stress risers. Its increased concentricity design targets lower runout, aiding precision gearheads or direct-coupled metrology axes when paired with balanced couplings.

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Internal Product Review

The Bosch Rexroth’s MSK101C-0300-NN-S2-AG2-RNNN synchronous servomotor uses natural-convection cooling and includes an EnDat 2.1 singleturn optical encoder of 2048 periods for feedback. It comes with a 70 Nm electrically-released design of brake to supports secure axis holding with a plain shaft. It suits installation in machine tools, packaging, printing, metal forming and robotics.