MSK101C-0300-NN-S2-BG0-RNNN

MSK IndraDyn S Synchronous Motors

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The MSK101C-0300-NN-S2-BG0-RNNN servomotor by Bosch Rexroth Indramat is part of the MSK IndraDyn S Synchronous Motors series. It features natural convection cooling, a B-Side power connector, optical encoder technology, and an EnDat2.1 interface. It delivers 21.3 A continuous current at standstill with 36.5 Nm torque and can achieve up to 110.0 Nm maximum torque. The design offers increased concentricity and a winding inductivity of 6000 mH.

Technical Specifications

Cooling
Natural convection

Power Connector
B-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
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 are the thermal and duty-cycle implications of natural-convection cooling on MSK101C-0300-NN-S2-BG0-RNNN?

Its construction without forced air or liquid circuits amkes it reject heat through ambient airflow and enclosure design, while its axis sizing follows the 100 K model values. For elevated continuous power, it supports retrofit blowers or optional liquid cooling variants chosen at design time.

Why select the B-side M58 power connector orientation on MSK101C-0300-NN-S2-BG0-RNNN for dense multi-axis machines?

Its B-side routing separates motor power from feedback cabling for easing EMC layout and bend-radius constraints within cable trays. Its comparable B-side variants specify an M58 connector with sealed interfaces for informing cable routing practices and helping maintain protection ratings in the application.

How should 36.5 Nm continuous torque at standstill (100 K) and 21.3 A be interpreted during drive selection for MSK101C-0300-NN-S2-BG0-RNNN?

These represent thermally permissible continuous figures for a 100 K stator temperature rise that is used for continuous stall sizing with adequate margin. It is important to select a drive whose continuous current and DC-bus voltage support the commanded torque across the operating speed-torque envelope.

What advantage does the “increased concentricity” construction provide on MSK101C-0300-NN-S2-BG0-RNNN regarding path accuracy?

The tighter rotor–stator concentricity reduces mechanical runout and torque ripple to aid low-speed contouring and minimizing following error. It yields smoother velocity profiles and improved surface finish on machined or printed parts in multi-axis interpolation.

What’s the functional difference between S2 single-turn and M2 multi-turn encoders within the MSK series?

The single-turn S2 provides absolute position within one revolution, while after power loss, multi-revolution index must be restored mechanically. Its multi-turn M2 retains absolute turns count for simplifying recovery after power cycles at the expense of additional mechanics or energy storage.

Common Misspellings

Internal Product Review

The MSK101C-0300-NN-S2-BG0-RNNN motor from Bosch comes with a B-side M58 power exit and it uses an optical EnDat 2.1 single-turn encoder for precise positioning. It delivers 36.5 Nm torque by utilizing 21.3 A current and its peak torque capacity is up to 110 Nm. This motor is designed with increased concentricity and it has 6000 mH of inductivity. It is mainly deployed across packaging, printing and metal-forming machinery axes.