MSK101C-0300-NN-S1-BG2-NNNN

MSK IndraDyn S Synchronous Motors

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The Bosch Rexroth Indramat MSK101C-0300-NN-S1-BG2-NNNN is an IndraDyn S synchronous servomotor in the MSK IndraDyn S Synchronous Motors series. It offers natural convection cooling, an optical Hiperface encoder with 128 signal periods, and a plain shaft. Size 101 with electrically-released holding brake at 70 Nm, it delivers 36.5 Nm continuous torque (21.3 A) and 110 Nm maximum torque with 6,000 mH winding inductivity.

Technical Specifications

Cooling
Natural convection

Power Connector
B-Side

Encoder Technology
Optical

Encoder Turn Type
Singleturn

Encoder Interface
Hiperface

Encoder Resolution
128 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
Standard

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 role does natural-convection cooling (Cooling code FN) play in this motor’s thermal behavior?

Its passive heat dissipation stabilizes winding temperature without external fans for reducing maintenance and acoustic emissions. Its enclosure airflow and load duty is considered in sizing so that copper temperature rise stays compatible with 36.5 Nm continuous torque at standstill.

Why is a plain shaft advantageous in the MSK101C-0300-NN-S1-BG2-NNNN for precision transmission stages?

Its plain shaft eases coupling to zero-backlash collet or shrink-disc hubs for limiting keyway-induced eccentricity. It helps preserve encoder alignment and reduces torsional ripple in high-bandwidth servo applications.

How does the electrically released 70 Nm holding brake support safety and process reliability?

The brake releases for motion when is apllied, while on power loss, spring force clamps the rotor at 70 Nm for preventing axis drift. It suits vertical axes, palletizers and press feeders where fail-safe holding is critical.

How does maximum current (84.2 A) interact with drive selection for MSK101C-0300-NN-S1-BG2-NNNN?

The chosen IndraDrive must supply 84.2 A peak and adequate DC-link energy while honoring cable ampacity and fusing. It ensure current-loop bandwidth accommodates the winding inductivity to avoid saturation and instability during peaks.

How does the B-side power connector placement affect cabinet/wiring design for MSK101C-0300-NN-S1-BG2-NNNN?

The side-B orientation can shorten motor-to-drive cable runs on right-hand cable tracks for improving EMC layout. It also separates feedback cabling for easing strain-relief and minimizing crosstalk in high-dv/dt environments.

Common Misspellings

Internal Product Review

Bosch Rexroth produces the motor MSK101C-0300-NN-S1-BG2-NNNN that depends on passive convection cooling and it includes a singleturn optical Hiperface encoder of 128 periods. It possesses a plain design of shaft and provides a continuous torque of 36.5 Nm (21.3 A) with 110 Nm peak value. This motor comes with an electrically released 70 Nm brake for safe operations in systems like robotics and machine tools.