MSK101D-0200-NN-S1-LP0-NNNN

MSK IndraDyn S Synchronous Motors

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The Bosch Rexroth Indramat MSK101D-0200-NN-S1-LP0-NNNN servomotor from the MSK IndraDyn S Synchronous Motors series is a high-precision IndraDyn S Synchronous Servomotor featuring a Motor Size of 101 and a Motor Length of D. It delivers a Continuous Torque at Standstill of 57.0 Nm at Continuous Current at Standstill of 26.8 A, and reaches a Maximum Torque of 160.0 Nm with a Maximum Current of 99.9 A. The motor employs natural convection Cooling and a Left-Side Power Connector. Its Encoder Technology is Optical with a Singleturn Encoder Turn Type and Hiperface Encoder Interface achieving Encoder Resolution of 128 signal periods. Designed in a Standard design without Holding Brake, it features a Shaft Type of Shaft with keyway and a winding inductivity of 6,000 mH.

Technical Specifications

Cooling
Natural convection

Power Connector
Left-Side

Encoder Technology
Optical

Encoder Turn Type
Singleturn

Encoder Interface
Hiperface

Encoder Resolution
128 signal periods

Motor Length
D

Motor Size
101

Holding Brake
Without holding brake

Design
Standard

Product Type
IndraDyn S Synchronous Servomotor

Shaft Type
Shaft with keyway

Rated Speed Code
0200

Continuous Current at Standstill 100 K
26.8 A

Continuous Torque at Standstill 100 K
57.0 Nm

Maximum Current
99.9 A

Maximum Torque
160.0 Nm

Winding Inductivity
6,000 mH

Frequently Asked Questions

What trade-offs arise from using a “Standard design” (without special protection) in industrial environments?

A standard motor without extra sealing or environmental protection is more vulnerable to dust, moisture, or debris ingress, so in harsh environments you may need external protection or an upgraded variant to maintain reliability and avoid encoder errors.

How do you estimate the thermal time constant or permissible duty cycles from continuous vs peak torque specs?

By comparing continuous torque (57 Nm) and peak torque, and knowing the motor’s thermal mass, you can derive how long you can run at high torque before the motor overheats (i.e. allowable duty cycle). In practice, manufacturer’s planning manuals (e.g., the Rexroth IndraDyn S Project Planning Manual) give thermal time constant curves for safe peak durations.

In what scenarios would this motor’s lack of holding brake become a system limitation?

Without a holding brake, the motor can’t resist external torques when unpowered, so for vertical axes, safety zones, or applications needing fail-safe hold, you’ll need an external brake or mechanical locking device.

How would you size a drive filter or input choke considering the motor’s current consumption?

You should consider the motor’s maximum current (99.9 A) plus margin, select a DC-link filter that can handle ripple currents above that, and ensure its inductance doesn’t overly degrade the drive’s voltage dynamics; also coordinate the drive manufacturer’s recommended input filter specs (from datasheet) to avoid oscillations.

What mechanical alignment considerations arise from the left-side power connector?

The left-side power connector means cabling must exit sideways, so you must ensure sufficient cable bend radius clearance and avoid running the cable across moving structures that might obstruct or fatigue the wires.

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Internal Product Review

The MSK101D-0200-NN-S1-LP0-NNNN servomotor from Bosch Rexroth is commonly used in robotics, printing machines, packaging lines, and CNC systems. It delivers 57.0 Nm continuous torque, 160.0 Nm peak torque, and uses natural convection for cooling. The motor includes a singleturn optical encoder with Hiperface interface and 128 signal periods.