R911391203 (MSK100B-0200-NN-S1-LP0-NSNN)
MSK IndraDyn S Synchronous Motors
Technical Specifications
Encoder Type
Single-Turn Position-Tracking Hiperface Optical
Shaft Type
Keyways with Sealing Ring
Inertia Moment
0.01920kgm2
Temperature Sensor
Included
Thermal Time Constant
40mins
Heat Dissipation Method
Natural Convection
Maximum Torque
102Nm
Continuous Torque
42Nm
Weight
34kg
Motor Type
Servo
Protection Rating
IP65
Insulation Class
155
Maximum Speed
4100 RPM
Power Connector Position
Left Side
Sound Pressure Level
75 decibels
Polar Pairs
4
Continuous Torque at 60 K
28Nm
Continuous Torque at 100 K
33Nm
Winding Inductance
7.600mH
Winding Resistance
0.58 ohms
Operating Temperature
0 to +40 degrees Celsius
Voltage Constant at 20 degrees Celsius
129.5 V/1000min-1
Torque Constant at 20 degrees Celsius
2.10 Nm/A
Frequently Asked Questions
Why choose natural-convection cooling on this MSK100B variant, and when would retrofitting auxiliary cooling make sense?
Its natural convection streamlines installation and reduces maintenance where continuous power density is moderate. Its axial/radial blower kits or liquid cooling options are for elevated continuous outputs.
How do 7,600 mH winding inductivity and 17.3 A standstill current shape current control and torque ripple? (MSK100B-0200-NN-S1-LP0-NSNN)
The higher inductivity filters switching harmonics for easing current regulator tuning and reducing ripple torque, while the specified standstill current maps predictably to torque via the motor’s torque constant. It supports stable low-speed servo behavior under load.
What are practical differences between single-turn (S1) and multi-turn (M1/Mx) encoders in the MSK series, and when is S1 adequate?
The single-turn gives absolute angle within one rev, while multi-turn adds turn count via gear or electronic counting. Its S1 configuration is adequate when axis never loses power mid-cycle or homing routines are acceptable across power cycles.
How should I interpret the 33 Nm continuous and 102 Nm maximum torque ratings for MSK100B-0200-NN-S1-LP0-NSNN in cycle design?
The 33 Nm (100 K) for thermal steady-state sizing is important, while short motion segments may draw up to ~102 Nm provided RMS torque respects thermal limits and drive current stays within short-term envelopes from Rexroth curves.
Does the left-side power connector on MSK100B-0200-NN-S1-LP0-NSNN affect EMC or cable planning in multi-axis cabinets?
Yes, the connector orientation simplifies segregation of power and feedback harnesses and helps maintain shield routing and bend radii per Rexroth wiring diagrams for improving EMC compliance and serviceability. It follows IndraDrive connection practices for MSK/QSK motors.
Common Misspellings
MSK100B0200NNS1LP0NSNN
MSK100B 0200 NN S1 LP0 NSNN
MSK-100B-0200-NN-S1-LP0-NSNN
Internal Product Review
The MSK100B-0200-NN-S1-LP0-NSNN servomotor from Bosch Rexroth is used in packaging, printing, robotics, and metal-forming industries for precise motion control. It features natural convection cooling and a single-turn optical Hiperface encoder. The motor delivers 33 Nm continuous torque, 102 Nm maximum torque, and has a 7,600 mH winding inductivity.
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