R911338085 (MSK100A-0300-NN-S1-AP1-NNNN)
MSK IndraDyn S Synchronous Motors
Technical Specifications
Holding Brake Weight
1.1 kilograms
Holding Torque
32 Newton meters
Maximum Speed
5200 revolutions per minute
Maximum Output Torque
54 Newton meters
Feedback Encoder
Single-turn absolute
Transportation Temperature
-20 to +80 degrees Celsius
Thermal Time Constant
39 minutes
Constant Torque at 60K
15 Nm
Constant Current at 60K
10.2 A
Noise Generation
Less than 75 decibel
Operating Temperature
0 to +40 degrees Celsius
Weight with Surface Cooling
23 kilograms
Moment of Inertia
0.01100 kg per sq.m
Output Shaft Seal
Sealing ring with keyways
Inductance
11.20 mH
Torque Constant
1.70 Nm/A
Winding Resistance
1.10 ohms
Electrical Connection Position
Motor housing A-side
Motor Housing Finish
40-micron black paint
Protection Certification
IP65
Frequently Asked Questions
Why specify an A-side power connector on MSK100A-0300-NN-S1-AP1-NNNN for cabinet or machine layouts?
The A-side exit provides predictable cable routing and bend-radius management in tight enclosures for minimizing EMI coupling into feedback lines. It also standardizes harnessing across MSK100 frames for reducing installation time and service variability during retrofits.
What advantages does the electrically released 32 Nm holding brake bring to MSK100A-0300-NN-S1-AP1-NNNN in vertical or indexed axes?
The fail-safe engagement upon power loss prevents axis drift for protecting tooling and workpieces during e-stop or maintenance. Its 32 Nm brake torque accommodates static loads and fixture inertia typical of Z-axes and rotary indexers without backdriving.
How do 11.6 A continuous standstill current and 17 Nm continuous standstill torque map to thermal limits on MSK100A-0300-NN-S1-AP1-NNNN?
These ratings define allowable continuous holding force without exceeding insulation class limits. Its integrators should verify duty cycles and ambient conditions because natural-convection cooling raises temperature rise sensitivity versus forced-air options.
How does a keyed shaft influence coupling design and backlash management on the MSK100A-0300 variant?
The keyway ensures torque transfer without slip for allowing simpler hub tolerances than shrink-fit while easing service. It is important to use backlash-optimized couplings or preloaded gearheads to keep torsional compliance within tuning bandwidth targets.
What role does the 11,200 mH winding inductivity play in current control for MSK100A-0300-NN-S1-AP1-NNNN?
The higher phase inductivity smooths current ripple and eases PWM filtering for improving torque linearity at low speed. Its drive current-loop bandwidth must be configured accordingly to avoid sluggish response or integrator wind-up during fast transients.
Common Misspellings
MSK100A0300NNS1AP1NNNN
MSK100A 0300 NN S1 AP1 NNNN
MSK-100A-0300-NN-S1-AP1-NNNN
Internal Product Review
The MSK100A-0300-NN-S1-AP1-NNNN servomotor from Bosch Rexroth is a standard IndraDyn S model with natural convection cooling and a keyed shaft. It offers 17 Nm continuous torque, 54 Nm peak torque, and features a Hiperface-compatible optical singleturn encoder. Ideal for use in CNC machines, robotics, and packaging automation.
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