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R911338085 (MSK100A-0300-NN-S1-AP1-NNNN)

MSK IndraDyn S Synchronous Motors

  In-Stock, Ships 3-5 Days
Expedited Lead Times on Select Parts
1 Year Warranty Included
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Expedited Lead Times on Select Parts
1 Year Warranty Included
Free Ground Shipping
The R911338085 (MSK100A-0300-NN-S1-AP1-NNNN) is a synchronous servomotor from the IndraDyn S series designed for industrial applications. It has a motor size of 100 and length A, with a weight of 23 kg. The unit features natural convection cooling and an IP65-rated housing with a 40-micron black finish. Its shaft is equipped with keyways and a sealing ring for secure and smooth torque transmission. The motor provides a maximum output torque of 54 Nm at 5200 RPM and a continuous standstill torque of 17 Nm at 100 K, with a holding brake delivering 32 Nm and weighing 1.1 kg. It is equipped with an optical single-turn absolute feedback encoder using Hiperface interface with 128 signal periods. Electrical properties include a winding inductance of 11.2 mH and resistance of 1.10 ohms. Operating temperature ranges from 0 to +40°C. The power connector is on the A side, and the maximum current is 45.9 A. Moment of inertia is specified as 0.01100 kg/m^2.

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

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.

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.

Warranty

1-year-warranty
Indramat USA 1 Year Warranty

Repair

product repair We offer a repair service for the MSK100A-0300-NN-S1-AP1-NNNN.
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