R911325733 (MSK100A-0300-NN-S2-BP1-RNNN)

MSK IndraDyn S Synchronous Motors

MSK100A-0300-NN-S2-BP1-RNNN Series Image

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The Bosch Rexroth synchronous servomotor R911325733 (MSK100A-0300-NN-S2-BP1-RNNN) features a winding resistance of 1.10 ohms and an inductance of 11.2 mH. It supports natural convection cooling, incorporates a B-side power connector, and is equipped with an optical EnDat 2.1 singleturn encoder offering 2048 signal periods. The motor produces a continuous torque of 17 Nm at a standstill current of 11.6 A (100 K) and a maximum torque of 54 Nm at a maximum current of 45.9 A. The IP65-rated device includes an electrically released holding brake with a torque of 32 Nm and is designed with increased concentricity. Operational parameters include a temperature range of 0–40 °C and elevation up to 1000 meters, with shaft sealing and a keyed output shaft. Motor dimensions correspond to size 100 and length A. Weight is 23 kg, maximum speed is 5200 RPM, and sound pressure is below 75 dB(A).

Technical Specifications

Winding Resistance
1.10 ohms

Winding Inductance
11.20 mH

Continuous Torque at 100 K
17 Nm

Constant Current
11.6 A

Motor Protection Class
IP65

Holding Brake Torque
32 Nm

Brake Connection Time
15 ms

Brake Disconnection Time
115 ms

Working Temperature Range
0-40 degrees Celsius

Working Altitude Range
0-1000 meters

Thermal Class
155

Output Shaft Sealing Ring
Yes

Paint Color
Black

Surface-Cooled Motor Current
15.3 A

Surface-Cooled Motor Torque
22.5 Nm

Sound Pressure
Below 75 dB

Motor Weight
23 kg

Maximum Torque Output
54 Nm

Continuous Torque at 60 K
15 Nm

Thermal Time Constant
39 minutes

Encoder Type
EnDat2.1

Maximum Speed
5200 rpm

Electrical Connection
B Side

Frequently Asked Questions

Why is the BP1 B-side power connector useful when integrating MSK100A-0300-NN-S2-BP1-RNNN into multi-axis frames?

The power on side B eases cable routing in gantries and enabling cleaner separation from feedback wiring. It can improve bend-radius management and panel layout symmetry in dense machine compartments.

How does the 32 Nm electrically-released holding brake help on vertical or indexer axes?

The 24 VDC is applied to release, while when power drops, it locks to 32 Nm for preventing drift or back-drive. It stabilizes vertical Z-axes and rotary index tables during e-stop, maintenance or power-down transitions.

What does 11,200 mH winding inductivity imply for drive tuning on MSK100A-0300-NN-S2-BP1-RNNN?

The higher inductivity filters current ripple and raises electrical time constants, so current-loop bandwidth must be set thoughtfully. It supports slightly slower current dynamics but smoother torque, while auto-tuning should confirm stability margins for your inertia and coupling.

How does the “increased concentricity” option benefit precision compared with standard MSK units?

The tighter shaft/runout tolerances reduce radial displacement and torque ripple for improving velocity smoothness and registration accuracy at low speed. It is advantageous on printing cylinders, knife stations and metrology spindles where mechanical eccentricity directly maps into print or cut error.

If requirements change, what encoder options across the MSK series compare to S2 on MSK100A-0300-NN-S2-BP1-RNNN?

The series offers S1/S3 Hiperface singleturn alternatives and multiturn EnDat (e.g., M2) variants. Its multiturns add absolute turns counting for homing-free restart, while its interface choice depends on your controller and needed resolution.

Common Misspellings

Internal Product Review

The IndraDyn S Synchronous Servomotor MSK100A-0300-NN-S2-BP1-RNNN from Bosch Rexroth is used in packaging, robotics, and printing applications. It provides 17.0 Nm continuous torque, 54.0 Nm peak torque, and includes a 32 Nm electrically-released holding brake. The motor uses natural convection cooling and features a singleturn EnDat2.1 optical encoder.

1620 Old Apex Road
Cary, NC 27513, USA

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International: 1-919-443-0207

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Indramat USA
1620 Old Apex Road
Cary, NC 27513
USA

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Toll Free: 1-888-551-3082
International: 1-919-443-0207

Indramat USA sells factory new and pre-owned surplus products and maintains channels to procure supply. Indramat USA is not affiliated with nor an authorized distributor or representative of any manufacturers, brands or products listed. Designated trademarks, brand names, and brands appearing herein are the property of their respective owners.