R911339991 (MSK030C-0900-NN-S3-UG0-NNNN)

Name: R911339991 (MSK030C-0900-NN-S3-UG0-NNNN)
Brand: Indramat Motors
SKU: MSK030C-0900-NN-S3-UG0-NNNN
Price: 483.00 USD
Availability: InStock

MSK IndraDyn S Synchronous Motors

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Phone:
1-888-551-3082

Email:
sales@indramat-usa.com

The R911339991 (MSK030C-0900-NN-S3-UG0-NNNN) is a Rexroth Indramat MSK synchronous servomotor, featuring a frame size of 030 and length C. It employs a capacitive Hiperface Singleturn encoder with 16 signal periods and a rotatable 240° connector. The motor is equipped with a plain shaft and sealing ring and operates with natural convection cooling. Electrical characteristics include a continuous standstill current of 1.7 A at 100 K, maximum current of 6.8 A, continuous standstill torque of 0.9 Nm, and a maximum torque of 4.0 Nm. Inductivity is specified at 14,100 mH. The device operates within a temperature range of 0 to 40°C, conforms to insulation class 155 (DIN EN 60034-1), provides IP65 protection, and has a thermal time constant of 15 minutes. Weight is 1.9 kg. Holding brake is not included. Typical applications include robotics and machine tools.

Technical Specifications

Encoder
Singleturn (Hiperface, 16 signal periods)

Shaft Type
Plain with sealing ring

Cooling System
Natural Convection

Motor Frame Size
30

Motor Frame Length
C

Weight
1.9 kg

Moment of Inertia
0.00003 kgm2

Maximum Current
6.8 A

Torque
Up to 4 Nm

60K Standstill Continuous Current
1.5 A

100K Standstill Continuous Current
1.7 A

Ambient Temperature in Operation
0o C to 40o C

Protection Class
IP 65

Insulation Class
155 according to DIN EN 60034-1

Thermal Time Constant
15 minutes

Frequently Asked Questions

Why is the rotatable 240° encoder connector important for space-constrained automation setups?

It allows flexible cable routing and orientation, reducing stress on wiring and simplifying integration in multi-axis assemblies.

How does the capacitive Hiperface singleturn encoder maintain accuracy during rapid start-stop operations?

It provides 16 signal periods of absolute feedback, ensuring repeatable micro-positioning even under dynamic loads.

Under which conditions can natural convection cooling of MSK030C-0900-NN-S3-UG0-NNNN alone be sufficient for reliable continuous operation?

In low- to medium-duty cycles or compact enclosures, passive cooling stabilizes winding temperature, eliminates fan maintenance, and supports long-term torque consistency.

To what extent does the plain shaft design enhance mechanical coupling with micro-gear assemblies or spindles?

It ensures backlash-free torque transfer, secure alignment, and improved repeatability for precision industrial tasks.

Can monitoring current and encoder signals in the MSK030C-0900-NN-S3-UG0-NNNN help predict early signs of stress or wear?

Yes, deviations in current or feedback signals can indicate misalignment, overloading, or temperature fluctuations, enabling preventive maintenance before failures occur.

Common Misspellings

MSK030C0900NNS3UG0NNNN

MSK030C 0900 NN S3 UG0 NNNN

MSK-030C-0900-NN-S3-UG0-NNNN

MSK30C-0900-NN-S3-UG0-NNNN

Internal Product Review

The Bosch Rexroth Indramat MSK030C-0900-NN-S3-UG0-NNNN is built for efficient performance in compact industrial systems. Its capacitive Hiperface encoder ensures precise positioning, while the 240° rotatable connector simplifies installation. With a 4.0 Nm peak torque and natural convection cooling, it excels in applications requiring high reliability and minimal maintenance.