R911376518 (MSK071C-0300-NN-S2-UG1-RNNN)
MSK IndraDyn S Synchronous Motors
Technical Specifications
Product Family
IndraDyn S
Case Protection
IP65
Insulation Level
155
Maximum Operating Temperature
+40 degrees celsius
Maximum Humidity
less than 90%
Maximum Speed
5000 revolutions per minute
Maximum Torque
44 Nm
Weight
13.9 kg
Winding Inductance
10.900 mH at 20 degrees Celsius
Winding Resistance
1.60 ohms at 20 degrees Celsius
Voltage Constant
110.5 V/min-1
Holding Brake Torque
23 Nm
Holding Brake Weight
1.9 kg
Holding Brake Inertia
0.0003000 kgm2
Output Shaft
Simple with sealing ring
Encoder
Single-turn EnDat2.1
Cooling System
Natural with 15-minute thermal time constant.
Frequently Asked Questions
How does natural-convection cooling influence deploying MSK071C-0300-NN-S2-UG1-RNNN inside cabinets or tight machine bays?
Its self-cooling dissipates heat to mainatain ambient cindition without fans or liquid circuits, so clearance and airflow are critical. Its 14 Nm continuous rating assumes the 100 K thermal model and adequate ventilation around the motor body.
Why use an optical single-turn EnDat 2.1 encoder with 2048 signal periods on this IndraDyn S motor?
Its optical scanning and the digital EnDat 2.1 interface delivers precise position and velocity feedback with low interpolation error and straightforward commissioning. Its absolute position resets each revolution, so homing or external reference is required for multi-turn applications.
What is the practical benefit of the 240° rotatable encoder connector on MSK071C-0300-NN-S2-UG1-RNNN?
The connector reduces bending stress to simplify routing in crowded machines and supports serviceability. It also minimizes connector collision risks when motors are mounted close to linear guides or guarding.
How does the increased concentricity design translate into application results for precision axes?
Its improved rotor and shaft concentricity reduces mechanical runout and torque ripple for enhancing contour accuracy and registration. It is used in processes such as web printing, pick-and-place and fine indexing.
How does the 23 Nm electrically released holding brake on MSK071C-0300-NN-S2-UG1-RNNN interact with safety functions?
The spring-applied brake holds the axis when de-energized and is intended for holding, not dynamic stopping. Its drive safety (e.g., Safe Torque Off) and mechanical safeguards on vertical axes addresses risk during faults or e-stops.
Common Misspellings
MSK071C0300NNS2UG1RNNN
MSK071C 0300 NN S2 UG1 RNNN
MSK-071C-0300-NN-S2-UG1-RNNN
MSK71C-0300-NN-S2-UG1-RNNN
Internal Product Review
Bosch Rexroth Indramat designs the AC motor MSK071C-0300-NN-S2-UG1-RNNN with a passive natural-convection cooling and it includes an optical EnDat 2.1 single-turn encoder of 2048 periods. It possesses an electrically released brake and delivers 14 Nm continuous. This motor comes with an increased concentricity and a 240° rotatable connector for easy integration in assembly handling and electronic production systems.
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We offer a repair service for the MSK071C-0300-NN-S2-UG1-RNNN.
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