R911321455 (MSK071C-0450-NN-M1-UP1-NNNN)
MSK IndraDyn S Synchronous Motors
Technical Specifications
Cooling Mechanism
Natural Convection
Windings Designation
0450
Frame Length
C
Component Discharge Capacity
4.2 nanoFarads
Sound Pressure Level
75 dB
Permissible Ambient Operating Temperature
0 to 40 degrees C
Insulation Class
155 (DIN EN 60034-1)
Weight
15.8 kg
Maximum Speed
5800 RPM
Encoder Feedback
Multiturn-absolute Hiperface, 128 increments
Electrical Connection
Rotatable plug, up to 240 degrees
Shaft Design
Shaft with sealing ring and keyway
Holding Brake Torque
23 Nm
Maximum Current Rating
40.1 Amperes
Peak Torque Rating
44 Nm
Torque Constant at 20 degrees
1.49 Nm/A
Thermal Time Constant
15 mins
Continuous Torque at 60K Standstill
12 Nm.
Frequently Asked Questions
What role does the electrically released 23 Nm holding brake play on MSK071C-0450-NN-M1-UP1-NNNN?
The brake clamps the rotor when de-energized for preventing drift during power loss or E-stop and securing vertical or overhauling loads. It releases quickly for repeatable starts without adding compliance when energized.
Why choose natural-convection cooling for this motor instead of forced-air?
Its passive cooling eliminates blower maintenance, reduces acoustic emissions and minimizes ingress paths while maintaining thermal stability at the specified continuous ratings. It’s advantageous in clean or noise-sensitive areas and cabinets with managed ambient temperatures.
Can MSK071C-0450-NN-M1-UP1-NNNN be used in multi-axis systems with Rexroth IndraDrive, and what are the integration effects?
Yes, the MSK (IndraDyn S) motors are engineered for IndraDrive topologies for enabling standardized power/feedback cabling and harmonized diagnostics. It streamlines commissioning, safety functions and tuning across coordinated axes.
How does the keyed shaft interface improve coupling accuracy and life on MSK071C-0450-NN-M1-UP1-NNNN?
The keyway provides positive torque transmission and repeatable angular alignment for reducing reliance on clamping friction alone. It mitigates fretting and micro-slip under cyclic loads, protecting couplings and maintaining backlash characteristics over time.
What installation advantages come from the 240° rotatable encoder connector on MSK071C?
The adjustable orientation reduces minimum bend radius conflicts to avoids sharp cable turns, and improves strain relief that is especially in tight machine bays. It also aids serviceability by aligning connectors away from interfering frames or ducts.
Common Misspellings
MSK071C0450NNM1UP1NNNN
MSK071C 0450 NN M1 UP1 NNNN
MSK-071C-0450-NN-M1-UP1-NNNN
MSK71C-0450-NN-M1-UP1-NNNN
Internal Product Review
The MSK071C-0450-NN-M1-UP1-NNNN motor from Bosch is presented in size-071 and frame C. It uses natural heat dissipation through its surface, without any external fan. This motor possesses an electrically released 23 Nm brake system for safety stopping and it includes a multiturn absolute encoder for feedback. At 100K it delivers 14 Nm of standstill torque and its peak torque capacity is recorded as 44 Nm. It is used in industrial systems such as packaging, printing and robotics.
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We offer a repair service for the MSK071C-0450-NN-M1-UP1-NNNN.
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