R911315898 (MSK076C-0450-NN-S1-UP0-NNNN)
MSK IndraDyn S Synchronous Motors
Technical Specifications
Frame Size
76
Torque
43.5 Nm
Top Speed
5000 RPM
Winding Grade
450
Shaft Type
Standard with keyway as per DIN 6885-1
Shaft-Sealing Ring
Present
Holding Brake
No
Cooling Type
Surface Cooling
Ambient Temperature Range
0 to 40 C
Motor Housing Length
Type C
Connection Plug
Swiveling Type, 240-Degree Rotatable
Frequently Asked Questions
Why does the S1 optical Hiperface encoder and 240° rotatable connector on MSK076C-0450-NN-S1-UP0-NNNN help commissioning?
S1 signifies optical single-turn Hiperface; paired with the U option, the connector rotates 240° to ease cable routing in tight cabinets and gantries. It simplifies feedback wiring, improve strain relief and enable accurate closed-loop tuning from first power-up.
For MSK076C-0450-NN-S1-UP0-NNNN, how does the 4.7 mH winding inductance influence IndraDrive current-loop tuning and ripple?
The higher phase inductance attenuates switching ripple and smooths torque production for enabling tighter current-loop bandwidth without overshoot. It also shapes field-weakening behavior at the 0450 speed code to balance response with the motor’s 4-pole-pair electrical time constants.
How do the standstill currents (12.2 A at 60K; 13.7 A at 100K) on MSK076C-0450-NN-S1-UP0-NNNN relate to sustained torque?
These current ratings define continuous thermal limits at two reference temperatures; at 60K, it delivers 12 Nm continuously at standstill without exceeding winding rise. At 100K, the higher current margin supports elevated continuous torque after thermal equilibrium is reached.
What coupling and backlash considerations follow from the “shaft with keyway” on MSK076C-0450-NN-S1-UP0-NNNN?
The keyed shaft enables positive torque transmission and repeatable hub orientation that is useful with rigid or semi-rigid couplings.
Is MSK076C-0450-NN-S1-UP0-NNNN interoperable with Rexroth IndraDrive controllers, and what setup implications follow?
Yes, the MSK motors are designed for IndraDrive platforms; parameter sets and encoder protocols are directly supported. It streamlines commissioning, integrated safety strategies and consistent diagnostics across axes within the same drive family.
Common Misspellings
MSK 076C-0450-NN-S1-UP0-NNNN
MSK-076C-0450-NN-S1-UP0-NNNN
MSK076C 0450 NN S1 UP0 NNNN
MSK076C-0450-NN-S1-UP0
MSK076C-0450-NN-SI-UP0-NNNN
MSK076C0450NNS1UP0NNNN
MSKO76C-0450-NN-S1-UP0-NNNN
MSKO76C-O45O-NN-S1-UPO-NNNN
msk076c-0450-nn-s1-up0-nnnn
MSK076C0450NNS1UP0NNNN
MSK076C 0450 NN S1 UP0 NNNN
MSK76C-0450-NN-S1-UP0-NNNN
Internal Product Review
Bosch Rexroth develops the AC motor MSK076C-0450-NN-S1-UP0-NNNN in a zize-076 and length-C, with natural convection. It incorporates an S1 Hiperface encoder on a 240° rotatable connector. This unit offers 12 Nm torque at 60K and 4.7 mH of inductance. It fits packaging, robotics and machine-tool axes due to its keyed shaft and no brake for streamlined coupling.
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