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R911315898 (MSK076C-0450-NN-S1-UP0-NNNN)

MSK IndraDyn S Synchronous Motors

Rated 4.7 stars (7 total reviews)
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1 Year Warranty Included
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Expedited Lead Times on Select Parts
1 Year Warranty Included
Free Ground Shipping
The Rexroth IndraDyn S synchronous servomotor, MPN R911315898 (MSK076C-0450-NN-S1-UP0-NNNN), is specified with a 76 frame size and winding code 0450. It supports a maximum torque of 43.5 Nm and a top speed of 5000 RPM. The shaft is equipped with a keyway to DIN 6885-1, and the unit excludes a holding brake. Its rotatable encoder connector allows 240° of movement; the singleturn encoder features a resolution of 128 signal periods. The motor employs natural convection cooling, and the standard housing accommodates surface cooling for an operating range of 0 to 40°C. Motor length is designated as type C, the thermal time constant is 25 minutes, continuous current at standstill (100 K) is 13.7 A, maximum current is 54.9 A, windings inductivity is 4.7 mH, and the weight is 13.8 kg. The design uses 4 pole pairs.

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

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.

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.

Warranty

1-year-warranty
Indramat USA 1 Year Warranty

Repair

product repair We offer a repair service for the MSK076C-0450-NN-S1-UP0-NNNN.
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