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MSK075E-0300-FN-S1-UG0-NNNN

MSK IndraDyn S Synchronous Motors

Rated 4.0 stars (4 total reviews)
  In-Stock, Ships 3-5 Days
Expedited Lead Times on Select Parts
1 Year Warranty Included
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Expedited Lead Times on Select Parts
1 Year Warranty Included
Free Ground Shipping

The Bosch Rexroth Indramat MSK075E-0300-FN-S1-UG0-NNNN model from the MSK IndraDyn S Synchronous Motors series exemplifies high-precision motion control with its IndraDyn S Synchronous Servomotor architecture. Featuring a motor size 075 and a compact motor length E frame, this standard-design motor integrates seamlessly into automated production lines and high-density machine tools. Its advanced liquid cooling system ensures efficient thermal management under continuous load, while the plain shaft configuration simplifies mechanical coupling and alignment. Crafted without a holding brake, this robust unit maintains a streamlined profile without compromising ruggedness.



At the heart of the MSK075E lies a sophisticated optical encoder assembly, delivering precise feedback through a rotatable, 240° encoder connector and an optical encoder technology setup. The singleturn encoder turn type supports high-resolution positioning, augmented by native Hiperface encoder interface compatibility and 128 signal periods of feedback granularity. On the electrical side, the motor achieves a continuous current at standstill of 15.6 A and a corresponding continuous torque at standstill of 23.0 Nm when cooled to 100 K, ensuring controlled starting conditions and holding capability. A substantial winding inductivity of 4,460 mH filters current ripple and contributes to smooth torque delivery during rapid load changes.



Dynamic performance peaks at a maximum current of 63.9 A, driving the rotor to generate a maximum torque of 88.0 Nm for demanding acceleration and deceleration cycles. This combination of high torque density and responsive current control makes the MSK075E ideal for applications requiring frequent direction changes and torque reversals. Built on Bosch Rexroth Indramat’s proven design philosophy, the unit delivers predictable, low-vibration operation and streamlined maintenance, reinforcing its status as a cornerstone component for precision servo systems.

Technical Specifications

Cooling
Liquid cooling

Encoder Connector
Rotatable, 240°

Encoder Technology
Optical

Encoder Turn Type
Singleturn

Encoder Interface
Hiperface

Encoder Resolution
128 signal periods

Motor Length
E

Motor Size
075

Holding Brake
Without holding brake

Design
Standard

Product Type
IndraDyn S Synchronous Servomotor

Shaft Type
Plain shaft

Rated Speed Code
0300

Continuous Current at Standstill 100 K
15.6 A

Continuous Torque at Standstill 100 K
23.0 Nm

Maximum Current
63.9 A

Maximum Torque
88.0 Nm

Winding Inductivity
4,460 mH

How does liquid-cooling (“FN”) in MSK075E-0300-FN-S1-UG0-NNNN affect continuous torque stability and thermal headroom?

The liquid cooling removes stator heat efficiently for keeping copper temperatures near the 100 K rise condition where 15.6 A/23.0 Nm at standstill is specified. It stabilizes resistance, reduces demagnetization risk in demanding cycles and allows compact integration with less derating.

What positioning advantages come from the S1 optical single-turn Hiperface (128 signal periods) on MSK075E-0300-FN-S1-UG0-NNNN?

The S1 system provides dense cyclical feedback that drives can finely interpolate that improves commutation angle accuracy and lowers torque ripple during micro-moves. It also enables fast phase initialization and precise homing for multi-axis synchronization.

Why is a plain shaft used and how does it influence coupling alignment on MSK075E-0300-FN-S1-UG0-NNNN?

Its cylindrical plain shaft supports backlash-free clamping or keyless shrink-disc couplings for easing precision alignment and concentricity. It also allows keyed options if needed, but plain shafts minimize play and facilitate maintenance.

How do 4,460 mH winding inductance and 63.9 A peak current shape current-loop design during rapid torque reversals?

The higher inductance filters PWM ripple and damps di/dt for improving torque smoothness but requiring adequate voltage headroom and loop bandwidth. Its drive needs tune current controllers and field-weakening only where bus voltage and thermal limits remain compliant.

What does the “U” connector option add when installing MSK075E-0300-FN-S1-UG0-NNNN in tight enclosures?

The “U” denotes a 240° rotatable connector that enables optimized cable exit to relieve strain and avoid interference with machine guarding. It simplifies routing in gantries or vertical axes without re-terminating cables.

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Internal Product Review

Bosch Rexroth produces the servo motor MSK075E-0300-FN-S1-UG0-NNNN that uses liquid cooling for dissipating heat. It comes with a plain shaft and has a 240° rotatable connector for S1 optical singleturn Hiperface technolgy ineterfacing. At 15.6 A/23 Nm (standstill) and 63.9 A/88 Nm peak, it handles packaging, printing, robotics and machine tools. This motor possess size 075, length E and lacks brake assembly.

Warranty

1-year-warranty
Indramat USA 1 Year Warranty

Repair

product repair We offer a repair service for the MSK075E-0300-FN-S1-UG0-NNNN.
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