MSK076C-0450-NN-S3-UG0-NNNN

MSK IndraDyn S Synchronous Motors

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The MSK076C-0450-NN-S3-UG0-NNNN is an IndraDyn S synchronous servomotor by Bosch Rexroth Indramat in the MSK IndraDyn S Synchronous Motors series. It uses natural convection cooling and a capacitive singleturn Hiperface encoder with 16 signal periods and a 240° rotatable connector. With a plain shaft, size 076, and length code C, it delivers 13.5 Nm continuous torque at standstill (13.7 A) and peaks at 43.5 Nm (54.9 A). The standard design omits a holding brake, offering reliable operation.

Technical Specifications

Cooling
Natural convection

Encoder Connector
Rotatable, 240°

Encoder Technology
Capacitive

Encoder Turn Type
Singleturn

Encoder Interface
Hiperface

Encoder Resolution
16 signal periods

Motor Length
C

Motor Size
076

Holding Brake
Without holding brake

Design
Standard

Product Type
IndraDyn S Synchronous Servomotor

Shaft Type
Plain shaft

Rated Speed Code
0450

Continuous Current at Standstill 100 K
13.7 A

Continuous Torque at Standstill 100 K
13.5 Nm

Maximum Current
54.9 A

Maximum Torque
43.5 Nm

Winding Inductivity
4,700 mH

Frequently Asked Questions

What do the 13.5 Nm continuous and 43.5 Nm maximum torque ratings mean for axis sizing with this product code?

The 13.5 Nm (at 100 K) defines thermal steady-state torque for continuous duty, while 43.5 Nm accommodates short-term transients such as acceleration or disturbance rejection. Its drive current limits alignment with 13.7 A continuous and 54.9 A peak.

Why choose natural-convection cooling on the MSK076C-0450-NN-S3-UG0-NNNN rather than a blower or liquid jacket?

Its convection simplifies integration, reduces points of failure and minimizes maintenance in enclosed or cleanliness-critical machines. It supports retrofit blower or liquid-cooling variants for higher continuous power envelopes.

How does the 240° rotatable encoder connector help during commissioning?

The rotatable connector eases cable routing in tight cabinets and multi-axis gantries for maintaining shielding integrity and minimum bend radii. Its improved strain-relief orientation reduces EMI susceptibility and speeds service access without changing motor mounting.

Does the plain-shaft design limit coupling choices on MSK076C-0450-NN-S3-UG0-NNNN?

No, a plain shaft is intentionally generic for supporting clamping, keyless or elastomeric couplings and inline gearheads. Its correct bore/hub selection and torsional stiffness tuning keep resonance out of the controller bandwidth.

What system-level benefits do capacitive encoders offer when tuning MSK076C-0450-NN-S3-UG0-NNNN servoloops?

The programmable resolutions and digital alignment simplify loop optimization and reduce inventory of encoder SKUs. Its cleaner commutation and index setup accelerate start-up and can improve low-speed ripple performance.

Common Misspellings

Internal Product Review

The MSK076C-0450-NN-S3-UG0-NNNN servomotor by Bosch Rexroth features a plain shaft, natural convection cooling, and a 240° rotatable capacitive encoder with Hiperface interface. It delivers 13.5 Nm continuous torque and handles up to 54.9 A current, with 4,700 mH winding inductivity. This motor suits roles in robotics, packaging, and semiconductor equipment.