MSK076C-0450-NN-M1-UP1-NNNN

MSK IndraDyn S Synchronous Motors

Rated 4.7 stars (10 total reviews)

MSK076C-0450-NN-M1-UP1-NNNN Series Image

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The MSK076C-0450-NN-M1-UP1-NNNN servomotor from Bosch Rexroth Indramat's MSK IndraDyn S Synchronous Motors series is a standard design with a C-size frame and 076 motor size. It features natural convection cooling, optical encoder technology with a 240° rotatable connector, and a Hiperface multiturn absolute interface. The motor offers 43.5 Nm maximum torque, 54.9 A maximum current and a winding inductivity of 4,700 mH. Continuous torque at standstill is 13.5 Nm and continuous current is 8.1 A.

Technical Specifications

Cooling
Natural convection

Encoder Connector
Rotatable, 240°

Encoder Technology
Optical

Encoder Turn Type
Multiturn Absolute

Encoder Interface
Hiperface

Encoder Resolution
128 signal periods

Motor Length
C

Motor Size
076

Holding Brake
With holding brake, electrically-released

Holding Brake Torque
11 Nm

Design
Standard

Product Type
IndraDyn S Synchronous Servomotor

Shaft Type
Shaft with keyway

Rated Speed Code
0450

Continuous Current at Standstill 100 K
8.1 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 role does natural-convection cooling play in the MSK076C-0450-NN-M1-UP1-NNNN thermal envelope and enclosure planning?

Its passive heat rejection simplifies cabinet airflow design that reduces contamination pathways and minimizes auxiliary power needs. Its thermal behavior should be modeled with mounting orientation and ambient limits to preserve torque at standstill ratings and encoder stability.

Why is the 240° rotatable power/feedback connector advantageous on this motor in dense multi-axis frames?

The swivel orientation eases cable routing, reduces bend-radius stress and improves EMI compliance by enabling cleaner segregation of power and feedback harnesses. It also expedites maintenance by allowing tool-access without disturbing adjacent axes.

How does the 4,700 mH winding inductivity influence current ripple and drive tuning on MSK076C-0450-NN-M1-UP1-NNNN?

The higher inductivity attenuates PWM ripple and smooths current loops for easing meeting velocity ripple specs. Its controller gains should consider electrical time constants to maintain bandwidth without excessive phase lag in the torque loop.

What are integration considerations for the optical encoder (128 signal periods) regarding noise immunity and cable selection?

The use of low-capacitance, shielded feedback cables with proper 360° terminations suppress common-mode noise. It is important to maintain separation from motor power leads.

For MSK076C-0450-NN-M1-UP1-NNNN, how do 13.5 Nm continuous stall and 43.5 Nm peak torque map to motion profiles?

Its continuous segment remains below thermal limits and its reserve peak torque is for brief acceleration, contouring or disturbance rejection. It is important to validate with RMS torque calculations and thermal time constant assumptions from the drive sizing tool.

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Internal Product Review

The Bosch Rexroth Indramat’s MSK076C-0450-NN-M1-UP1-NNNN servomotor integrates natural-convection cooling and uses an multiturn encoder for feedback through a 240° rotatable connector. Its rated speed is 5000 rpm and it delivers 43.5 Nm peak torque, while its continuous stall torque is specified as 13.5 Nm at 8.1 A. This motor comes with an 11 Nm brake and keyed shaft. It is mainly deployed in packaging machinery, machine tools and printing equipment.