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Safety fuse

This is an example of the safety fuse simulation, performed with QuickField software.

Problem Type:
Plane problem of heat transfer.


safety fuse model

All dimensions are in millimeters.

Conductor diameter: 2 mm;
Conductor melting point T = 1050 °C;
Nominal current I = 15 A.

Determine the operating time at short-circuit current of 40 A.



Fuse temperature vs. time:

safety-fuse short-circut current

Fuse will terminate the current in 5.5 sec.

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There are no restrictions applied to the QuickField Student Edition postprocessors.
You can view field maps, make plots, calculate integrals and print pictures in the same way that the Professional Edition users do.