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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.

View movie Watch on YouTube.

Download PDF icon View simulation report in PDF.

Download Download simulation files (files may be viewed using any QuickField Edition)..