Safety fuse

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

Problem Type:
Plane problem of heat transfer.

Geometry:

safety fuse model

All dimensions are in millimeters.

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

Problem:
Determine the operating time at short-circut current of 40 A.

Solution:

View movie View step-by-step tutorial.

Result:

Download simulation files.