A fuse (“fusus” is Latin for melted) can be constructed of various conductive materials in many different enclosure formats. In any given fuse, the conductive material is selected in type and sizing ...

Current = 1,400 ÷ 230 = 6 A The best fuse to use in this example would be the 13 A fuse. The 3 A and 5 A fuses would melt and break the circuit even when the fire was working normally.