Answer / srij21

Link is provided at a Neutral common point in the circuit
from which various connection are taken for the individual
control circuit and so it is given in a link form to
withstand high Amps

But in the case of Fuse in the Phase of AC circuit it is
designed such that the fuse rating is calculated for the
particular circuit (i.e load) only.So if any malfunction
happen the fuse connected in the particular control circuit
alone will blow off.

Answer / jamshid al rahman

This can be explained easily by a small example.Assume u are going to use an iron box with fuse on both neutral and phase,Due to some internal problem the fuse blows first which is connected in neutral which prevents the equipment and source supply from more danger now if you are touching the body of iron box having leakage fault,your body acts as a path to flow current from phase to iron box and from there through your body to the ground here the circuit get closed,you will be in hazard.So keep fuse only in phase (This is only for AC supply)

Answer / k.prakashchandra

And also, if neutral fuse blows off all the single phase
appliances will be deprived of supply.

Answer / cyber4india

The neutral should be solid and only Link should be provided
in neutral as if fuse is provided, in case of shock, it will
blow due to overload, but the supply will be available
through phase and the purpose of fuse is defeated.Fuse is
provided in the phase supply to protect the overload
conditions arising due to short ckt, shock, etc
In some case(domestic wiring) the neutral also contains
some potential due to unbalance of load in the supply (3
Phase). This holds true even if you are using the one out of
three phase . The neutral is displaced due to uneven
loading. Hence for any purpose of working, neutral Links
should also be disconnected along with the fuse in phase supply.

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