Ok. Thanks for giving information. I found only a little information about Polyfuse on the net. Can anyone give more information about Polyfuse. What are its major applications,ratings,Limitations etc. Help...

#-Link-Snipped-#'m talking about this fuse. Can we replace main fuse(rewirable fuse/mcb) we use near energy meter in our household by this polyfuse? If not, then why?

Polyfuse doesn't need any repair. It will automatically get reset when fault disappears from the circuit. But my doubt is, they are small fuses used in electronic circuits. Can we...

What is the rating of conventional rewirable fuse, MCB etc. What is the rating of polyfuse(resettable fuse or PPTC fuse). Polyfuse are normally used in electronic circuits. Can we replace...