> Fairly sure it's:-
>
>         |
>         o
>         /
>         \
>         /
>         o
>         |
>
> Where the /,\,/ are a wavy line.

That would be a sumbol for a socketed wire fuse or wire fuse cartridge. A
polyfuse is a special type of PTC. You can use the symbol for a PTC
thermistor for a polyfuse I think.

Peter

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