> but it probably has a lot to do with completing it. Assuming that it
> is a thermal CB, the over current you caused was enough to make the
> bi-metal strip bend part-way but then the breaker is probably designed
> to increase in resistance slightly and heat the strip more abruptly to
> force the contacts open.
>
> Sean

That does seem plausible.  The data sheet describes a coil and
permanent magnet (for DC) as well the bi-metal strip.
--=20
http://www.piclist.com PIC/SX FAQ & list archive
View/change your membership options at
http://mailman.mit.edu/mailman/listinfo/piclist
.