Jameco has a few magnetic switches that may fit the bill. Page 41 of their
catalog (Vol221 Feb-Apr).
Part no 174043, 168691, 155547, etc.
http://www.jameco.com/cgi-bin/ncommerce3/ExecMacro/Jameco/searchResult.d2w/report?sort=&search=174043

http://www.jameco.com/cgi-bin/ncommerce3/ExecMacro/Jameco/searchResult.d2w/report?sort=&search=155547

is an example.

Rick

Dwayne Reid wrote:

> At 02:21 PM 2/20/02 -0800, Kevin Fisk wrote:
> >Has anyone had experience with Magnetically activated switches? I am
> >looking for experience and insight with a "behind the panel" scenario.
> >Just need one input. Specifically I'd like to learn about good devices,
> >hidden 'gotchas', low cost alternatives, etc. Thanks and appreciate any
> >and all insights. Have a great day
>
> Why magnetically?  What are you trying to sense?
>
> Magnetic sensors: reed switches, hall effect sensors.  These sense the
> presence of a magnetic field.
>
> dwayne
>
> Dwayne Reid   <dwayner@planet.eon.net>
> Trinity Electronics Systems Ltd    Edmonton, AB, CANADA
> (780) 489-3199 voice          (780) 487-6397 fax
>
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