Re: Mystery Equipment

["Tesla list" <tesla-at-pupman-dot-com>]

Original poster: "Jason Matlock by way of Terry Fritz <twftesla-at-uswest-dot-net>" <matlockjm-at-mediaone-dot-net>

Jan,

I think you are right about the thermal switch.  It was connected to the
wall of the microwave, so that makes sense. Thanx a bundle!

-Jason


----- Original Message -----
From: Tesla list <tesla-at-pupman-dot-com>
To: <tesla-at-pupman-dot-com>
Sent: Thursday, April 19, 2001 10:17 AM
Subject: Re: Mystery Equipment


> Original poster: "Jan Florian Wagner by way of Terry Fritz
<twftesla-at-uswest-dot-net>" <jwagner-at-cc.hut.fi>
>
>
> > I was taking apart a microwave to get components for Gregs MOT doubler
> circuit
> > and came across this piece of equipment.  I was thinking it was a
> resistor and
> > hooked it up to my multimeter for a reading and plugged it into the
wall.
>
> Hmm looks familiar - it seems to be one of those thermal switches
> connected to the resonator/cooking chamber walls. It has a small bimetal
> plate inside which functions as the switch pole. When temperature gets too
> high the plage flips over and opens the contacs (or closes them, depending
> on switch type). Current does not flow through the bimetal plate (at least
> in those that I've taken apart), so the device does not work as an
> overcurrent protection.
>
>  - Jan
> --
> *************************************************
>  high voltage at http://www.hut.fi/~jwagner/tesla
>
>
>