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tone
Posted: Mon Feb 05, 2007 12:32 pm
Guest
I am looking for a design/schematic for a 'current switch' A device
like a clamp am meter that I can put round a cable (carrying 240v 50Hz
mains) and operate a switch/relay/triac etc. when current flows above
a threshold.

Thanks
DaveM
Posted: Mon Feb 05, 2007 9:06 pm
Guest
"tone" <all.junkmail@btinternet.com> wrote in message
news:oomes21jmghj674qh6ld6ka4hlg2icpjcb@4ax.com...
Quote:

I am looking for a design/schematic for a 'current switch' A device
like a clamp am meter that I can put round a cable (carrying 240v 50Hz
mains) and operate a switch/relay/triac etc. when current flows above
a threshold.



A few basic circuits...
http://www.redcircuits.com/Page62.htm
http://ourworld.compuserve.com/homepages/Bill_Bowden/page8.htm#aclatch.gif
(scroll down to the AC Line Current Detector circuit)


--
Dave M
MasonDG44 at comcast dot net (Just substitute the appropriate characters in the
address)

Some days you're the dog, some days the hydrant.

> Thanks
tone
Posted: Tue Feb 06, 2007 4:23 am
Guest
Many Thanks Dave...Just what I was after. Both worth a try
Tone

On Mon, 5 Feb 2007 20:06:00 -0500, "DaveM" <masondg4499@comcast99.net>
wrote:

Quote:
"tone" <all.junkmail@btinternet.com> wrote in message
news:oomes21jmghj674qh6ld6ka4hlg2icpjcb@4ax.com...

I am looking for a design/schematic for a 'current switch' A device
like a clamp am meter that I can put round a cable (carrying 240v 50Hz
mains) and operate a switch/relay/triac etc. when current flows above
a threshold.



A few basic circuits...
http://www.redcircuits.com/Page62.htm
http://ourworld.compuserve.com/homepages/Bill_Bowden/page8.htm#aclatch.gif
(scroll down to the AC Line Current Detector circuit)
 
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