On Tue, 10 Jul 2007 12:45:44 +0700, Bruce
wrote:


The other way to do it is with continuous-duty 12VDC and 115VAC
contactors available from auto parts places more cheaply. These look
just like a starter relay, except they have coils made for continuous
duty (always on).


Larry,

Re these 12 VDC continuous duty contactors available from the auto
parts with the capacity to carry starting amperage. Can you elaborate
a bit as I could sure use some of these..
....
Bruce in Bangkok
(brucepaigeatgmaildotcom)

Here's a cheesy sketch of a 3 position switch capable of driving a
winch etc in either direction using beefy contactors such as the
Stancor 2 pole make contactors.... No current taken in the OFF
position.

http://www.flickr.com/photos/brian_w/803117449/

Here's the Stancor URL that Larry mentioned...
http://www.stancor.com/jsp/relays.jsp

Brian Whatcott Altus OK