On Sat, 31 Jul 2010 21:52:59 +0000, DoN. Nichols wrote:
On 2010-07-31, Ivan Vegvary wrote:
"Ignoramus18915" wrote :
what is the control voltage?

Iggy, as always, thanks for your interest. Model no. of the control is
609-AAW3. At 208-240 volts, 3 phase, it is rated for 3 horsepower.
Here is a link to the model.

http://www.plchardware.com/Products/RA-609-AAW.aspx

O.K. The "control voltage" does not apply here. This is a
purely mechanical switch. The starters for which a "control voltage"
apply a
....
5) Two pushbuttons -- one normally closed (Start button) which
is wired in series with all the heat coil switches and the contactor
"hold" contacts which can be used to stop the motor by dropping out the
relay.

And one normally open pushbutton (Stop button) which is wired in
parallel with the "hold" contacts on the contactor. Pushing this will
apply power to the coil and pull in the contactor contacts to apply
power to the motor -- as long as none of the heat coil switches is
open. (And, as long as you aren't holding the stop button with the
other hand. :-)
....

In 5), looks like (Start button) and (Stop button) should be
interchanged. Ie, first paragraph is about Stop button, other
is about Start.

--
jiw