[AMRadio] Breaker Info


John E. Coleman (ARS WA5BXO) wa5bxo2006 at pctechref.com
Mon Dec 4 11:59:02 EST 2006


Or maybe it the center connector is just a terminal post with no function in
the switch.

John, WA5BXO


-----Original Message-----
From: amradio-bounces at mailman.qth.net
[mailto:amradio-bounces at mailman.qth.net] On Behalf Of Rick Brashear
Sent: Monday, December 04, 2006 10:51 AM
To: Discussion of AM Radio in the Amateur Service
Subject: Re: [AMRadio] Breaker Info

Maybe the center is for filament voltage only and when you go to the 
bottom you have filament and B+...?
Rick

Jack Schmidling wrote:

> I need some help understanding the main power switch on my powersupply.
>
> I posted a pic to http://schmidling.com/breaker.jpg
>
> In the on position, the top and the bottom terminals are connected. 
> This makes sense as this is one side of the AC line.
>
> I can not figure out what the center terminal is supposed to do.
> The only clue is the one of those black wires goes to a small 
> transformer for the pilot light.  The other lead goes to the bottom 
> terminal.  So center and bottom must be 110V but seems like it is on 
> all the time.
>
> The device is a 15A Heinamann breaker but I can not read the part number.
>
> Any help?
>
> js
>
>

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