[TenTec] Airpax 20 amp circuit breakers $5.00

[Lee]

  In series with the +12 volt DC power line between power supply and 
radio.

73,

-Lee-    WA3FIY

------ Original Message ------
From: "Michael Tortorella via TenTec" <tentec at contesting.com>
To: "'Discussion of Ten-Tec Equipment'" <tentec at contesting.com>
Cc: "Michael Tortorella" <w2iy at verizon.net>
Sent: 3/21/2019 2:24:21 PM
Subject: Re: [TenTec] Airpax 20 amp circuit breakers $5.00

>Folks, I know this is an ancient thread but I have a (perhaps dumb)
>question: where does the breaker go?  Does it replace the AC power 
>switch on
>the PS or is it in series with the DC output line?
>Thanks for your help.
>Mike W2IY
>
>-----Original Message-----
>From: TenTec [mailto:tentec-bounces at contesting.com] On Behalf Of
>rick at dj0ip.de
>Sent: Saturday, November 28, 2015 4:16 AM
>To: 'Discussion of Ten-Tec Equipment'
>Subject: Re: [TenTec] Airpax 20 amp circuit breakers $5.00
>
>The original breakers were 18A, not 20A.
>20A is fine for newer radios because they draw over 1A on receive, but 
>it
>might be a tad high for the older radios.  However 20A is certainly 
>1000x
>better than having nothing in the line.
>
>73 - Rick, DJ0IP
>(Nr. Frankfurt, Germany)
>
>
>-----Original Message-----
>From: TenTec [mailto:tentec-bounces at contesting.com] On Behalf Of Al 
>Gulseth
>Sent: Saturday, November 28, 2015 3:47 AM
>To: TenTec at contesting.com; "Randy Randall"@contesting.com <mailto:>;
>randy.ab9go at gmail.com
>Subject: Re: [TenTec] Airpax 20 amp circuit breakers $5.00
>
>Just a note of caution here: the breaker is a delay 51 trip curve. 
>Here's
>the pertinent info from Airpax's data sheet on the breaker in question:
>
>DELAY CURVES
>400Hz, DC, 50/60Hz Delay Curves (typ)
>A choice of delays is offered for DC, 50/60Hz, 400Hz, or combined 
>DC/50/60Hz
>applications. Delays 49, 59, 69 and 79 provide fast-acting, 
>instantaneous
>tripping and are often used to protect sensitive electronic equipment 
>(not
>recommended where a known inrush exists). Delays 41, 51, 61 and 71 have 
>a
>short delay for general purpose applications. Delays 42, 52, 62 and 72 
>are
>long enough for most transformers and capacitor loads. Delays 43, 53, 
>63 and
>73 are extra long for special motor applications.
>
>It looks like for this breaker an x9 instantaneous trip would be the
>preferred version rather than the x1 "short delay."
>
>TNX/73, Al
>
>------
>On Wed Nov 25 23:01:49 EST 2015 you wrote:
>
>I just received a flyer from Electronic Goldmine today and they have 
>Airpax
>20 amp magnetic circuit breakers for $5.00 each.  Here is a link to the
>webpage.
>
>http://www.goldmine-elec-products.com/prodinfo.asp?number=G20993
>
>If you need a breaker for your older Ten-Tec rig this is a really good
>price.
>
>73
>Randy AB9GO
>
>Sent from my iPhone using speech to text technology.
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