Must keep in mind that we are comparing fast MAGNETIC style breakers (the
AIRPAX) to thermal devices (fuses or standard thermal breakers).
Best regards,
Gary - AB9M
CSM(r) G.L.Huber
9679 Heron Bay Road
Bloomington, Illinois 61704
(309)662-0604
www.csm-gh.com
csm-gh@www.csm-gh.com
gary.huber@us.army.mil
ab9m@arrl.net
www.csm-gh.com/mytrike.htm
www.csm-gh.com/75thRepoDepo.htm
----- Original Message -----
From: <john.brewer@us.schneider-electric.com>
To: <tentec@contesting.com>
Sent: Monday, September 24, 2007 8:49 AM
Subject: [TenTec] Fuses vs. breakers...again
> "There was a discussion about the relative speeds of circuit breakers
> versus fuses on this reflector some time ago. I stated that my gut
> feeling was that fuses might very well be much quicker responding, based
> on less mass having to move a shorter distance in order for the circuit
> to be interrupted. I was told that my gut feeling was wrong, wrong,
> wrong. "
>
>
> Yes, the proper Airpax breakers are faster. I can't point you to the
> specs (though a quick
> trip to the airpax site would probably get you what you need), but I can
> tell you first hand,
> that my 20A airpax ALWAYS opens to protect a 3A fuse that's in a series
> leg off the 20A
> Airpax....(if that 3A leg is short circuited).
>
> John K5MO
>
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>
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