If you have a 30 amp cable, then you should have a 30 amp main breaker.
From a practical standpoint it probably won't make any difference, assuming
that each shore power plug is independently and properly protected, but that
is a pretty big assumption.
A 100 amp breaker would protect a 30 amp cable from a dead short, but that
is about all. It would offer no fire protection at all for applied loads
that simply add up to more than 30 amps.
Whatever the cable connector rating, that should be the rating of the main
breaker on the boat.
Steve Thomas
C&C27 MKIII
Port Stanley, ON
----- Original Message -----
From: "Paul Fountain via CnC-List" <cnc-list@cnc-list.com>
To: <cnc-list@cnc-list.com>
Cc: "Paul Fountain" <p...@seasource.ca>
Sent: Monday, September 07, 2015 07:49
Subject: Re: Stus-List 33MKii main breaker rating?
Our 33-ll has a 100 amp breaker.
Paul. :)
On Sep 7, 2015, at 7:46 AM, Dave via CnC-List <cnc-list@cnc-list.com>
wrote:
Hello, I am upgrading the house battery arrangement in my 33ii and will
replace the selector switch and breaker with a blue sea panel, which
includes a 100A main, among other things.
Does anyone know the raring of the factory breaker? The markings on mine
are illegible.
Thanks! Dave.
Sent from my iPad
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