what he said
-----Original Message-----
From: Mark Radabaugh
Sent: Friday, December 28, 2018 8:55 AM
To: AnimalFarm Microwave Users Group
Subject: Re: [AFMUG] DC Breakers
Voltage doesn’t matter if the rating is higher than you need. Breaker size
should be based on the wire to be protected, not the equipment. The
purpose of the breaker is to protect the wire after the breaker from
overheating and catching fire. It’s not necessarily about protecting the
equipment itself (though it can certainly help). Size the breaker based on
the gauge wire you are running.
For DC the breakers usually have a lower short circuit current rating than
AC rated breakers. It’s harder to break a DC arc than AC. Available fault
current is usually a batter specification.
Those were the long answers - the short answer is 2x will probably work out
just fine.
Mark
On Dec 28, 2018, at 10:37 AM, Jason McKemie
<[email protected]> wrote:
Do you generally size these about double the expected load?
I see a lot of them rated at higher voltages than I need, will these still
be effective?
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