Fuses vs. Breakers (was QO Breakers and Panels)[RE-wrenches]

[Jerry Caldwell]

And what is a good rule of thumb for deciding when the
battery is large enough to require fusing?  Most of
the smaller grid tied systems I've installed have not
had fuses on the battery as have the systems with
larger battery banks.

Jerry Caldwell

--- "Travis Creswell, Ozark Solar" <ozsolar at ipa.net>
wrote:


> Fuses are for stopping faults before they do a lot
> of damage and breakers
> are for over current protection.  Faults and over
> current are very different
> things.  A fault on a system with more the just a
> few golf cart batteries
> will have catastrophic results.
> 
> So what is the implication?  It is a very good idea
> to have a fuse in
> between the batteries and the breaker.
> 
> Travis Creswell
> Ozark Solar


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