[RE-wrenches] Sunny Island battery OCP

[william at millersolar.com]

Friends:

 

Thanks for all of the replies.  Here is what I have learned so far

 

1.       The SMA fuse blocks are not UL listed for installation in the
USofA.

2.       The Square D switches are not high enough in amperage for battery
circuits.

3.       The bolt-switch idea is great if you want fuses and a pullout.  Not
for me.

4.       Our solution will be an Outback FX 1000 with three 250 amp
breakers.

 

I am not that thrilled with the lack of information or BOS on the Sunny
Island line.  SMA was very vague about recommended OCP value and wire gauge.
This is not in the spirit I am use to.  I understand a disclaimer, but
please, give it up with a rule of thumb to get us started.  I finally
received a broad hint that for the SI4548 or the SI 6048 the recommendation
is for 250 amp breakers and 4/0 wire within reasonable distances.

 

William

 

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