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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