I have a Victron Multiplus compact 24v/2000w/120v unit.
My AC input is 30amps which is a #10 wire.
The battery side will be up to 4 agm batteries at 24 v, probably 2-300 amp hours ( I forget, doesn't matter).
I am a little confused about output wiring. I want to send the output to a small AC distribution panel with 6 circuits, all are 15amp maximum. EZ
The specifications for the unit say that I must supply the proper cabling AND an earth leakage circuit breaker must be included in series with the AC output. It appears that would be up to 47amps which makes ZERO sense because the unit produces only 2000w at 120v. A 50 amp GFCI breaker? This would trip all the circuits in the entire panel. Is this desired?
And, do I need to exceed the wire sizing of the incoming AC loads, so I would actually need to size up the AC out to a #6 wire against an incoming #10? Sort of seems odd, but if the batteries can output more current than the incoming power, I understand. Just need to be sure. Alternatively, I can run everything with #6 wire in case I every upgrade, but #6 wire seems excessive for what I have planned.
If someone has 50 amps incoming, are they setting this thing up for 70 amps, and wiring to the AC panel with a 70 amp wire and putting 70 amp GFCI in series before the panel? Seems strange. Thanks. In traditional home wiring, all circuits require GFCI load protection and thus an individual circuit would trip, not the entire panel...etc
