La tua isola — United States sizing tool
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07 — Inverter
Sized on the expected load profile — the peak counts, not the average.
Add up the power of every appliance that could be on at the same time in the worst case.
Extra on top of the calculated peak, for motor/compressor start-up surges.
All the same size — the peak load (with margin) is split between them.
This models a single AC output voltage for cable sizing, not true simultaneous 120V+240V split-phase loads — for multi-leg load balancing, consult a licensed electrician.
A design-wide choice, not per-inverter.