Forum Discussion

TenOC's avatar
TenOC
Nomad
Dec 23, 2023

Installing 3000 W inverter – wire size – fuze size

I am thinking about adding an 3000 W inverter to my RV. What size fuse should I put in the 12 Volt line from the battery to the inverter? Do you have a recommended brand name? I have also read that s...
mrshane's avatar
mrshane
Explorer III
Dec 26, 2023

For a 12 V battery bank, you would need a fuse size of around 300 A or more, and cable size of around 2/0 AWG or 4/0 AWG 

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