Fuse size for Isolator?Home › Forum topic › Campervan Conversions › Fuse size for Isolator?This topic has 0 replies, 1 voice, and was last updated 1 year, 10 months ago by Henderman.Viewing 1 post (of 1 total)AuthorPosts June 22, 2022 at 4:38 am #156991 HendermanParticipantI’m looking at putting an Isolator in my van to allow my house batteries to charge while I drive (I also have solar panels). The isolator I’m looking at is 140 Amps max. What size fuse should I use?AuthorPostsViewing 1 post (of 1 total)You must be logged in to reply to this topic.Log In Username: Password: Keep me signed in Log In