Originally Posted by Scalf77
I think you pretty much nailed it, In general the fusing SMB installs to/from the batteries it totally inadequate in my mind.
Dug out some picture to show what I did.
Class T fuse protecting the house battery.
Polycase ML-47F*1508 7.63 x 4.63 x 3.09 in. NEMA 4X/ IP66 rated for outdoor use
Polycase ML-47K 0.06 x 7.12 x 4.13 in. Mounting Panel
Polycase CG-17 Cable Gland
Blue Sea 5502 -Class T Fuse Block with Insulating Cover - 225 to 400A
Blue Sea 5118 -Class T fuse 250 amp
MRBF fuse from starter to house.
Blue Sea 5191 -MRBF Terminal Fuse Block - 30 to 300A
Blue Sea 5187 -MRBF Terminal Fuse - 200A