1) generally, the LOAD connection on the charge controller is only for a small LED night light or such. They usually cannot handle a lot of power.
2) breakers. The size of the wire you use, determines the size of the breaker to protect the wire.
I avoid fuses because if they blow, you have now spent $ on the original gear and a replacement fuse, usually more than a breaker costs. Good DC breakers are also able to be used as a switch for troubleshooting.
Powerfab top of pole PV mount (2) | Listeroid 6/1 w/st5 gen head | XW6048 inverter/chgr | Iota 48V/15A charger | Morningstar 60A MPPT | 48V, 800A NiFe Battery (in series)| 15, Evergreen 205w "12V" PV array on pole | Midnight ePanel | Grundfos 10 SO5-9 with 3 wire Franklin Electric motor (1/2hp 240V 1ph ) on a timer for 3 hr noontime run - Runs off PV ||
|| Midnight Classic 200 | 10, Evergreen 200w in a 160VOC array ||
|| VEC1093 12V Charger | Maha C401 aa/aaa Charger | SureSine | Sunsaver MPPT 15A
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