100 amp circuit breaker question

[Mermaid007]

hi everyone and thanks in advance. I purchased eg4 6000xp inverter and in running it to a 50 Amp 125/250 Volt Power Outlet Box,and signature Solar told me I should have 100 amp circuit breaker in between the inverter and the power outlet box. I’ll put a picture of the circuit breaker that I found and let me know your thoughts. Is this OK if not, any suggestion that I could get on Amazon if the one I picked is not right

 

[sunshine_eggo]

Fuses/breakers exist to protect wires, so your wire needs to handle at least 80A to make this breaker safe to use. Fuses/breakers are sized 1.25X wire rating.

 

[hwy17]

If you're AC wiring in the USA shopping from what they have in stock at home depot will lead you in a better direction than Amazon. There's no need to go Chinese for AC breakers, regular UL breakers are cheap and common.

Square D Homeline, QO, Siemens, Eaton, GE, etc.