Circuit breaker type? 12v from Renogy 30 to 120ah LiFePo4

[Draconius]

As title states, I currently have a 40amp breaker (tube style Anoshi brand) and it is now breaking instantly. I read elsewhere these style are crap. I'm looking at the square kind, but there are many brands. The one I have also comes in square, but want to ensure I'm buying a good breaker style. Stinger doesn't have a 40amp (recommended by Renogy and 8awg)...

Any help would be epic!

 

[HRTKD]

I used breakers from Blue Sea Systems.

 

[time2roll]

I use Hi-Amp Bussmann. Amazon has them.