Champion radiator install with twin electric fans

Nice.
What kind of fan controller or relay/ fuse set up are you running?

Also what brand and amp alternator are you running?

I'm using the derale dual fan set up with the derale dual fan controller, 100 amp GM style 1 wire alternator.

I think I have 2 problems.

My alternator threw a belt a month ago before I initially overheated and decided on the dual fan set up.

I think I'm still having issues with my alternator bearing as it threw another belt and started to overheat on my initial test drive.
My fans could not keep up with the demand and the 40 amp circuit breaker supplied with the controller tripped thus shutting my fans down after I pulled into a parking lot.

Luckily. I had my spare belt which I installed looser than the one I threw and. I made it home fine just a mile away.

I'm wondering if I need to beef up my wiring with separate relays or mega fuses instead of the circuit breaker as my fans ran again once. I removed and replaced my fan fuse for my over ride switch to the fans.

I may also step up to a 140 amp alternator as I'm also running an electric fuel pump.