Yes you can run to the buss bars
As for the breaker
Maybe.. If you find one with screw terminals on each side aka four screws
Most house breakers snap in to the high buss bar in the breaker panel and only have a screw terminal on the output side
I had fuse on my solar wires replaced the fuse with 40 amp DC circuit breaker
I can explain it to you.
But I Can Not understand it for you !
....
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1997 F53 Bounder 36s