I could use Blue Sea 187 Series breakers for that.I use switching breakers on the input and output. These protect the wire and will disconnect the power so the controller can be removed whithout shutting the system down.
I'm sure that works fine, but I'd prefer some type of holder/block. Using the double lug MRBF block is also a clean way to connect the charge & load cables.The MEGA fuses bolted to the terminals protect the bank(s) from a catastrophic failure.
No reason to use a MRBF