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I use a Midnite Solar PV Combiner that combines 4 series connected strings of panels into one paralleled output. Each string has its own fuse in the combiner box. The output goes to a 60 amp Epever charge controller, which also has a fuse. I'm not sure if the CC fuse protects the input or output. My question is, do I still need a fuse/breaker between the combiner output and the charge controller? Thanks for any advice.