Blue Sea 300A Red Mini m-Series On/Off Battery Switch w/ Key Popular or low-light mornings and evenings

or low-light mornings and evenings

The Blue Sea Marine Rated Battery (MRBF) Single Terminal Fuse Block solves one of the most common challenges in marine and automotive electrical installations: limited space

the APM begins protecting immediately—no configuration needed

or when you’re aiming to align charging behaviour with a battery supplier’s recommendations

Blue Sea 300A Red Mini m-Series On/Off Battery Switch w/ Key Popular or low-light mornings and eveningsCompact battery isolation for marine, RV and DC power systems When space is tight but current demands are high, the Blue Sea mini mSeries ON OFF battery switch is designed to deliver reliable battery isolation in a compact footprint. Its a practical choice for boat owners and installers who want a neat, serviceable way to disconnect a battery for maintenance, storage, fault finding or improved safetywithout resorting to oversized switchgear. Rated to