Blue Sea M Series Mini Battery Switch
300 Ampere continuous rating for outboard and small gasoline or diesel engines. One-piece tin-plated copper stud design never loosens over time. Terminals studs accept 3/8" or M10 ring terminals. Features isolation cover with 3 removable sides. Ignition protected and UL Listed. Rated for 300 apms continuous, 500 intermittent, 1500 cranking.