Blue Sea Systems ATO/ATC fuses provide fast-acting, standard circuit protection for automobiles, trucks and electronic devices. All variants feature tin-plated connector blades for corrosion resistance and a visible blown indicator to simplify diagnostics. The family is available in multiple amperages (examples in the variants range from 1A through 40A) and in common pack quantities (including 2-pack and 25-pack options) to support individual replacements and bulk needs. Selected pack listings include specifications such as 32V DC maximum voltage and 1000A interrupt capacity where noted. Includes California Proposition 65 warning for DEHP where applicable.