Circuit Protection

OverviewThe Blue Sea Systems ATO/ATC-Style Low Profile is a manually resettable circuit breaker made to replace standard ATO and ATC blade-style fuses in compatible DC fuse blocks. It gives boat owners a cleaner way to handle branch circuit protection...

OverviewThe Blue Sea Systems ATO/ATC Fuse Pack is a 25-pack of fast-acting blade fuses for low-voltage DC circuit protection on boats, vehicles, and other small-load electrical systems. Each fuse is rated for up to 32V DC and has a 1000A interrupt...

OverviewThe Blue Sea Systems easyID ATC Fuse is an illuminated blade fuse range for 32V DC boat electrical panels, made to replace standard non-illuminating ATO or ATC fuses while making a blown circuit easier to spot.Each fuse uses an LED indicator that...

OverviewThe Blue Sea Systems MIDI/AMI Fuse is a compact fast-acting fuse range for main or branch circuit protection on DC electrical systems. It covers amperage ratings from 30A to 200A, with a maximum voltage of 32V DC, making it a practical match for...

OverviewThe Blue Sea Systems ATO/ATC Fuse is a fast-acting blade fuse for DC circuit protection in marine electrical panels, fuse blocks, and accessory circuits that use the common ATO/ATC format. It is available across a 1A to 40A amperage range, with a...

OverviewThe Blue Sea Systems MAXI Fuse is a blade-style DC fuse for economical branch circuit protection on boats, with amperage options from 30A to 80A. It is rated for a maximum of 32V DC and has a 1000A interrupt capacity, making it a practical fit...

OverviewThe Blue Sea Systems ANL Fuse is a bolt-down fuse range for high-current DC circuit protection on boats, with amperage options from 35A to 750A. It is used with ANL fuse blocks in main battery feeds, inverter circuits, windlass feeds, bow...

OverviewThe Blue Sea Systems MRBF Terminal Fuse is a Marine Rated Battery Fuse for high-current DC circuit protection close to the battery, with amperage options from 30A to 300A and a maximum voltage rating of 58V DC. It is used with a compatible Blue...

OverviewThe Blue Sea Systems ST CLB is a circuit breaker block for compact resettable DC branch circuit protection on boats. It is made for CLB resettable circuit breakers and uses quick connect clips so breakers snap into place without the bulk and cost...

OverviewThe Blue Sea Systems ST Blade Compact Fuse Block is a surface-mount fuse block for consolidating ATO and ATC blade-fuse branch circuits in a compact boat electrical panel. It is rated for up to 100A per block and 30A per circuit, with a maximum...

OverviewThe Blue Sea Systems ST Blade Fuse Block is a 6-circuit fuse block for organizing and protecting small DC branch circuits on boats. It accepts ATO and ATC blade fuses and is rated for up to 32V DC, which makes it suitable for common 12V and 24V...

OverviewThe Blue Sea Systems WeatherDeck is a waterproof 12V/24V DC switch panel for boats that need dependable manual switching in exposed areas such as a dash, cockpit, center console, or flybridge. The panel front is rated IP67 when properly mounted...