Circuit Protection

OverviewThe Blue Sea Systems MRBF Terminal Fuse Block is a range of fuse blocks for placing high-amperage DC circuit protection close to the power source on a boat. These blocks use MRBF terminal fuses and are suited to battery mains, inverters,...

OverviewThe Blue Sea Systems ANL Fuse Block with Insulating Cover is a covered fuse holder for high-current DC circuits using ANL fuses in marine electrical systems. It supports systems up to 32V DC and is offered in two amperage ranges, making it...

OverviewThe Blue Sea Systems Water-Resistant 100A BusBar is a covered common busbar for organizing 100A AC or DC distribution in wet or exposed areas of a boat. It gives installers a compact point for positive distribution, negative collection, or AC...

OverviewThe Blue Sea Systems ST Glass 6 Circuit Fuse Block is a compact DC fuse block for organizing up to six protected branch circuits on a boat. It is rated for 32V DC systems, with a maximum of 100A per block and 30A per circuit, making it a...

OverviewThe Blue Sea Systems ST-Blade Water-Resistant Fuse Block is a compact 4-circuit fuse block for protected DC branch circuits on boats, built for ATO and ATC blade fuses as well as ATO/ATC-style low-profile circuit breakers.It is rated for 32V DC...

OverviewThe Blue Sea Systems MaxiBus 250A BusBar is a heavy-duty electrical distribution busbar for consolidating multiple conductors or feeding multiple circuits in marine AC and DC systems. It is rated for 250A continuous current, with a maximum...

OverviewThe Blue Sea Systems C-Series Toggle Circuit Breaker is a double-pole magnetic hydraulic breaker for high-amp marine circuits that need switching and overcurrent protection in one panel-mounted device. This white toggle breaker family is offered...

OverviewThe Blue Sea Systems Common 100A Mini BusBar is a compact common busbar for organizing multiple electrical connections in tight marine electrical spaces. It is rated for 100A continuous service and supports systems up to 300V AC or 48V DC, making...

OverviewThe Blue Sea Systems Class T Fuse Block with Insulating Cover is a high-current fuse holder range for Class T fuses on DC marine electrical systems up to 160V DC. It is made for fast-acting overcurrent protection in demanding circuits such as...

OverviewThe Blue Sea Systems C-Series Flat Rocker Circuit Breaker is a triple-pole magnetic hydraulic breaker for high-current DC circuits on boats, including inverter, bow thruster, and windlass installations. This range is available in 250A DC and 300A...

OverviewThe Blue Sea Systems C-Series is a double-pole flat rocker circuit breaker for DC marine electrical systems where high-current load protection and manual switching are needed in one panel-mounted device. This magnetic hydraulic breaker is...

OverviewThe Blue Sea Systems C-Series is a white triple-pole toggle circuit breaker range for AC main circuit protection and switching on boats. It combines a manual toggle switch with magnetic hydraulic circuit protection, giving one panel-mounted...