Circuit Protection

OverviewThe Blue Sea Systems Common 150A BusBar is a common busbar family for consolidating positive distribution, negative returns, or AC ground circuits on boats using up to 48V DC or 300V AC. The...

OverviewThe Blue Sea Systems UL-489 Circuit Breaker is a 1-pole AC magnetic hydraulic breaker with a flat rocker actuator for marine AC distribution panels where UL-489 specifications are required...

OverviewThe Blue Sea Systems UL-489 Circuit Breaker is a single-pole DC circuit breaker range with a flat rocker actuator, built for marine electrical panels that need UL-489 style protection up to...

OverviewThe Blue Sea Systems MEGA / AMG Fuse is a bolt-down DC fuse for Blue Sea Systems AMG fuse blocks, covering high-current circuit protection from 100A to 300A. It is rated for a maximum voltage...

OverviewThe Blue Sea Systems C-Series ELCI Main Circuit Breaker is a residual-current main breaker for AC shore power panels, combining circuit switching, overcurrent protection, and...

OverviewThe Blue Sea Systems A-Series Raised Rocker Circuit Breaker is a double pole magnetic hydraulic circuit breaker that combines circuit protection and switching in one panel-mounted unit. It is...

OverviewThe Blue Sea Systems Terminal Block 20A is a closed-back independent circuit terminal block for organizing boat wiring in AC or DC systems. Each screw pair forms one isolated circuit, so it...

OverviewThe Blue Sea Systems PowerPost is an insulated single-stud terminal point for joining multiple high-amperage DC conductors in a clean, serviceable location. It gives battery cables, inverter...

OverviewThe Blue Sea Systems C-Series is a white toggle, double-pole AC circuit breaker range for marine electrical panels where switching and overcurrent protection need to work from the same...

OverviewThe Blue Sea Systems ST Blade is a screw-terminal ATO/ATC fuse block range for organizing DC branch circuit protection on boats and other marine electrical systems. It is built for systems up...