Blue Sea

Blue Sea Systems Marine Electrical Products

Blue Sea Systems is a global leader in marine electrical components, trusted by boat owners, boat builders and marine professionals for dependable power management and circuit protection.

At Blue Bottle Marine, we supply a comprehensive range of genuine Blue Sea Systems products designed specifically for harsh marine environments. If you need reliable switching, circuit protection or power distribution on board, Blue Sea Systems is built to handle it.

Why Choose Blue Sea Systems

Blue Sea Systems are designed and manufactured in the USA and provide ultimate reliability in all marine applications.

Robust construction suited to harsh marine environments
Clear labelling and organised layouts
Reliable circuit protection
Safe battery isolation and switching
Clean, professional installation finish

Marine Battery Switches

Blue Sea Systems battery switches provide safe and simple control over your vessel’s power system.

Designed for marine use, they allow you to:

Isolate batteries when the vessel is not in use
Select between battery banks
Manage dual battery systems with confidence
Improve overall electrical safety

Ideal for trailer boats, offshore fishing vessels, cruisers and commercial craft.

Circuit Breakers and Fuse Blocks

Reliable circuit protection is essential out on the water. Blue Sea Systems circuit breakers and fuse blocks help protect wiring and equipment from overload and short circuits.

Blue Sea has a range of products like

Panel mount circuit breakers
Surface mount circuit breakers
Thermal and magnetic breakers
Blade fuse blocks
High-amperage fuse holders

These components are designed for marine conditions and provide clear, organised protection across your electrical system.

Busbars and Power Distribution

Clean, organised wiring is essential for safety and fault finding. Blue Sea Systems busbars and distribution blocks simplify power management and reduce clutter behind panels.

Available options include

Positive and negative busbars
Common busbars with covers
High-capacity distribution blocks
Compact solutions for smaller vessels

Suitable for both 12V and 24V systems.

Switch Panels and Electrical Accessories

Blue Sea Systems switch panels are built for durability and clear operation in marine environments.

Backlit labelling
Pre-wired and blank panel options
Integrated circuit protection
Marine-grade construction