Marine Circuit Breakers & Fuses: Blue Sea Systems

Breakers, Fuses and Accessories for Boats

Breakers, Fuses and Accessories for Boats help you maintain, repair, and upgrade your equipment with the right components for the job. Shop replacement parts and accessories built for marine use and long-term reliability.

Showing 1 - 24 of 252 products

Sea-Dog Replacement Red Insert For Fuse HolderSKU: 527202

$6.25

Blue Sea Systems Push Button Reset Only Circuit Breakers, w/ Screw Terminals, 3 to 40 AmpSKU: 531233-3AMPS

From $9.56

Blue Sea Systems Blue Sea Systems Push Button Reset Only Circuit Breaker, Quick Connect TerminalsSKU: 531263-3AMPS

From $7.25

Sea-Dog Sea-Dog AGC Inline Fuse HolderSKU: 538663

$3.75

A-Series Circuit Breaker Toggle Guard<br>4100

Blue Sea Systems A-Series Circuit Breaker Toggle Guard
4100SKU: 115673

$3.77

Scotty 12A Circuit Breaker, S-CIRCBRKER12ASKU: 542740

$4.35

Sea-Dog Sea-Dog, In-Line Fuse Holders, WatertightSKU: 532632-10AMPS-Bulk

From $11.75

Blue Sea Systems SafetyHub 100 Fuse Block Only, Bulk - 7725B (no plug)SKU: 245321

$124.95

Blue Sea Systems Indicator Lights, LED, Choice of ColorsSKU: 531394-RED-120Volt

From $3.96

Blue Sea Systems AC/DC A-Series Single Pole Circuit Breakers, ToggleSKU: 531268-5AMPS-WHT

From $21.42

Blue Sea Systems 285-Series DC Circuit Breakers, Panel MountSKU: 531229-40AMPS

From $65.57

Blue Sea Systems MRBF Terminal Fuse Block - 30 to 300ASKU: 242507

$31.50

Blue Sea Systems Blue Sea Systems 285-Series DC Circuit Breaker, Surface MountSKU: 531230-25AMPS

From $65.57

Sea-Dog Sea-Dog, Resettable Circuit BreakersSKU: 531242-20AMPS

From $12.25

Egis Push Button Panel Mount Circuit Breaker, Screw Terminals, 10 Amp, Retail PackSKU: 577081

$7.25

Blue Sea Systems Blue Sea Systems, ST Blade Fuse Block With Cover - 12 Circuit with Negative BusSKU: 98028

$60.80

Blue Sea Systems Blue Sea MAXI In-Line Fuse HolderSKU: 539563

$30.95

Blue Sea Systems MRBF Surface Mount Fuse Block Common SourceSKU: 565330

$55.50

Blue Sea Systems Blue Sea ANL Fuse 200ASKU: 572688

$37.95

Blue Sea Systems AC/DC A-Series Single Pole Circuit Breakers, Flat RockerSKU: 531213-5AMPS

From $30.07

Blue Sea Systems Medium Duty Push Button Reset Only DC Circuit Breakers, 15 to 60 AmpSKU: 531212-15AMPS

From $60.39

Sea-Dog Sea-Dog, Thermal Circuit Breakers up to 30 AmpSKU: 531204-5AMPS

From $5.50

Cole Hersee Circuit BreakerSKU: 531259-30AMPS

From $25.82

Egis Push Button Panel Mount Circuit Breaker, Spade Terminals, 10 Amp, Retail PackSKU: 577097

$7.50

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Breakers and Fuses – Marine Electrical Protection for Boats & RVs

Protect your vessel’s electrical system with high-quality marine breakers and fuses from Go2Marine. Designed to safeguard your boat’s wiring and onboard electronics, these essential components prevent overloads, short circuits, and fire hazards—ensuring safe and reliable operation in demanding marine environments.
Our collection of marine-grade breakers and fuses includes:

Circuit breakers in manual reset, push-button, and toggle styles for easy troubleshooting and protection
Blade fuses, glass fuses, and fuse blocks compatible with 12V and 24V marine electrical systems
Water-resistant and ignition-protected designs for use in engine compartments and exposed areas
Inline fuse holders and terminal blocks for clean, organized installations
High-amp breakers for trolling motors, windlasses, and other high-draw equipment

Whether you're outfitting a sailboat, powerboat, yacht, or RV, Go2Marine offers electrical protection solutions from trusted brands like Blue Sea Systems, Marinco, Sea-Dog, and Bussmann. These components are built to withstand vibration, moisture, and saltwater exposure—making them ideal for marine and outdoor applications.
Shop now to find the best selection of marine breakers and fuses—engineered for safety, trusted for reliability, and essential for every boat’s electrical system.