Blue Sea Systems builds the breakers that protect marine wiring. Size the breaker to the wire, pick push-button or switchable, and keep it ignition protected where it counts. A circuit breaker protects the wire, not just the gear on the end of it, and Blue Sea Systems builds the marine breakers that do that job reliably. This collection covers push-button reset breakers, toggle and switchable breakers, and panel-mount units across the full amp range. Choosing right comes down to sizing the breaker to the wire, picking the style that fits the install, and meeting the safety rules for your boat. Size the breaker to the wire, not the load This is the rule people get backward. A breaker exists to...
Circuit breakers protect the wire in electrical circuits. Blue Sea Systems broad selection of magnetic and thermal circuit breakers include a vast selection of main and branch circuit...
Magnetic hydraulic circuit breakers that combine switching and circuit protection into a single device. The industry standard circuit breaker for Blue Sea Systems electrical panelsBlue Sea 7230BSS Attributes...
7218 AC/DC Single Pole Magnetic World Circuit Breaker - 25AMPThe World Circuit Breaker meets all American Boat and Yacht Council (ABYC) Standards, is UL 1077 Recognized, TUV Certified,...
SMS Surface Mount System Panel Enclosure - 120/240V AC / 50A ELCI Main - 1 Blank Circuit PositionPanel enclosure for ELCI Main circuit breakers and other large frame...
7152 Short Stop Circuit Breaker - 15A Corrosion Resistant Material IP 64 Water Resistant Boot Push to Reset Only Interrupt Capacity: 2,500A @ 28VDC Red insulating boot included...
7445 UL-489 Circuit Breaker - 50A Flat RockerSuitable for use when UL-489 specifications are required (Navy, Army, or Coast Guard vessels, and other vessels covered under CFR 46).Specifications:...
7440 UL-489 Circuit Breaker - 5A Flat RockerSuitable for use when UL-489 specifications are required (Navy, Army, or Coast Guard vessels, and other vessels covered under CFR 46).Specifications:...
C-Series Flat Rocker Circuit Breaker - Single Pole - 60AFeatures: Rocker actuator is flush in the "ON" position, eliminating the risk of accidential switching Color actuator indicates "OFF"...
Magnetic hydraulic circuit breakers that combine switching and circuit protection into a single device. The industry standard circuit breaker for Blue Sea Systems electrical panelsBlue Sea 7574BSS Attributes...
Push Button Reset Only Screw Terminal Circuit Breaker - 25 AmpsFeatures: Branch circuit breakers (can also be used for 24-hour circuit protection) Quick connect terminal style circuit breakers...
Blue Sea Systems designs and manufactures AC and DC electrical products engineered to withstand the demanding applications in Marine and Specialized Vehicle electrical systems.Blue Sea 2129BSS Attributes Ampere...
Blue Sea Systems designs and manufactures AC and DC electrical products engineered to withstand the demanding applications in Marine and Specialized Vehicle electrical systems.Blue Sea 2130BSS Attributes Ampere...
The advantage of a resettable circuit breaker over a fuse is well known however people find circuit breakers more expensive and difficult to install. The ST CLB Circuit...
Thermal circuit breakers provides medium duty circuit protection for 25 to 150 Amp loads when switching and circuit protection are both required.Blue Sea 7085BSS Attributes Ampere Rating: 70 Amp...
Mounting Panel for Toggle Type Magnetic Circuit Breakers Mounts A-Series Double Pole Toggle Circuit Breakers Slate gray matches standard panel color Mounts A-Series double pole toggle circuit breaker...
Single Pole Small Case 2" Slot Reset Rocker Circuit BreakerPN: 7430Amperage: 25 AmpFeatures: Color actuator indicates "OFF" position "Trip Free" design cannot be held "ON" during fault current condition Specifications ...
AC / DC Single Pole Magnetic World Circuit BreakerThe World Circuit Breaker meets all American Boat and Yacht Council (ABYC) Standards, is UL 1077 Recognized, TUV Certified, CE...
C-Series TogglePN: 7258Poles: 2Color: WhiteAmperage: 100AFeatures: 5,000 Ampere interrupt capacity to meet ABYC requirements for 120/240 Volt 50 Ampere main protection Double pole used as 120 volt AC main circuit breaker to...
C-Series TogglePN: 7254Poles: 2Color: WhiteAmperage: 60AFeatures: 5,000 Ampere interrupt capacity to meet ABYC requirements for 120/240 Volt 50 Ampere main protection Double pole used as 120 volt AC main circuit breaker to...
Blue Sea 7251BSS Attributes C-Series TogglePN: 7251Poles: 2Color: WhiteAmperage: 50AFeatures: 5,000 Ampere interrupt capacity to meet ABYC requirements for 120/240 Volt 50 Ampere main protection Double pole used as 120 volt AC...
Magnetic hydraulic circuit breakers that combine switching and circuit protection into a single device. UL 1077 recognized, TUV certified, CE marked for Europe and CSA certified for Canada.Blue...
A-Series Toggle Double PolePN: 7237Poles: 2Color: BlackAmperage: 30AFeatures: Meets American Boat and Yacht Council (ABYC) standards UL 1077 recognized, TUV certified, CE marked for Europe and CSA certified for Canada The industry...
AC / DC Single Pole Magnetic World Circuit BreakerThe World Circuit Breaker meets all American Boat and Yacht Council (ABYC) Standards, is UL 1077 Recognized, TUV Certified, CE...
Magnetic hydraulic circuit breakers that combine switching and circuit protection into a single device. The industry standard circuit breaker for Blue Sea Systems electrical panelsBlue Sea 7217BSS Attributes...
Blue Sea Systems builds the breakers that protect marine wiring. Size the breaker to the wire, pick push-button or switchable, and keep it ignition protected where it counts.
A circuit breaker protects the wire, not just the gear on the end of it, and Blue Sea Systems builds the marine breakers that do that job reliably. This collection covers push-button reset breakers, toggle and switchable breakers, and panel-mount units across the full amp range. Choosing right comes down to sizing the breaker to the wire, picking the style that fits the install, and meeting the safety rules for your boat.
This is the rule people get backward. A breaker exists to stop the wire from overheating before it can start a fire, so you size it to the ampacity of the wire gauge it protects, not to the appliance draw. Pick the wire for the load and length first, then choose a breaker rated at or below what that wire can safely carry. Oversizing the breaker defeats the whole point.
Push-button reset-only breakers are compact and great for protecting a single circuit behind a panel. Switchable breakers, like the A-Series and toggle styles, double as an on-off switch and a breaker in one, which cleans up a panel by combining functions. Use switchable breakers where you want to kill the circuit by hand and protect it in the same spot.
Most 12-volt DC circuits use a single-pole breaker on the positive. AC circuits and some applications need double-pole breakers that open both conductors. Confirm whether you are protecting DC or AC and match the breaker rating and pole count to the system, because they are not interchangeable.
In a gasoline engine compartment or any space where fuel vapors can collect, the breaker must be ignition protected so it cannot spark a fire. Blue Sea marks ignition-protected parts clearly. Do not put a non-rated breaker in a gas engine space.
Match the breaker to your setup. Panel breakers integrate into a Blue Sea panel for a clean helm, while surface-mount and in-line breakers protect a single run near the source. Plan where the breaker lives so it is accessible to reset.
Not sure which breaker your circuit needs? Tell our techs the wire gauge, the load, and whether it is AC or DC, and we will match the amp rating, style, and pole count so the wiring is protected right.
Size the breaker to the wire it protects, not the appliance draw. Pick the wire gauge for the load and run length first, then choose a breaker rated at or below what that wire can safely carry. The breaker protects the wire from overheating.
Push-button reset-only breakers are compact for protecting a single circuit. Switchable breakers, like the A-Series, act as both an on-off switch and a breaker, which cleans up a panel by combining the two functions.
Most 12-volt DC circuits use a single-pole breaker on the positive. AC circuits and some setups need double-pole breakers that open both conductors. Match the pole count and rating to whether the system is AC or DC.
An ignition-protected breaker cannot spark a fire in a space where fuel vapors can collect, such as a gasoline engine compartment. Blue Sea marks these parts clearly, and you should never use a non-rated breaker in a gas engine space.
No. Oversizing the breaker removes protection from the wire and creates a fire risk. If a correctly sized breaker keeps tripping, the circuit is overloaded or faulted and needs to be fixed, not masked with a larger breaker.
