Marine Circuit Protection

Marine Circuit Protection

Featured Brands

  • Blue Sea Systems® - ST Blade Fuse Block
    Blue Sea Systems®ST Blade Fuse Block
    1
    # 5259549992
    ST Blade Fuse Block by Blue Sea Systems®. This top-grade product is expertly made in compliance with stringent industry standards to offer a fusion of a well-balanced design and high level of craftsmanship. Manufactured from...
    Accepts ring or snap fork type terminalsStrict quality control and thorough testing
    $35.50 - $55.01
  • Blue Sea Systems® - 60 Label Set
    Blue Sea Systems®60 Label Set
    0
    # 5259550903
    60 Label Set by Blue Sea Systems®. This top-grade product is expertly made in compliance with stringent industry standards to offer a fusion of a well-balanced design and high level of craftsmanship. Manufactured from industry-leading...
    60 common DC labelsReinforced, weatherproof material
    $12.32
  • Blue Sea Systems® - ANL Fuse Block with Insulating Cover
    Blue Sea Systems®ANL Fuse Block with Insulating Cover
    0
    # 5259550679
    ANL Fuse Block with Insulating Cover by Blue Sea Systems®. This top-grade product is expertly made in compliance with stringent industry standards to offer a fusion of a well-balanced design and high level of craftsmanship. Manufactured...
    Accepts 5/16" (M8) ring terminalsFor use on systems up to 32 Volts DC
    $33.58 - $51.43
  • Blue Sea Systems® - Class T Fuse Block with Insulating Cover
    Blue Sea Systems®Class T Fuse Block with Insulating Cover
    0
    # 5259550892
    Class T Fuse Block with Insulating Cover by Blue Sea Systems®. This top-grade product is expertly made in compliance with stringent industry standards to offer a fusion of a well-balanced design and high level of craftsmanship....
    Strict quality control and thorough testingOffered at a reasonable price
    $51.43 - $74.13
  • Blue Sea Systems® - MRBF Surface Mount Fuse Block
    Blue Sea Systems®MRBF Surface Mount Fuse Block
    0
    # 5259550115
    MRBF Surface Mount Fuse Block by Blue Sea Systems®. This top-grade product is expertly made in compliance with stringent industry standards to offer a fusion of a well-balanced design and high level of craftsmanship. Manufactured from...
    Accommodates three MRBF fuses for consolidated high amperage circuit protectionClip-on insulating cover satisfies ABYC/USCG insulation requirements
    $50.21 - $59.31
  • Blue Sea Systems® - ST Blade Battery Terminal Mount Fuse Block
    Blue Sea Systems®ST Blade Battery Terminal Mount Fuse Block
    0
    # 5259550821
    ST Blade Battery Terminal Mount Fuse Block by Blue Sea Systems®. This top-grade product is expertly made in compliance with stringent industry standards to offer a fusion of a well-balanced design and high level of craftsmanship....
    Mounts on the battery terminal studScrew terminals for securing wires
    $30.33 - $33.52
  • Blue Sea Systems® - ST Blade Compact Fuse Blocks
    Blue Sea Systems®ST Blade Compact Fuse Blocks
    0
    # 5259549967
    ST Blade Compact Fuse Blocks by Blue Sea Systems®. Provides surface mount circuit protection for ATO™/ATC™ Fuses in a compact footprint. This top-grade product is expertly made in compliance with stringent industry standards to...
    Ignition protected when cover is secure -meets ISO 8846 and SAE J1171 for use in a gasoline engine compartmentSingle side design allows wire entry from one side to minimize footprint
    $36.91 - $44.47
  • Blue Sea Systems® - ST Blade Water-Resistant Fuse Block with Cover
    Blue Sea Systems®ST Blade Water-Resistant Fuse Block with Cover
    0
    # 5259549870
    ST Blade Water-Resistant Fuse Block with Cover by Blue Sea Systems®. Provides water-resistant circuit protection for ATO/ATC fuses & circuit breakers in a compact footprint. allows for simple wiring with standard toolsthan 4 loads are...
    Water-resistant design with standard ring or spade type terminalsAccepts a wide range of wire sizes
    $36.39 - $38.99
  • Blue Sea Systems® - ST Glass 6 Circuit Fuse Block
    Blue Sea Systems®ST Glass 6 Circuit Fuse Block
    0
    # 5259550993
    ST Glass 6 Circuit Fuse Block by Blue Sea Systems®. Innovative design allows for labeling, spare fuse storage, and easy fuse removal. This top-grade product is expertly made in compliance with stringent industry standards to offer a...
    Clear insulating cover with label recesses for accept Large Format LabelsCover insulates all conductive parts, satisfying ABYC/USCG requirements and storing spare fuses
    $34.52 - $40.63
  • Blue Sea Systems® - Terminal Block
    Blue Sea Systems®Terminal Block
    0
    # 5259550211
    Terminal Block by Blue Sea Systems®. This top-grade product is expertly made in compliance with stringent industry standards to offer a fusion of a well-balanced design and high level of craftsmanship. Manufactured from industry-leading...
    Closed back design completely insulates power from the mounting surfaceEach screw pair is one isolated circuit
    $4.73 - $33.18
  • Blue Sea Systems® - Terminal Block Jumper
    Blue Sea Systems®Terminal Block Jumper
    0
    # 5259550981
    Terminal Block Jumper by Blue Sea Systems®. This top-grade product is expertly made in compliance with stringent industry standards to offer a fusion of a well-balanced design and high level of craftsmanship. Manufactured from...
    Jumpers allow creation of common circuits on independent connectors5 in Retail Pack
    $5.13
  • Sea Dog® - 20 A AGC Fuse Terminal Block
    Sea Dog®20 A AGC Fuse Terminal Block
    0
    # 4909875424
    20 A AGC Fuse Terminal Block by Sea Dog®. Combination multiple gang fuse blocks with brass fuse clips and screws. Can be used with 1/4" x 1-1/4" fuses for circuit distribution and also features separate grounding terminal bar. Designed...
    Expertly crafted from premium materialsDesigned to match rigorous quality standards
    $22.12 - $30.07
  • Sea Dog® - 7/16" AGC Black Fuse Holder with Screw-On Cap
    Sea Dog®7/16" AGC Black Fuse Holder with Screw-On Cap
    0
    # 4385515975
    7/16" AGC Black Fuse Holder with Screw-On Cap by Sea Dog®. The panel mounted AGC Fuse Holder provides over-current protection in electrical circuits. Solder terminal. Accepts standard 1/4" x 1-1/4" AGC Style Fuses 444101-444115, and...
    Expertly crafted from premium materialsDesigned to match rigorous quality standards
    $1.24 - $4.02
  • Sea Dog® - AGC Watertight Inline Dual Fuse Holder
    Sea Dog®AGC Watertight Inline Dual Fuse Holder
    0
    # 4909875537
    AGC Watertight Inline Dual Fuse Holder by Sea Dog®. Watertight holders feature snap tight connection for use in wet or semi-wet locations. Fuse holder has a special designed case that is molded with a second fuse pocket allowing a spare...
    Expertly crafted from premium materialsDesigned to match rigorous quality standards
    $6.70 - $11.00
  • DS18® - Marine Fuse Holder
    DS18®Marine Fuse Holder
    0
    # 3795146265
    Marine Fuse Holder by DS18®. Sold individually. DS18 has new fuse holders that you can be sure to use in almost all weather conditions, the MFH8. This weatherproof fuse holder is completely sealed from the elements. It comes with...
    Perfect blend of leading innovations and superior workmanshipManufactured to offer high value and everlasting reliability
    $11.95 - $16.95
  • Blue Sea Systems® - 187-Series Circuit Breaker
    Blue Sea Systems®187-Series Circuit Breaker
    1
    # 5259550021
    187-Series Circuit Breaker by Blue Sea Systems®. This top-grade product is expertly made in compliance with stringent industry standards to offer a fusion of a well-balanced design and high level of craftsmanship. Manufactured from...
    Combines switching and circuit protection into a single deviceClear, single lever operation
    $67.80 - $100.73
  • Blue Sea Systems® - 285-Series Circuit Breaker
    Blue Sea Systems®285-Series Circuit Breaker
    0
    # 5259550014
    285-Series Circuit Breaker by Blue Sea Systems®. This top-grade product is expertly made in compliance with stringent industry standards to offer a fusion of a well-balanced design and high level of craftsmanship. Manufactured from...
    Drop in replacement for 185-Series Circuit BreakersVisible reset lever shows open condition
    $48.66
  • Blue Sea Systems® - A-Series Blank Mounting Panel
    Blue Sea Systems®A-Series Blank Mounting Panel
    0
    # 5259549924
    A-Series Blank Mounting Panel by Blue Sea Systems®. This top-grade product is expertly made in compliance with stringent industry standards to offer a fusion of a well-balanced design and high level of craftsmanship. Manufactured from...
    Slate gray matches standard panel color1/8" aluminum 5052 alloy
    $27.62 - $34.31
  • Blue Sea Systems® - A-Series Flat Rocker Circuit Breaker
    Blue Sea Systems®A-Series Flat Rocker Circuit Breaker
    0
    # 5259550878
    A-Series Flat Rocker Circuit Breaker by Blue Sea Systems®. This top-grade product is expertly made in compliance with stringent industry standards to offer a fusion of a well-balanced design and high level of craftsmanship. Manufactured...
    Color actuator indicates "OFF" position"Trip Free" design cannot be held "ON" during fault current condition
    $26.13 - $38.07
  • Blue Sea Systems® - A-Series Raised Rocker Circuit Breaker
    Blue Sea Systems®A-Series Raised Rocker Circuit Breaker
    0
    # 5259550913
    A-Series Raised Rocker Circuit Breaker by Blue Sea Systems®. Double Pole. This top-grade product is expertly made in compliance with stringent industry standards to offer a fusion of a well-balanced design and high level of...
    Color actuator indicates "OFF" position"Trip Free" design cannot be held "ON" during fault current condition
    $36.92 - $37.65
  • Blue Sea Systems® - A-Series Toggle Circuit Breaker
    Blue Sea Systems®A-Series Toggle Circuit Breaker
    0
    # 5259549997
    A-Series Toggle Circuit Breaker by Blue Sea Systems®. This top-grade product is expertly made in compliance with stringent industry standards to offer a fusion of a well-balanced design and high level of craftsmanship. Manufactured from...
    Strict quality control and thorough testingOffered at a reasonable price
    $18.62 - $36.51
  • Blue Sea Systems® - A3T/Class T Fuse
    Blue Sea Systems®A3T/Class T Fuse
    0
    # 5259550074
    A3T/Class T Fuse by Blue Sea Systems®. This top-grade product is expertly made in compliance with stringent industry standards to offer a fusion of a well-balanced design and high level of craftsmanship. Manufactured from...
    Extremely fast short-circuit response20,000 Ampere Interrupt Capacity (AIC)
    $43.10
  • Blue Sea Systems® - AGC Fuse
    Blue Sea Systems®AGC Fuse
    0
    # 5259549856
    AGC Fuse by Blue Sea Systems®. This top-grade product is expertly made in compliance with stringent industry standards to offer a fusion of a well-balanced design and high level of craftsmanship. Manufactured from industry-leading...
    Strict quality control and thorough testingOffered at a reasonable price
    $2.19 - $20.23
  • Blue Sea Systems® - AMI/MIDI Fuse
    Blue Sea Systems®AMI/MIDI Fuse
    0
    # 5259550396
    AMI/MIDI Fuse by Blue Sea Systems®. This top-grade product is expertly made in compliance with stringent industry standards to offer a fusion of a well-balanced design and high level of craftsmanship. Manufactured from industry-leading...
    Fast-acting type fuses ideal for electronic devicesStandard circuit protection device for automobiles and trucks
    $8.58 - $8.82
  • Blue Sea Systems® - ANL Fuse
    Blue Sea Systems®ANL Fuse
    0
    # 5259550162
    ANL Fuse by Blue Sea Systems®. This top-grade product is expertly made in compliance with stringent industry standards to offer a fusion of a well-balanced design and high level of craftsmanship. Manufactured from industry-leading...
    Silver-plated connector blades for corrosion resistanceVisible indication of blown condition
    $26.83 - $37.35
  • Blue Sea Systems® - ATM Fuse
    Blue Sea Systems®ATM Fuse
    0
    # 5259549888
    ATM Fuse by Blue Sea Systems®. This top-grade product is expertly made in compliance with stringent industry standards to offer a fusion of a well-balanced design and high level of craftsmanship. Manufactured from industry-leading...
    Strict quality control and thorough testingOffered at a reasonable price
    $1.79 - $3.90
  • Blue Sea Systems® - ATO/ATC Fuse
    Blue Sea Systems®ATO/ATC Fuse
    0
    # 5259549903
    ATO/ATC Fuse by Blue Sea Systems®. This top-grade product is expertly made in compliance with stringent industry standards to offer a fusion of a well-balanced design and high level of craftsmanship. Manufactured from industry-leading...
    Strict quality control and thorough testingOffered at a reasonable price
    $2.22 - $21.23
  • Blue Sea Systems® - ATO/ATC-Style Low Profile Fuse
    Blue Sea Systems®ATO/ATC-Style Low Profile Fuse
    0
    # 5259550141
    ATO/ATC-Style Low Profile Fuse by Blue Sea Systems®. Use a manually resettable circuit breaker instead of an ATO or ATC fuse. This top-grade product is expertly made in compliance with stringent industry standards to offer a fusion of a...
    Drop in replacement for ATO and ATC blade style fusesManual push button reset complies with ABYC circuit protection requirements
    $12.85
  • Blue Sea Systems® - C-Series Flat Rocker Circuit Breaker
    Blue Sea Systems®C-Series Flat Rocker Circuit Breaker
    0
    # 5259550483
    C-Series Flat Rocker Circuit Breaker by Blue Sea Systems®. This top-grade product is expertly made in compliance with stringent industry standards to offer a fusion of a well-balanced design and high level of craftsmanship. Manufactured...
    Color actuator indicates "OFF" positionProvides overcurrent protection for inverters, bow thrusters, and windlasses
    $32.96 - $169.99
  • Blue Sea Systems® - C-Series White Toggle Circuit Breaker
    Blue Sea Systems®C-Series White Toggle Circuit Breaker
    0
    # 5259550779
    C-Series White Toggle Circuit Breaker by Blue Sea Systems®. This top-grade product is expertly made in compliance with stringent industry standards to offer a fusion of a well-balanced design and high level of craftsmanship....
    Strict quality control and thorough testingOffered at a reasonable price
    $38.66 - $159.06




Regular marine circuit protection is as critical to your boat’s electrical system as costly if ignored. Just like in your home or car, the electrical wiring and components in your boat need protection from current overflow and short circuits. The excess current causes excessive heat generation, which can result in catastrophic electrical fires and/or serious damage. The smaller the wire is, the more heat will be produced with the same amount of current. The primary job of circuit protection devices like fuses and circuit breakers is to stop the heat created during circuit overload from going to your boat’s appliances and devices, thus preventing equipment from overheating and keeping you safe.

On our digital shelves, we handpick top-notch circuit protection devices such as circuit breakers and fuses specially designed for maritime use. Marine circuit breakers and fuses will keep your boat’s electrical circuit reliably protected in the event of overcurrent or overload. They’re intended for the same purpose but use different ways to achieve it. In the event of a fault, a circuit breaker will break the link and prevent all current from flowing through the wire. Unlike a fuse that blows if the current exceeds and needs to be replaced, a circuit breaker can be used again by resetting it once it has tripped. However, fuses generally are more budget-friendly. We also have fuse blocks used to distribute power in your boat’s electrical system as well as fuse holders providing a way to keep, protect, and mount fuses. Plus, you’ll find a wide range of top-grade circuit breaker and fuse accessories that will come in handy to ensure their optimum functionality.



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