Marine Circuit Protection

Marine Circuit Protection

Featured Brands

  • Blue Sea Systems® - 187-Series Circuit Breaker
    Blue Sea Systems®187-Series Circuit Breaker (7141)
    0
    # mpn4947149027
    187-Series Circuit Breaker (7141) by Blue Sea Systems®. Surface Mount. Amperage: 70A. 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...
    Combines switching and circuit protection into a single deviceClear, single lever operation
    $76.86
  • Blue Sea Systems® - 187-Series Circuit Breaker
    Blue Sea Systems®187-Series Circuit Breaker (7144)
    0
    # mpn4947149025
    187-Series Circuit Breaker (7144) by Blue Sea Systems®. Surface Mount. Amperage: 100A. 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...
    Combines switching and circuit protection into a single deviceClear, single lever operation
    $76.86
  • Blue Sea Systems® - 187-Series Circuit Breaker
    Blue Sea Systems®187-Series Circuit Breaker (7142)
    0
    # mpn4947149023
    187-Series Circuit Breaker (7142) by Blue Sea Systems®. Surface Mount. Amperage: 80A. 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...
    Combines switching and circuit protection into a single deviceClear, single lever operation
    $79.88
  • Blue Sea Systems® - 187-Series Circuit Breaker
    Blue Sea Systems®187-Series Circuit Breaker (7139)
    0
    # mpn4947149021
    187-Series Circuit Breaker (7139) by Blue Sea Systems®. Surface Mount. Amperage: 50A. 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...
    Combines switching and circuit protection into a single deviceClear, single lever operation
    $76.86
  • Blue Sea Systems® - 187-Series Circuit Breaker
    Blue Sea Systems®187-Series Circuit Breaker (7042)
    0
    # mpn4947149014
    187-Series Circuit Breaker (7042) by Blue Sea Systems®. Panel Mount. Amperage: 80A. 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...
    Combines switching and circuit protection into a single deviceClear, single lever operation
    $76.86
  • Blue Sea Systems® - 187-Series Circuit Breaker
    Blue Sea Systems®187-Series Circuit Breaker (7143)
    0
    # mpn4947148984
    187-Series Circuit Breaker (7143) by Blue Sea Systems®. Surface Mount. Amperage: 90A. 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...
    Combines switching and circuit protection into a single deviceClear, single lever operation
    $79.88
  • Blue Sea Systems® - 187-Series Circuit Breaker
    Blue Sea Systems®187-Series Circuit Breaker (7049)
    0
    # mpn4947148981
    187-Series Circuit Breaker (7049) by Blue Sea Systems®. Panel Mount. Amperage: 200A. 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...
    Combines switching and circuit protection into a single deviceClear, single lever operation
    $100.73
  • Blue Sea Systems® - 187-Series Circuit Breaker
    Blue Sea Systems®187-Series Circuit Breaker (7038)
    0
    # mpn4947148980
    187-Series Circuit Breaker (7038) by Blue Sea Systems®. Panel Mount. Amperage: 40A. 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...
    Combines switching and circuit protection into a single deviceClear, single lever operation
    $76.86
  • Blue Sea Systems® - 187-Series Circuit Breaker
    Blue Sea Systems®187-Series Circuit Breaker (7036)
    0
    # mpn4947148975
    187-Series Circuit Breaker (7036) by Blue Sea Systems®. Panel Mount. Amperage: 30A. 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...
    Combines switching and circuit protection into a single deviceClear, single lever operation
    $79.88
  • Blue Sea Systems® - 187-Series Circuit Breaker
    Blue Sea Systems®187-Series Circuit Breaker (7048)
    1
    # mpn4947148959
    187-Series Circuit Breaker (7048) by Blue Sea Systems®. Panel Mount. Amperage: 150A. 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...
    Combines switching and circuit protection into a single deviceClear, single lever operation
    $79.88
  • Blue Sea Systems® - 187-Series Circuit Breaker
    Blue Sea Systems®187-Series Circuit Breaker (7039)
    0
    # mpn4947148615
    187-Series Circuit Breaker (7039) by Blue Sea Systems®. Panel Mount. Amperage: 50A. 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...
    Combines switching and circuit protection into a single deviceClear, single lever operation
    $76.86
  • Blue Sea Systems® - 187-Series Circuit Breaker
    Blue Sea Systems®187-Series Circuit Breaker (7136)
    0
    # mpn4947148578
    187-Series Circuit Breaker (7136) by Blue Sea Systems®. Surface Mount. Amperage: 30A. 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...
    Combines switching and circuit protection into a single deviceClear, single lever operation
    $79.88
  • Blue Sea Systems® - 187-Series Circuit Breaker
    Blue Sea Systems®187-Series Circuit Breaker (7047)
    0
    # mpn4947148556
    187-Series Circuit Breaker (7047) by Blue Sea Systems®. Panel Mount. Amperage: 135A. 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...
    Combines switching and circuit protection into a single deviceClear, single lever operation
    $67.80
  • Blue Sea Systems® - ST Blade Fuse Block
    Blue Sea Systems®ST Blade Fuse Block (5037)
    0
    # mpn4947148945
    ST Blade Fuse Block (5037) by Blue Sea Systems®. With 6 Independent Circuits. 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...
    Corrosion resistant, tin-plated copper fuse clips reduce heat and improve the efficiency of the electrical systemAccepts ring or snap fork type terminals
    $35.50
  • Blue Sea Systems® - ST Blade Fuse Block
    Blue Sea Systems®ST Blade Fuse Block (5033)
    0
    # mpn4947148915
    ST Blade Fuse Block (5033) by Blue Sea Systems®. With 6 Circuits. Consolidates branch circuits and in-line fuses. This top-grade product is expertly made in compliance with stringent industry standards to offer a fusion of a...
    Positive distribution bus with #10-32 studCan be used for 24-hour circuits
    $35.50
  • Blue Sea Systems® - ST Blade Fuse Block
    Blue Sea Systems®ST Blade Fuse Block (5034)
    0
    # mpn4947148895
    ST Blade Fuse Block (5034) by Blue Sea Systems®. With 12 Circuits. Consolidates branch circuits and in-line fuses. This top-grade product is expertly made in compliance with stringent industry standards to offer a fusion of a...
    Positive distribution bus with #10-32 studCan be used for 24-hour circuits
    $46.43
  • Blue Sea Systems® - ST Blade Fuse Block with Cover
    Blue Sea Systems®ST Blade Fuse Block with Cover (5029)
    0
    # mpn4947148994
    ST Blade Fuse Block with Cover (5029) by Blue Sea Systems®. With 12 Circuits. Consolidates branch circuits and in-line fuses. This top-grade product is expertly made in compliance with stringent industry standards to offer a fusion of a...
    Positive distribution bus with #10-32 studCan be used for 24-hour circuits
    $49.22
  • Blue Sea Systems® - ST Blade Fuse Block with Cover
    Blue Sea Systems®ST Blade Fuse Block with Cover (5028)
    0
    # mpn4947148941
    ST Blade Fuse Block with Cover (5028) by Blue Sea Systems®. With 6 Circuits. Consolidates branch circuits and in-line fuses. This top-grade product is expertly made in compliance with stringent industry standards to offer a fusion of a...
    Positive distribution bus with #10-32 studCan be used for 24-hour circuits
    $38.20
  • Blue Sea Systems® - ST Blade Fuse Block with Cover
    Blue Sea Systems®ST Blade Fuse Block with Cover (5035)
    0
    # mpn4947148893
    ST Blade Fuse Block with Cover (5035) by Blue Sea Systems®. With 6 Independent Circuits. 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...
    Corrosion resistant, tin-plated copper fuse clips reduce heat and improve the efficiency of the electrical systemClear insulating cover with label recesses accepts Small Format Labels
    $38.20
  • Blue Sea Systems® - ST Blade Fuse Block with Negative Bus
    Blue Sea Systems®ST Blade Fuse Block with Negative Bus (5031)
    0
    # mpn4947148747
    ST Blade Fuse Block with Negative Bus (5031) by Blue Sea Systems®. With 12 Circuits. Consolidates branch circuits and in-line fuses. This top-grade product is expertly made in compliance with stringent industry standards to offer a...
    Positive distribution bus with #10-32 studCan be used for 24-hour circuits
    $51.93
  • Blue Sea Systems® - ST Blade Fuse Block with Negative Bus
    Blue Sea Systems®ST Blade Fuse Block with Negative Bus (5030)
    0
    # mpn4947148551
    ST Blade Fuse Block with Negative Bus (5030) by Blue Sea Systems®. With 6 Circuits. Consolidates branch circuits and in-line fuses. This top-grade product is expertly made in compliance with stringent industry standards to offer a...
    Positive distribution bus with #10-32 studCan be used for 24-hour circuits
    $40.93
  • Blue Sea Systems® - ST Blade Fuse Block with Negative Bus & Cover
    Blue Sea Systems®ST Blade Fuse Block with Negative Bus & Cover (5025)
    1
    # mpn4947148997
    ST Blade Fuse Block with Negative Bus & Cover (5025) by Blue Sea Systems®. With 6 Circuits. Consolidates branch circuits and in-line fuses. This top-grade product is expertly made in compliance with stringent industry standards to offer...
    Positive distribution bus with #10-32 studCan be used for 24-hour circuits
    $43.68
  • Blue Sea Systems® - ST Blade Fuse Block with Negative Bus & Cover
    Blue Sea Systems®ST Blade Fuse Block with Negative Bus & Cover (5026)
    0
    # mpn4947148746
    ST Blade Fuse Block with Negative Bus & Cover (5026) by Blue Sea Systems®. With 12 Circuits. Consolidates branch circuits and in-line fuses. This top-grade product is expertly made in compliance with stringent industry standards to...
    Positive distribution bus with #10-32 studCan be used for 24-hour circuits
    $55.01
  • Sea Dog® - 20 A 12 AWG AGC Waterproof PVC Inline Fuse Holder
    Sea Dog®20 A 12 AWG AGC Waterproof PVC Inline Fuse Holder (420554-1)
    0
    # mpn4479320780
    20 A 12 AWG AGC Waterproof PVC Inline Fuse Holder by Sea Dog®. AGC Inline Fuse Holders feature a snap tight connection for use in wet or semi-wet locations. Wire gauge from 12 AWG. Constructed of injection molded PVC. Designed using...
    WaterproofHigh quality at an affordable price
    $12.85
  • Blue Sea Systems® - 285-Series Circuit Breaker
    Blue Sea Systems®285-Series Circuit Breaker (7189)
    0
    # mpn4947149288
    285-Series Circuit Breaker (7189) by Blue Sea Systems®. Surface Mount. Amperage: 150A. 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...
    Drop in replacement for 185-Series Circuit BreakersVisible reset lever shows open condition
    $48.66
  • Blue Sea Systems® - 285-Series Circuit Breaker
    Blue Sea Systems®285-Series Circuit Breaker (7081)
    0
    # mpn4947149281
    285-Series Circuit Breaker (7081) by Blue Sea Systems®. Panel Mount. Amperage: 30A. 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...
    Drop in replacement for 185-Series Circuit BreakersVisible reset lever shows open condition
    $48.66
  • Blue Sea Systems® - 285-Series Circuit Breaker
    Blue Sea Systems®285-Series Circuit Breaker (7187)
    0
    # mpn4947149216
    285-Series Circuit Breaker (7187) by Blue Sea Systems®. Surface Mount. Amperage: 100A. 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...
    Drop in replacement for 185-Series Circuit BreakersVisible reset lever shows open condition
    $48.66
  • Blue Sea Systems® - 285-Series Circuit Breaker
    Blue Sea Systems®285-Series Circuit Breaker (7180)
    0
    # mpn4947149215
    285-Series Circuit Breaker (7180) by Blue Sea Systems®. Surface Mount. Amperage: 25A. 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...
    Drop in replacement for 185-Series Circuit BreakersVisible reset lever shows open condition
    $48.66
  • Blue Sea Systems® - 285-Series Circuit Breaker
    Blue Sea Systems®285-Series Circuit Breaker (7188)
    0
    # mpn4947149210
    285-Series Circuit Breaker (7188) by Blue Sea Systems®. Surface Mount. Amperage: 120A. 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...
    Drop in replacement for 185-Series Circuit BreakersVisible reset lever shows open condition
    $48.66
  • Blue Sea Systems® - 285-Series Circuit Breaker
    Blue Sea Systems®285-Series Circuit Breaker (7087)
    0
    # mpn4947149206
    285-Series Circuit Breaker (7087) by Blue Sea Systems®. Panel Mount. Amperage: 100A. 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...
    Drop in replacement for 185-Series Circuit BreakersVisible reset lever shows open condition
    $48.66




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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