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Electrical - Fuse Blocks & Fuses

Marine fuse blocks and fuses are essential components designed to protect your vessel's electrical systems from overloads, short circuits, and potential equipment damage. Engineered for demanding freshwater and saltwater environments, today's marine fuse solutions provide reliable circuit protection while helping organize and safely distribute power throughout your boat. From blade fuse blocks, inline fuse holders, ANL and MEGA fuse blocks, terminal fuses, and high-amperage protection solutions to replacement fuses and accessories, these products support a wide range of marine electrical applications including batteries, inverters, pumps, lighting, and onboard electronics. Quality fuse blocks help keep wiring organized while providing dependable protection for critical electrical components. Whether you're upgrading your electrical system, completing a new installation, or replacing worn components, the right fuse block and fuse combination improves safety, reliability, and performance on the water. Featuring premium products from trusted marine manufacturers, our Electrical – Fuse Blocks & Fuses collection delivers the protection serious boaters expect. Browse our selection today and let our knowledgeable team help you choose the ideal electrical protection solution for your vessel.

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  • Blue Sea 5186 175A Fuse Terminal [5186]
    Blue Sea Systems

    Blue Sea 5186 175A Fuse Terminal [5186]

    $23.86
    $32.28
    $23.86
    Terminal FuseColor: WhiteAmperage: 175A Interrupt Rating satisfies ABYC requirements for DC Main circuit protection on large battery banks Ignition protected-safe for installation aboard gasoline powered boats Clear window-visual indication of blown condition Must be used with terminal fuse block WARNING: This product can expose...
    $23.86
    $32.28
    $23.86
  • Blue Sea 5240 7.5A ATO/ATC Fuse [5240]
    Blue Sea Systems

    Blue Sea 5240 7.5A ATO/ATC Fuse [5240]

    $4.20
    $5.60
    $4.20
    5240ATO/ATC Fuse7.5A Fast-acting type fuse ideal for electronic devices Standard circuit protection device for automobiles and trucks Tin-plated connector blades for corrosion resistance Visible indication of blown condition Sold in packages of 2 WARNING: This product can expose you to chemicals including di(2-ethylhexyl)phthalate (dehp)...
    $4.20
    $5.60
    $4.20
  • Blue Sea 5239 5A ATO/ATC Fuse [5239]
    Blue Sea Systems

    Blue Sea 5239 5A ATO/ATC Fuse [5239]

    $4.20
    $5.60
    $4.20
    5239ATO/ATC Fuse5A Fast-acting type fuse ideal for electronic devices Standard circuit protection device for automobiles and trucks Tin-plated connector blades for corrosion resistance Visible indication of blown condition Sold in packages of 2 WARNING: This product can expose you to chemicals including di(2-ethylhexyl)phthalate (dehp)...
    $4.20
    $5.60
    $4.20
  • Blue Sea 5102 MEGA/AMG Fuse - 125AMP [5102]
    Blue Sea Systems

    Blue Sea 5102 MEGA/AMG Fuse - 125AMP [5102]

    $14.03
    $18.24
    $14.03
    5102 MEGA®/AMG® Fuse - 125AMP Features: Most economical fuse for 100-300 Ampere circuit protection For use with Blue Sea Systems' MEGA®/AMG® Fuse Block WARNING: This product can expose you to chemicals including di(2-ethylhexyl)phthalate (dehp) which is known to the State of California to cause cancer,...
    $14.03
    $18.24
    $14.03
  • BEP Pro Installer ANL Fuse Holder w/2 Additional Studs - 750A [778-ANL2S]BEP Pro Installer ANL Fuse Holder w/2 Additional Studs - 750A [778-ANL2S]
    BEP Marine

    BEP Pro Installer ANL Fuse Holder w/2 Additional Studs - 750A [778-ANL2S]

    $87.05
    $127.51
    $87.05
    ANL Fuse Holder with 2 Additional Studs, 750AProviding high-capacity fusing, fast response and very high interrupt ratings (ANL up to 6,000 Amps, Class-T up to 20,000 Amps), these fuse holders are ideal for protecting today's demanding onboard power electronics technology including inverters and battery...
    $87.05
    $127.51
    $87.05
  • Victron MEGA Fuse 80A/80V (Package of 5 Pieces) [CIP138080020]
    Victron Energy

    Victron MEGA Fuse 80A/80V (Package of 5 Pieces) [CIP138080020]

    $65.65
    $77.23
    $65.65
    MEGA Fuse 80A/80V (Package of 5 Pieces)Victron Energy supplies a range of fuse holders and fuses to suit a wide range of installations, and the MEGA fuses are frequently used in Victron Energy DC distribution systems. This particular pack of ceramic Victron MEGA fuses...
    $65.65
    $77.23
    $65.65
  • Blue Sea 5015 ST Glass Fuse Block w/Negative Bus [5015]
    Blue Sea Systems

    Blue Sea 5015 ST Glass Fuse Block w/Negative Bus [5015]

    $68.79
    $92.67
    $68.79
    5015 ST Glass Fuse Block with Negative Bus Features: Clear insulating cover with label recesses for accept Large Format Labels Cover insulates all conductive parts, satisfying ABYC/USCG requirements and storing spare fuses Tin-plated copper buses and Phosphor Bronze fuse clips give 30 Ampere rating per...
    $68.79
    $92.67
    $68.79
  • Victron MEGA-Fuse 300A/80V Ceramic (Package of 5 Pieces) [CIP138300020]
    Victron Energy

    Victron MEGA-Fuse 300A/80V Ceramic (Package of 5 Pieces) [CIP138300020]

    $65.65
    $77.23
    $65.65
    MEGA-Fuse 300A/80V Ceramic (Package of 5 Pieces)Victron Energy's MEGA fuses are frequently used in Victron Energy DC distribution systems. This particular pack of Victron MEGA fuses contains five 300 amp fuses.Specifications: Max Current Rating: 300 amps Max Voltage Rating: 80 volts Approximate Voltage Drop:...
    $65.65
    $77.23
    $65.65
  • Egis RT Fuse Block 6 Position w/Ground LED Indication [8025]Egis RT Fuse Block 6 Position w/Ground LED Indication [8025]
    Egis Mobile Electric

    Egis RT Fuse Block 6 Position w/Ground LED Indication [8025]

    $37.90
    $54.63
    $37.90
    RT Fuse Block 6 Position with Ground & LED IndicationThis 6-position fuse block has a modular design that can produce seven (7) unique configurations from Egis 8028 & 8030 and reduce part numbers to stock for all build requirements. Also, this fuse block has...
    $37.90
    $54.63
    $37.90
  • Blue Sea 5037 ST Blade Fuse Block w/o Cover - 6 Circuit Independent w/o Negative Bus [5037]
    Blue Sea Systems

    Blue Sea 5037 ST Blade Fuse Block w/o Cover - 6 Circuit Independent w/o Negative Bus [5037]

    $58.96
    $82.84
    $58.96
    ST Blade Fuse Block w/o Cover - 6 Circuit w/o Negative BusPart# 5037 Can be used for 24-hour circuits Fuse blocks with covers include 20 write-on circuit labels Tin-plated copper buses and fuse clips Accepts ring or spade type terminals Accepts ATO® and ATC®...
    $58.96
    $82.84
    $58.96
  • Samlex Class T Replacement Fuse - 200 Amp [CLASS T-200]
    Samlex America

    Samlex Class T Replacement Fuse - 200 Amp [CLASS T-200]

    $58.84
    $73.58
    $58.84
    Class T Replacement Fuse - 200 Amp200-amp replacement fuse for Samlex CFB2-400 fuse block assembly.Features:Individual 200-amp replacement fuseApplications:Inverter AccessoriesSpecifications: Amps: 200 amps  Fuse: 200 A  Weight: 0.2 (lbs.) Weight: 0.09 (kg) Dimensions: 3 x 1.25 x 1.25 (in.) Dimensions: 7.6 x 3.2 x 3.2...
    $58.84
    $73.58
    $58.84
  • Blue Sea 5190 300A Fuse Terminal [5190]
    Blue Sea Systems

    Blue Sea 5190 300A Fuse Terminal [5190]

    $23.86
    $32.28
    $23.86
    Terminal FuseColor: GrayAmperage: 300A Interrupt Rating satisfies ABYC requirements for DC Main circuit protection on large battery banks Ignition protected-safe for installation aboard gasoline powered boats Clear window-visual indication of blown condition Must be used with terminal fuse block WARNING: This product can expose...
    $23.86
    $32.28
    $23.86
  • Blue Sea 5241 10A ATO/ATC Fuse [5241]
    Blue Sea Systems

    Blue Sea 5241 10A ATO/ATC Fuse [5241]

    $4.20
    $5.60
    $4.20
    5241ATO/ATC Fuse10A Fast-acting type fuse ideal for electronic devices Standard circuit protection device for automobiles and trucks Tin-plated connector blades for corrosion resistance Visible indication of blown condition Sold in packages of 2 WARNING: This product can expose you to chemicals including di(2-ethylhexyl)phthalate (dehp)...
    $4.20
    $5.60
    $4.20
  • T-Spec VANL1 ANL Fuse Holder - 1/0 to 4 AWG [VANL1]
    T-Spec

    T-Spec VANL1 ANL Fuse Holder - 1/0 to 4 AWG [VANL1]

    $46.33
    $51.94
    $46.33
    VANL1 ANL Fuse Holder - 1/0 to 4 AWGIt can be tough to find a good place for your system's fuse holder in a crowded engine compartment.  T-SPEC helps you out with their extremely compact ANL fuse holder for 1/0-gauge wire that can fit...
    $46.33
    $51.94
    $46.33
  • T-Spec V8 Series 300 AMP ANL Fuse - 2 Pack [V8-ANL300]
    T-Spec

    T-Spec V8 Series 300 AMP ANL Fuse - 2 Pack [V8-ANL300]

    $12.62
    $14.03
    $12.62
    V8 Series 300 AMP ANL Fuse - 2 PackT-Spec high-current fuse protects your equipment and you in the event of an electrical short circuit.  Each of these heavy-duty fuses features a little window through which you can visually check the fuse's status.Features: Nickel plated...
    $12.62
    $14.03
    $12.62
  • Blue Sea 5030 ST Blade Fuse Block w/o Cover - 6 Circuit w/Negative Bus [5030]
    Blue Sea Systems

    Blue Sea 5030 ST Blade Fuse Block w/o Cover - 6 Circuit w/Negative Bus [5030]

    $67.39
    $95.48
    $67.39
    5030ST Blade Fuse Block w/out Cover - 6 Circuit w/ Negative Bus Tin-plated copper buses and fuse clips give 30 Amperes rating per circuit Accepts ATO and ATC fast acting blade fuses WARNING: This product can expose you to chemicals including di(2-ethylhexyl)phthalate (dehp) which...
    $67.39
    $95.48
    $67.39
  • Blue Sea 5176 40A Fuse Terminal [5176]
    Blue Sea Systems

    Blue Sea 5176 40A Fuse Terminal [5176]

    $22.45
    $29.48
    $22.45
    Terminal FuseColor: Light BlueAmperage: 40A Interrupt Rating satisfies ABYC requirements for DC Main circuit protection on large battery banks Ignition protected - safe for installation aboard gasoline powered boats Clear window - visual indication of blown condition Must be used with terminal fuse block...
    $22.45
    $29.48
    $22.45
  • T-Spec VMANL Mini-ANL Fuse Holder - 4 to 8 AWG [VMANL]
    T-Spec

    T-Spec VMANL Mini-ANL Fuse Holder - 4 to 8 AWG [VMANL]

    $21.05
    $23.86
    $21.05
    VMANL Mini-ANL Fuse Holder - 4 to 8 AWGT-SPEC'S VMANL fuse holder ensures excellent current flow by using sturdy, lock-down fasteners to secure your power cable, so you don't have to worry about it getting loose over time.  Combine this with solid brass construction...
    $21.05
    $23.86
    $21.05
  • T-Spec VANL ANL Fuse Holder - 1/0 to 4 AWG [VANL]
    T-Spec

    T-Spec VANL ANL Fuse Holder - 1/0 to 4 AWG [VANL]

    $44.92
    $50.54
    $44.92
    VANL ANL Fuse Holder - 1/0 to 4 AWGIt can be tough to find a good place for your system's fuse holder in a crowded engine compartment.  T-SPEC helps you out with their extremely compact Series rotating ANL fuse holder for 1/0-gauge wire that...
    $44.92
    $50.54
    $44.92
  • Samlex 300A Replacement Terminal Fuse [MRBF-300]
    Samlex America

    Samlex 300A Replacement Terminal Fuse [MRBF-300]

    $26.40
    $33.00
    $26.40
    300A Replacement Terminal Fuse Individual Fuse 200A WARNING: This product can expose you to chemicals which are known to the State of California to cause cancer, birth defects or other reproductive harm. For more information go to P65Warnings.ca.gov. Specifications: Amperage: 300a Fuse Type: Terminal...
    $26.40
    $33.00
    $26.40