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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Sort by:
- Featured
- Most relevant
- Best selling
- Alphabetically, A-Z
- Alphabetically, Z-A
- Price, low to high
- Price, high to low
- Date, old to new
- Date, new to old
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Vendor:Blue Sea Systems
Blue Sea 7720 MIDI/AMI Safety Fuse Block [7720]
- $54.22
$72.78- $54.22
- Unit price
- / per
MIDI or AMI Safety Fuse Block Ignition protected for installation aboard gasoline or diesel powered boats Sealed cover protects fuses from the harsh marine environment Insulating cover satisfies ABYC/USCG insulation requirements Cover breakouts allow wire access in any direction 200A maximum with 2/0 cable...- $54.22
$72.78- $54.22
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Vendor:Blue Sea Systems
Blue Sea 5292 easyID ATC Fuse - 5 Amp [5292]
- $8.55
$11.40- $8.55
- Unit price
- / per
easyID Fuse 5 AmpeasyID illuminated ATC® blade fuses use Light Emitting Diode (LED) technology to show that a fuse has blown, making them easy to spot in fuse panels tucked up under dark dashboards. Replaces non illuminating ATO® or ATC® fuses Fast acting Two...- $8.55
$11.40- $8.55
- Unit price
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Vendor:Blue Sea Systems
Blue Sea 5294 easyID ATC Fuse - 10 Amp [5294]
- $8.55
$11.40- $8.55
- Unit price
- / per
easyID Fuse 10 AmpeasyID illuminated ATC® blade fuses use Light Emitting Diode (LED) technology to show that a fuse has blown, making them easy to spot in fuse panels tucked up under dark dashboards. Replaces non illuminating ATO® or ATC® fuses Fast acting Two...- $8.55
$11.40- $8.55
- Unit price
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Vendor:Blue Sea Systems
Blue Sea 5183 100A Fuse Terminal [5183]
- $24.25
$32.81- $24.25
- Unit price
- / per
Terminal FuseColor: YellowAmperage: 100A 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...- $24.25
$32.81- $24.25
- Unit price
- / per
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Vendor:Blue Sea Systems
Blue Sea 5293 easyID ATC Fuse - 7.5 Amp [5293]
- $8.55
$11.40- $8.55
- Unit price
- / per
easyID Fuse 7.5 AmpeasyID illuminated ATC® blade fuses use Light Emitting Diode (LED) technology to show that a fuse has blown, making them easy to spot in fuse panels tucked up under dark dashboards. Replaces non illuminating ATO® or ATC® fuses Fast acting Two...- $8.55
$11.40- $8.55
- Unit price
- / per
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Vendor:Bluewater
Bluewater 12 Position Fuse Block ATC w/Yellow Slide [3200-3003-012]
- $57.24
$0.00- $57.24
- Unit price
- / per
12 Position Fuse Block ATC with Yellow SlideThis 6 and 12-position marine fuse block offers a clean, organized solution for managing low-voltage electrical circuits in boats, RVs, and off-grid systems. Designed to centralize and protect up to 12 independent circuits, it provides dependable circuit...- $57.24
$0.00- $57.24
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Vendor:Bluewater
Bluewater 6 Position Fuse Block ATC w/Yellow Slide [3200-3003-006]
- $39.25
$0.00- $39.25
- Unit price
- / per
6 Position Fuse Block ATC with Yellow SlideThis 6 and 12-position marine fuse block offers a clean, organized solution for managing low-voltage electrical circuits in boats, RVs, and off-grid systems. Designed to centralize and protect up to 12 independent circuits, it provides dependable circuit...- $39.25
$0.00- $39.25
- Unit price
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Vendor:Egis Mobile Electric
Egis MRBF Terminal Fuse - 75A [3603-075]
- $11.40
$28.55- $11.40
- Unit price
- / per
MRBF Terminal Fuse - 75AFeatures: Transparent Easy Visual of Fuse Status Ignition Protected SAE/J1171-ISO8846 High Interrupt Rating Satisfies ABYC Requirements For DC Main Circuit Protection On Large Battery Banks Color Coded For Easy ID Of Amperage Rating Specifications: Amperage: 75 Fuse Type: Terminal Type:...- $11.40
$28.55- $11.40
- Unit price
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Vendor:Blue Sea Systems
Blue Sea 5033 ST Blade Fuse Block w/out Cover - 6 Circuit w/out Negative Bus [5033]
- $58.51
$82.77- $58.51
- Unit price
- / per
5033ST Blade Fuse Block w/out Cover - 12 Circuit w/out 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...- $58.51
$82.77- $58.51
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Vendor:Blue Sea Systems
Blue Sea 5124 80A ANL Fuse [5124]
- $35.67
$47.09- $35.67
- Unit price
- / per
5124ANL Fuse80A Ignition protected (conforming to SAE J1171)- safe for installation aboard gasoline powered boats Silver-plated connector blades for corrosion resistance Visible indication of blown condition 6,000 Ampere Interrupt Capacity (AIC) satisfies ABYC requirements for main DC circuit protection on large battery banks For...- $35.67
$47.09- $35.67
- Unit price
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Vendor:Blue Sea Systems
Blue Sea 5123 60A ANL Fuse [5123]
- $45.66
$61.36- $45.66
- Unit price
- / per
5123ANL Fuse60A Ignition protected (conforming to SAE J1171)- safe for installation aboard gasoline powered boats Silver-plated connector blades for corrosion resistance Visible indication of blown condition 6,000 Ampere Interrupt Capacity (AIC) satisfies ABYC requirements for main DC circuit protection on large battery banks For...- $45.66
$61.36- $45.66
- Unit price
- / per
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Vendor:Egis Mobile Electric
Egis Terminal Block - 30 Amp - 6 Circuit [2230-06]
- $11.40
$14.27- $11.40
- Unit price
- / per
Terminal Block - 30 Amp - 6 Circuit Marine-grade materials ensure long-lasting reliability in harsh environment applications Screw terminal connection pairs provide one input and one output screw connected to separate copper alloy bus bars for each matching connecting pair 125 Volt AC or...- $11.40
$14.27- $11.40
- Unit price
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Vendor:Blue Sea Systems
Blue Sea 5045 ST Blade Compact Fuse Blocks - 4 Circuits w/Cover [5045]
- $38.52
$54.22- $38.52
- Unit price
- / per
ST Blade Compact Fuse Blocks - 4 Circuits w/CoverProvides surface mount circuit protection for ATO®/ATC® Fuses in a compact footprint. The single side design allows wire entry from one side to maximize space. Compact common source fuse block Accepts ATO® and ATC® fast acting...- $38.52
$54.22- $38.52
- Unit price
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Vendor:Egis Mobile Electric
Egis MRBF Dual Output Terminal Block - 30-300 Amp [3602]
- $24.25
$30.55- $24.25
- Unit price
- / per
MRBF Dual Output Terminal Block - 30-300 AmpFeatures: Protects Electrical Circuits from short circuit events and over-current loads, preventing wire insulation overheating and subsequent destruction. Ignition Protected When Used With Egis Mobile Electric MRBF Fuses safe for installation in closed compartments with potential explosive...- $24.25
$30.55- $24.25
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Vendor:Egis Mobile Electric
Egis MRBF Terminal Fuse - 100 Amp [3603-100]
- $11.40
$28.55- $11.40
- Unit price
- / per
MRBF Terminal Fuse - 100 Amp Transparent easy visual of fuse status Ignition-protected SAE/J1171-ISO8846 High interrupt rating satisfies ABYC requirements for DC main circuit protection on larger battery banks Color-coded for easy ID of amperage rating Features: Protects Electrical Circuits from short circuit events...- $11.40
$28.55- $11.40
- Unit price
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Vendor:Egis Mobile Electric
Egis MRBF Terminal Fuse - 80 Amp [3603-080]
- $11.40
$28.55- $11.40
- Unit price
- / per
MRBF Terminal Fuse - 80 Amp Transparent easy visual of fuse status Ignition-protected SAE/J1171-ISO8846 High interrupt rating satisfies ABYC requirements for DC main circuit protection on larger battery banks Color-coded for easy ID of amperage rating Features: Protects Electrical Circuits from short circuit events...- $11.40
$28.55- $11.40
- Unit price
- / per
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Vendor:Victron Energy
Victron MEGA Fuse 200A/80V (Package of 5 Pieces) [CIP138200020]
- $66.73
$78.50- $66.73
- Unit price
- / per
MEGA Fuse 200A/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...- $66.73
$78.50- $66.73
- Unit price
- / per
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Vendor:Egis Mobile Electric
Egis Class T Fuse Block 110-200A Sealed [3911]
- $58.51
$77.65- $58.51
- Unit price
- / per
Class T Fuse Block 110-200A SealedFeatures: Ignition Protected to support installation in potentially hazardous gasous environments. Height is compatible with other Flex System Components. Includes Protective Transparent Cover with break-away tabs for easy inspection. Specifications: Fuse Type: Class T Type: Fuse Blocks Box Dimensions: 3"H...- $58.51
$77.65- $58.51
- Unit price
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Vendor:Blue Sea Systems
Blue Sea 5024 ST-Blade Battery Terminal Mount Fuse Block Kit [5024]
- $55.65
$78.49- $55.65
- Unit price
- / per
ST-Blade Battery Terminal Mount Fuse Block KitFeatures: Easy to install 4 ATO/ATC fused circuits Mounts on the battery terminal stud Screw terminals for securing wires Eight nylon ring terminals included Insulating cover included Kit Includes: 1 - 5023 ST-Blade Battery Terminal Mount Fuse Block...- $55.65
$78.49- $55.65
- Unit price
- / per
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Vendor:Blue Sea Systems
Blue Sea 5181 80A Fuse Terminal [5181]
- $24.25
$32.81- $24.25
- Unit price
- / per
Terminal FuseColor: LimeAmperage: 80A 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...- $24.25
$32.81- $24.25
- Unit price
- / per


![Blue Sea 7720 MIDI/AMI Safety Fuse Block [7720]](http://www.dbmarinesupplies.com/cdn/shop/files/40599XL_533x.jpg?v=1682656468)
![Blue Sea 5124 80A ANL Fuse [5124]](http://www.dbmarinesupplies.com/cdn/shop/files/20438XL_533x.jpg?v=1682637200)
![Blue Sea 5123 60A ANL Fuse [5123]](http://www.dbmarinesupplies.com/cdn/shop/files/20437XL_533x.jpg?v=1682637190)
![Blue Sea 5024 ST-Blade Battery Terminal Mount Fuse Block Kit [5024]](http://www.dbmarinesupplies.com/cdn/shop/files/54776XL_533x.jpg?v=1682680774)