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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- Featured
- Most relevant
- Best selling
- Alphabetically, A-Z
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Vendor:Egis Mobile Electric
Egis Terminal Block - 30 Amp - 6 Circuit [2265-06]
- $19.83
$24.81- $19.83
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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...- $19.83
$24.81- $19.83
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Vendor:Egis Mobile Electric
Egis Terminal Block - 65 Amp - 10 Circuit [2265-10]
- $25.50
$34.02- $25.50
- Unit price
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Terminal Block - 65 Amp - 10 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...- $25.50
$34.02- $25.50
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Vendor:Blue Sea Systems
Blue Sea 5246 40A ATO/ATC Fuse [5246]
- $4.24
$5.66- $4.24
- Unit price
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5246ATO/ATC Fuse40A 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)...- $4.24
$5.66- $4.24
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Vendor:Blue Sea Systems
Blue Sea 8293 Contura Actuator Removal Tool [8293]
- $7.07
$9.91- $7.07
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8293 Contura Actuator Removal Tool Mounts on any Blue Sea Systems Contura Switch Construced of thermal plasitic polycarbonate with a hard nylon surface overlay For each embedded LED there is a corresponding number of lenses WARNING: This product can expose you to chemicals including...- $7.07
$9.91- $7.07
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Vendor:Blue Sea Systems
Blue Sea 5112 110A Class T Fuse [5112]
- $86.46
$117.65- $86.46
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5112 110A Class T Fuse Features: Extremely fast short-circuit response 20,000 Ampere Interrupt Capacity (AIC) UL listed to standard 248-15 DC Tested to UL standard 198L WARNING: This product can expose you to chemicals including di(2-ethylhexyl)phthalate (dehp) which is known to the State of California...- $86.46
$117.65- $86.46
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Vendor:Egis Mobile Electric
Egis MRBF Terminal Fuse - 250 Amp [3603-250]
- $11.33
$28.35- $11.33
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MRBF Terminal Fuse - 250 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...- $11.33
$28.35- $11.33
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Vendor:Egis Mobile Electric
Egis MRBF Terminal Fuse - 150 Amp [3603-150]
- $11.33
$28.35- $11.33
- Unit price
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MRBF Terminal Fuse - 150 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...- $11.33
$28.35- $11.33
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Vendor:Blue Sea Systems
Blue Sea 5031 ST Blade Fuse Block w/o Cover - 12 Circuit w/Negative Bus [5031]
- $86.46
$121.90- $86.46
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5031ST Blade Fuse Block w/out Cover - 12 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...- $86.46
$121.90- $86.46
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Vendor:Blue Sea Systems
Blue Sea 5046 ST Blade Compact Fuse Blocks - 8 Circuits w/Cover [5046]
- $75.12
$104.89- $75.12
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ST Blade Compact Fuse Blocks - 8 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...- $75.12
$104.89- $75.12
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Vendor:Blue Sea Systems
Blue Sea 5289 AGC Fuse Kit - 41-Piece [5289]
- $42.51
$56.69- $42.51
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5289 AGC Fuse Kit - 41-PieceIncludes 40 AGC fuses and a Heavy Duty In-Line Fuse Holder.Specifications: Amperage: 1A, 10A, 15A, 2A, 3A, 30A, 5A, 7.5A Maximum Voltage: 32V DC Weight: 0.09lb (0.04kg) Specifications: Amperage: Assorted Fuse Type: AGC/MDL Box Dimensions: 1"H x 5"W x...- $42.51
$56.69- $42.51
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Vendor:Blue Sea Systems
Blue Sea 5006100 MAXI Fuse Block - 30-80A [5006100]
- $46.77
$62.36- $46.77
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MAXI Fuse Block - 30-80AIgnition Protected Replaces Part Number 5006 MAXI Range 30-80A Accepts wire 18-4 AWG Versatile wiring orientations Label Recess Specifications: Maximum Amperage: 80A Maximum Voltage: 32V DC Mounting: #10 Screws Wire Size:18-4 AWG WARNING: This product can expose you to chemicals...- $46.77
$62.36- $46.77
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Vendor:Blue Sea Systems
Blue Sea ATO/ATC Fuse Pack - 3 Amp - 25-Pack [5237100]
- $26.92
$35.43- $26.92
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ATO/ATC Fuse Pack - 3 Amp - 25-PackFeatures: Fast-acting type fuses ideal for electronic devices Standard circuit protection device for automobiles and trucks Tin-plated connector blades for corrosion resistance Specifications: Amperage: 3 Amp Maximum Voltage: 32V DC Interrupt Capacity: 1000A WARNING: This product can...- $26.92
$35.43- $26.92
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Vendor:Blue Sea Systems
Blue Sea 5297 easyID ATC Fuse - 25 Amp [5297]
- $8.49
$11.33- $8.49
- Unit price
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easyID Fuse 25 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...- $8.49
$11.33- $8.49
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Vendor:Blue Sea Systems
Blue Sea 5299 easyID ATC Fuse - 40 Amp [5299]
- $8.49
$11.33- $8.49
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easyID Fuse 40 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...- $8.49
$11.33- $8.49
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Vendor:Blue Sea Systems
Blue Sea 5063 Heavy Duty Inline Fuse Holder AGC/MDL [5063]
- $8.49
$11.33- $8.49
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Heavy Duty In-Line Fuse Holder Accepts 12-18 AWG wire 30A Maximum fuse amperage Fuse sold seperatelyWARNING: This product can expose you to chemicals including di(2-ethylhexyl)phthalate (dehp) which is known to the State of California to cause cancer, birth defects or other reproductive harm. For...- $8.49
$11.33- $8.49
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Vendor:Victron Energy
Victron MIDI-Fuse 40A/58V-M6 (Package of 5) [CIP134040020]
- $21.69
$25.52- $21.69
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MIDI-Fuse 40A/58V-M6 (Package of 5)Victron Energy's MIDI fuses are essentially a smaller version of the MEGA fuses and are known to have low voltage drop and cold resistance. This particular pack of Victron MIDI fuses contains five 100-amp fuses.Specifications: Max Current Rating: 40 amps...- $21.69
$25.52- $21.69
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Vendor:Blue Sea Systems
Blue Sea 5256 MIDI/AMI Fuse 100 Amp - Pair [5256]
- $11.33
$14.16- $11.33
- Unit price
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Fuse MIDI/AMI 100A - PairFeatures: Compact fuse with 100A amperage Tin-plated copped for corrosion resistance Clear cover offers visible indication of blown fuses Color-coded for easy amperage identification Ignition protected to SAE J1171 when used with Blue Sea Systems SafetyHub family of products WARNING:...- $11.33
$14.16- $11.33
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Vendor:Blue Sea Systems
Blue Sea 5189 250A Fuse Terminal [5189]
- $24.09
$32.59- $24.09
- Unit price
- / per
Terminal FuseColor: PinkAmperage: 250A 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...- $24.09
$32.59- $24.09
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Vendor:Blue Sea Systems
Blue Sea 5035 ST Blade Fuse Block w/Cover - 6 Circuit Independent w/o Negative Bus [5035]
- $52.44
$73.70- $52.44
- Unit price
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ST Blade Fuse Block With Cover - 6 Circuit without Negative BusPart# 5035 Can be used for 24-hour circuits Cover satisfies ABYC/USCG requirements for insulation, incorporates an easy to open push button latch providing easy access to fuses, storage for two spare fuses, and...- $52.44
$73.70- $52.44
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Vendor:Blue Sea Systems
Blue Sea 5191 Terminal Fuse Block 30-300AMP [5191]
- $39.68
$53.86- $39.68
- Unit price
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Terminal Fuse Black New isolated stud design uses standard 5/16" hardware and permits stacking of terminals Compact, high-amp fuse-Appropriate for DC Main, inverter, windlass, and bow thruster circuit protection Provides high current protection in tight space constraints Weatherproof-suitable for small open-cockpit boats and other...- $39.68
$53.86- $39.68
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