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:Blue Sea Systems
Blue Sea 7720 MIDI/AMI Safety Fuse Block [7720]
- $53.88
$72.31- $53.88
- 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...- $53.88
$72.31- $53.88
- Unit price
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Vendor:Blue Sea Systems
Blue Sea 5183 100A Fuse Terminal [5183]
- $24.10
$32.60- $24.10
- 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...- $24.10
$32.60- $24.10
- Unit price
- / per
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Vendor:Egis Mobile Electric
Egis MRBF Terminal Fuse - 100 Amp [3603-100]
- $11.33
$28.36- $11.33
- 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...- $11.33
$28.36- $11.33
- Unit price
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Vendor:Egis Mobile Electric
Egis Compact Med Amp AMI/MIDI Fuse Block [3914]
- $41.11
$53.89- $41.11
- Unit price
- / per
Compact Med Amp AMI/MIDI Fuse BlockFeatures: Splash Resistant Protects against water splashes (IP54) when mounted properly. Separate Stud Connections for Cable Mounting allow heavier gauge cables and their terminals to feed in and out of the fuse, which would otherwise land on the fuse...- $41.11
$53.89- $41.11
- Unit price
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Vendor:Blue Sea Systems
Blue Sea 5292 easyID ATC Fuse - 5 Amp [5292]
- $8.49
$11.33- $8.49
- 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...- $8.49
$11.33- $8.49
- Unit price
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Vendor:Blue Sea Systems
Blue Sea 5294 easyID ATC Fuse - 10 Amp [5294]
- $8.49
$11.33- $8.49
- 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...- $8.49
$11.33- $8.49
- Unit price
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Vendor:Blue Sea Systems
Blue Sea 5293 easyID ATC Fuse - 7.5 Amp [5293]
- $8.49
$11.33- $8.49
- 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...- $8.49
$11.33- $8.49
- Unit price
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Vendor:Blue Sea Systems
Blue Sea 5250 MIDI/AMI Fuse 30 Amp - Pair [5250]
- $11.33
$14.17- $11.33
- Unit price
- / per
Fuse MIDI/AMI 30A - PairFeatures: Compact fuse with 30A 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
$14.17- $11.33
- Unit price
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Vendor:Victron Energy
Victron MIDI-Fuse 100A/32V (Package of 5) [CIP132100010]
- $13.26
$15.60- $13.26
- Unit price
- / per
MIDI-Fuse 100A/32V (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: 100 amps...- $13.26
$15.60- $13.26
- Unit price
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Vendor:Blue Sea Systems
Blue Sea 5107 MEGA/AMG Fuse - 250AMP [5107]
- $14.17
$18.42- $14.17
- Unit price
- / per
5107 MEGA®/AMG® Fuse - 250AMPFeatures: 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,...- $14.17
$18.42- $14.17
- Unit price
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Vendor:Egis Mobile Electric
Egis MRBF Terminal Fuse - 40A [3603-040]
- $11.33
$28.36- $11.33
- Unit price
- / per
MRBF Terminal Fuse - 40AFeatures: 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: 40 Fuse Type: Terminal Type:...- $11.33
$28.36- $11.33
- Unit price
- / per
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Vendor:Sea-Dog
Sea-Dog ATO Style Mixed Fuse Kit [445190-1]
- $19.84
$26.31- $19.84
- Unit price
- / per
ATO Style Mixed Fuse KitTin Plated Zinc Alloy/Injection Molded Nylon.ATO Style Mixed Fuse Kit includes five each of 3A, 5A, 7.5A, 10A, 15A, and 20A fuses. Constructed of injection molded nylon with tin plated connector blades for superior conductivity and improved corrosion resistance. WARNING:...- $19.84
$26.31- $19.84
- Unit price
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Vendor:Blue Sea Systems
Blue Sea 5177 50A Fuse Terminal [5177]
- $24.10
$32.60- $24.10
- Unit price
- / per
Terminal FuseColor: RedAmperage: 50A 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...- $24.10
$32.60- $24.10
- Unit price
- / per
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Vendor:Egis Mobile Electric
Egis RT Fuse Block - 4 Circuit w/Cover [8045]
- $26.93
$58.15- $26.93
- Unit price
- / per
RT Fuse Block - 4 Circuit with CoverThe Egis RT Fuse Block is designed for optimal organization and protection of your electrical circuits. This 4-circuit fuse block comes with a durable cover, ensuring safety and reliability for your electrical systems. Ideal for automotive, marine,...- $26.93
$58.15- $26.93
- Unit price
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Vendor:Sea-Dog
Sea-Dog ATM Mini Blade Style Mixed Fuse Kit [445090-1]
- $24.10
$41.06- $24.10
- Unit price
- / per
ATM Mini Blade Style Mixed Fuse KitTin Plated Zinc Alloy/Injection Molded Nylon.ATM Mini Blade Style Mixed Fuse Kit includes five each of 3A, 5A, 7.5A, 10A, 15A, and 20A fuses. Constructed of injection molded nylon with tin plated connector blades for superior conductivity and...- $24.10
$41.06- $24.10
- Unit price
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Vendor:Blue Sea Systems
Blue Sea 5114 150A Class T Fuse [5114]
- $86.50
$117.70- $86.50
- Unit price
- / per
5114 150A 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...- $86.50
$117.70- $86.50
- Unit price
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Vendor:Blue Sea Systems
Blue Sea 5139 40AMP MAXI Fuse [5139]
- $8.49
$11.33- $8.49
- Unit price
- / per
5139 40AMP MAXI FuseFeatures: Economical Tin-plated connector blades for corrosion resistance Visible indication of blown condition 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, birth defects or other reproductive harm....- $8.49
$11.33- $8.49
- Unit price
- / per
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Vendor:Sea-Dog
Sea-Dog ATM Mini Style Inline LED Fuse Holder - Up to 30A [445097-1]
- $9.91
$14.11- $9.91
- Unit price
- / per
ATM Mini Style Inline LED Fuse Holder - Up to 30AThis Sea-Dog LED inline mini fuse holder is meant for ATM mini-style fuses.Features: LED indicator that lights up when the fuse is blown Designed to accept ATM mini automotive-style spade terminal fuses For use...- $9.91
$14.11- $9.91
- Unit price
- / per
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Vendor:Victron Energy
Victron MIDI-Fuse 30A/58V-M6 (Package of 5) [CIP134030020]
- $21.70
$25.53- $21.70
- Unit price
- / per
MIDI-Fuse 30A/58V-M6 (Package of 5)Victron Energy's MIDI fuses are essentially a smaller version of the MEGA fuses, which are known for their low voltage drop and cold resistance. This particular pack of Victron MIDI fuses contains five 100-amp fuses.Specifications: Max Current Rating: 30 amps...- $21.70
$25.53- $21.70
- Unit price
- / per
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Vendor:T-Spec
T-Spec V8 Series 100 AMP ANL Fuse - 2 Pack [V8-ANL100]
- $11.33
$12.75- $11.33
- Unit price
- / per
V8 Series 100 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...- $11.33
$12.75- $11.33
- Unit price
- / per


![Blue Sea 7720 MIDI/AMI Safety Fuse Block [7720]](http://www.dbmarinesupplies.com/cdn/shop/files/40599XL_533x.jpg?v=1682656468)
![Egis Compact Med Amp AMI/MIDI Fuse Block [3914]](http://www.dbmarinesupplies.com/cdn/shop/files/114505XL_533x.jpg?v=1781678213)
![Egis RT Fuse Block - 4 Circuit w/Cover [8045]](http://www.dbmarinesupplies.com/cdn/shop/files/107440XL_533x.jpg?v=1739493773)
![Sea-Dog ATM Mini Style Inline LED Fuse Holder - Up to 30A [445097-1]](http://www.dbmarinesupplies.com/cdn/shop/files/102721XL_533x.jpg?v=1705423821)