Fuse Blocks

Fuse blocks are essential components for managing electrical circuits in various applications, from automotive to industrial settings. These devices provide a safe and organized way to distribute power and protect circuits from overloads. Whether you're looking to upgrade your vehicle's electrical system or enhance the functionality of your machinery, fuse blocks offer a reliable solution. Explore our selection of fuse blocks to find the right fit for your needs, ensuring efficient power distribution and safeguarding your equipment from electrical faults.

Some products may be subject to Environmental Handling Fees (EHF) depending on your province. Learn more about EHFs .
  1. BLUE SEA SYSTEM Sea 5026 St Blade Fuse Block W/ Cover - 12 Circuit W/ Negative Bus

    About this product

    A blue 12-circuit fuse block with cover and negative bus for reliable automotive electrical connections.

    A blue 12-circuit fuse block with cover and negative bus for reliable automotive electrical connections.

    $87.47 Your price for this item is $87.47
  2. SEA-DOG Blade Style Led Indicator Fuse Block W/negative Bus Bar - 12 Circuit

    About this product

    A 12-circuit fuse block with LED indicator and negative bus bar, perfect for marine applications.

    A 12-circuit fuse block with LED indicator and negative bus bar, perfect for marine applications.

    $82.38 Your price for this item is $82.38
  3. BLUE SEA SYSTEM Sea 5034 St Blade Fuse Block W/out Cover - 12 Circuit W/out Negative Bus

    About this product

    A blue 12-circuit fuse block designed for secure and organized automotive electrical connections.

    A blue 12-circuit fuse block designed for secure and organized automotive electrical connections.

    $89.66 Your price for this item is $89.66
  4. BLUE SEA SYSTEMS Sea 5006100 Maxi Fuse Block - 30-80A

    About this product

    A blue ignition-protected fuse block supporting 30-80A and 18-4 AWG wiring for versatile installations.

    A blue ignition-protected fuse block supporting 30-80A and 18-4 AWG wiring for versatile installations.

    $60.13 Your price for this item is $60.13
  5. BLUE SEA SYSTEM Sea 5001 Fuse Block Mega 100-300A

    About this product

    A blue fuse block designed for secure MEGA fuses rated between 100-300A in automotive applications.

    A blue fuse block designed for secure MEGA fuses rated between 100-300A in automotive applications.

    $58.22 Your price for this item is $58.22
  6. BLUE SEA SYSTEMS Sea 5024 St-Blade Battery Terminal Mount Fuse Block Kit

    About this product

    A blue fuse block kit with four fused circuits, screw terminals, and an insulating cover for secure wiring.

    A blue fuse block kit with four fused circuits, screw terminals, and an insulating cover for secure wiring.

    $74.76 Your price for this item is $74.76
  7. BLUE SEA SYSTEM Sea 505 Anl 300 Fuse Block W/ Cover

    About this product

    A blue fuse block with cover designed for secure and reliable automotive electrical protection.

    A blue fuse block with cover designed for secure and reliable automotive electrical protection.

    $55.60 Your price for this item is $55.60
  8. BLUE SEA SYSTEMS Sea 7721 Mega-Amg Safety Fuse Block

    About this product

    A blue fuse block designed for safe and reliable circuit protection in automotive electrical systems.

    A blue fuse block designed for safe and reliable circuit protection in automotive electrical systems.

    $67.06 Your price for this item is $67.06
  9. BLUE SEA SYSTEMS Sea 7720 Midi-Ami Safety Fuse Block

    About this product

    A blue marine-grade fuse block with sealed, ignition-protected cover for safe installation on boats.

    A blue marine-grade fuse block with sealed, ignition-protected cover for safe installation on boats.

    $67.06 Your price for this item is $67.06
  10. BLUE SEA SYSTEMS Sea 5502 Fuse Block Class T 225-400 Amp

    About this product

    A heavy-duty blue fuse block supporting 225-400 amps DC with tin-plated copper mounting blocks.

    A heavy-duty blue fuse block supporting 225-400 amps DC with tin-plated copper mounting blocks.

    $86.21 Your price for this item is $86.21
  11. BLUE SEA SYSTEM Sea 5030 St Blade Fuse Block W/out Cover - 6 Circuit W/ Negative Bus

    About this product

    A blue 6-circuit fuse block with negative bus, designed for organized and reliable circuit protection.

    A blue 6-circuit fuse block with negative bus, designed for organized and reliable circuit protection.

    $81.59 Your price for this item is $81.59
  12. BLUE SEA SYSTEM Sea 5033 St Blade Fuse Block W/out Cover - 6 Circuit W/out Negative Bus

    About this product

    A blue 6-circuit blade fuse block designed for automotive electrical systems, without cover or negative bus.

    A blue 6-circuit blade fuse block designed for automotive electrical systems, without cover or negative bus.

    $74.20 Your price for this item is $74.20
  13. BLUE SEA SYSTEMS Sea 5023 St-Blade Battery Terminal Mount Fuse Block

    About this product

    A blue fuse block with four ATO/ATC circuits, nylon insulated terminals, and an insulating cover.

    A blue fuse block with four ATO/ATC circuits, nylon insulated terminals, and an insulating cover.

    $60.05 Your price for this item is $60.05
  14. BLUE SEA SYSTEMS Sea 5045 St Blade Compact Fuse Blocks - 4 Circuits W-Cover

    About this product

    A compact blue fuse block providing surface mount circuit protection for four ATO/ATC blade fuses.

    A compact blue fuse block providing surface mount circuit protection for four ATO/ATC blade fuses.

    $60.08 Your price for this item is $60.08
  15. SAMLEX AMERICA Samlex 400A Class T Fuse Block Accessory Kit

    About this product

    A durable fuse block accessory kit designed for reliable circuit protection in marine and boating applications.

    A durable fuse block accessory kit designed for reliable circuit protection in marine and boating applications.

    $251.56 Your price for this item is $251.56
  16. BLUE SEA SYSTEM Sea 5191 Fuse Block Terminal 30-300 Amp

    About this product

    A blue fuse block terminal designed for secure 30-300 amp connections in automotive electrical systems.

    A blue fuse block terminal designed for secure 30-300 amp connections in automotive electrical systems.

    $52.61 Your price for this item is $52.61
  17. CARMANAH Technologies Fbl-300 300 Amp Fuse Clast T With Block

    About this product

    A heavy-duty 300 amp fuse with block designed for reliable automotive electrical protection.

    A heavy-duty 300 amp fuse with block designed for reliable automotive electrical protection.

    $227.79 Your price for this item is $227.79
  18. BLUE SEA SYSTEMS Sea 5035 St Blade Fuse Block W-Cover - 6 Circuit Independent W-O Negative Bus

    About this product

    A blue 6-circuit fuse block with cover, offering independent circuits and convenient fuse access for vehicles.

    A blue 6-circuit fuse block with cover, offering independent circuits and convenient fuse access for vehicles.

    $71.84 Your price for this item is $71.84
  19. DOLAER 3PCs Premium Acu Add-A-Circuit Fuse Tap, Piggy Back Blade Fuse Holder Kit \w Wire Harness, Free Standard Blade Fuses X 15PCs, Fuse Puller X

    About this product

    A premium ABS and copper wire fuse tap kit that safely adds circuits and protects against overloads.

    A premium ABS and copper wire fuse tap kit that safely adds circuits and protects against overloads.

    $10.16
    SAVE $6
    Your price for this item is $10.16
  20. ROCKFORD FOSGATE Rffdagu Fused Agu Distribution Block

    About this product

    A platinum-plated fused distribution block with solid brass construction, supporting multiple wire sizes for car audio.

    A platinum-plated fused distribution block with solid brass construction, supporting multiple wire sizes for car audio.

    $74.99 Your price for this item is $74.99
  21. DOLAER 8PCs 12V 24V Add-A-Circuit Micro 2 Fuse Tap, Piggy Back Blade Fuse Holder With Wire Harness, 9PCs Micro 2 Fuse (5A 10A 15A) And Fuse Puller

    About this product

    A convenient package that includes 8 fuse holders, a fuse puller, and 9 micro 2 fuses.

    A convenient package that includes 8 fuse holders, a fuse puller, and 9 micro 2 fuses.

    $21.46
    SAVE $3
    Your price for this item is $21.46
  22. SAMLEX AMERICA All Power Supply Dc-Fb-2 Double Pole Fuse Bar

    About this product

    A durable double pole fuse bar designed for reliable power supply protection in marine and boating applications.

    A durable double pole fuse bar designed for reliable power supply protection in marine and boating applications.

    $78.63 Your price for this item is $78.63
  23. DOLAER 150PCs 6X30MM Professional Car Fast-Blow Glass Tube Fuse Kit: 130PCs Quick Blow Glass Tube Fuse + 20PCs Fuse Seat, With Transparent Plastic Box

    About this product

    A comprehensive kit of 130 quick-blow glass tube fuses and 20 fuse seats in a clear box.

    A comprehensive kit of 130 quick-blow glass tube fuses and 20 fuse seats in a clear box.

    $14.68
    SAVE $8
    Your price for this item is $14.68
  24. DOLAER Automotive Car Truck 2 Pieces 16 Gauge Add-A-Circuit Fuse Tap Adapter for Low-Profile Mini Blade Type Fuse + 8 Pieces Low Profile Mini Fuse

    About this product

    A convenient fuse tap adapter kit with 16 AWG wiring and eight low-profile mini fuses for easy circuit additions.

    A convenient fuse tap adapter kit with 16 AWG wiring and eight low-profile mini fuses for easy circuit additions.

    $12.42
    SAVE $7
    Your price for this item is $12.42

Fuse Blocks

Fuse blocks are essential components for anyone working with electrical systems, whether it’s in a vehicle, a boat, or even a custom electronics project at home. These devices provide a safe and organized way to distribute power and protect circuits from overloads, making them a staple for both professionals and DIY enthusiasts. As summer winds down and August brings thoughts of road trips, outdoor adventures, and vehicle maintenance, fuse blocks become especially relevant for those looking to ensure their vehicles and equipment are operating reliably. Imagine preparing for a late-summer camping trip, checking over your RV or boat, and finding peace of mind knowing your electrical system is protected by a well-chosen fuse block. For car audio enthusiasts upgrading their sound systems, or hobbyists wiring up off-grid solar setups, selecting the right fuse block is an important step in safeguarding both equipment and passengers.

When shopping for fuse blocks, there are a few key considerations to keep in mind. First, it’s important to match the fuse block to your specific application—whether that’s automotive, marine, or general electronics. Look for options that offer the right number of circuits, appropriate amperage ratings, and compatibility with the types of fuses you plan to use. Accessibility and ease of installation can make a big difference, especially if you’re working in a tight engine bay or under the dash. Some fuse blocks feature covers to protect from dust and moisture, which is ideal for vehicles exposed to the elements or for installations in boats and recreational vehicles. For those upgrading older vehicles or customizing classic cars, a modern fuse block can bring added safety and convenience, allowing for easier troubleshooting and future expansions. If you’re gifting fuse blocks to a friend or family member who loves tinkering with cars, boats, or electronics, it’s a thoughtful and practical choice that supports their passion and projects.

Fuse blocks are not just for mechanics or electricians—they’re also invaluable for anyone who values reliability and safety in their electrical systems. Whether you’re equipping a family vehicle for back-to-school season, preparing a boat for late summer fishing trips, or simply ensuring your workshop projects are protected, a quality fuse block is a wise investment. The right setup can make future maintenance simpler, providing a clear overview of your circuits and helping to quickly identify any issues that arise. For those interested in learning more about compatible fuses and related accessories, the Vehicle Fuses page offers a comprehensive selection to help complete your setup. With the right fuse block in place, you can focus on enjoying your adventures and projects, knowing your electrical systems are well protected and organized.

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