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 RT Battery Terminal Mount Fuse Block 4 Circuit [8023]
- $42.12
$54.77- $42.12
- Unit price
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RT Battery Terminal Mount Fuse Block 4 CircuitFeatures: Compact inline 4-position fuse block has single side wire entry for tight installation spaces. Ignition Protected when the latching cover is secure for use in engine bay / combustible environments. Harsh Environment Design with stainless steel...- $42.12
$54.77- $42.12
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Vendor:Egis Mobile Electric
Egis MRBF Terminal Fuse - 30 Amp [3603-030]
- $11.22
$28.09- $11.22
- Unit price
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MRBF Terminal Fuse - 30 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...- $11.22
$28.09- $11.22
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Vendor:Egis Mobile Electric
Egis RT Fuse Block 6 Position w/LED Indication [8028]
- $25.26
$36.93- $25.26
- Unit price
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RT Fuse Block 6 Position with 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 an LED...- $25.26
$36.93- $25.26
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Vendor:Blue Sea Systems
Blue Sea 5502 Fuse Block Class T 225-400 Amp [5502]
- $71.61
$96.88- $71.61
- Unit price
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Fuse Block Class T 225-400 AMPPart #: 5502Features: Maximum Voltage: 160 Volts DC Maximum Amperage: 400 Amperes DC Maximum Torque: 190 in-lb (21.47 Nm) max. Terminal Stud Size: 3/8"-16 (M10) Mounting Holes: Accept 1/4" (M6) Screw Maximum Cable Size 4/0 AWG Fuse Mounting Blocks:...- $71.61
$96.88- $71.61
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Vendor:Blue Sea Systems
Blue Sea 5029 ST Blade Fuse Block w/Cover - 12 Circuit w/o Negative Bus [5029]
- $65.99
$92.67- $65.99
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5029ST Blade Fuse Block w/ Cover - 12 Circuit w/out Negative Bus Clear insulating cover with label recesses accept Small Format Labels Cover Satisfies ABYC/USCG requirements for insulation Tin-plated copper buses and fuse clips give 30 Amperes rating per circuit Accepts ATO and ATC...- $65.99
$92.67- $65.99
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Vendor:Victron Energy
Victron MIDI-Fuse 80A/58V M6 for 48V *Pack of 5 [CIP134080020]
- $21.49
$25.28- $21.49
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MIDI-Fuse 80A/58V M6 for 48V *Pack of 5Features: MIDI-Fuse Technology: Specifically engineered as a MIDI-Fuse, this product is tailored for automotive, marine, and renewable energy systems, offering a unique size and style compared to standard, mini, or maxi fuses Space-Saving Design: The Victron Energy MIDI-Fuse...- $21.49
$25.28- $21.49
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Vendor:Blue Sea Systems
Blue Sea ATO/ATC Fuse Pack - 5 Amp - 25-Pack [5239100]
- $26.67
$35.09- $26.67
- Unit price
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ATO/ATC Fuse Pack - 2 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: 2 Amp Maximum Voltage: 32V DC Interrupt Capacity: 1000A WARNING: This product can...- $26.67
$35.09- $26.67
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Vendor:Blue Sea Systems
Blue Sea 5129 200A ANL Fuse [5129]
- $44.92
$60.37- $44.92
- Unit price
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5129ANL Fuse200A 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...- $44.92
$60.37- $44.92
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Vendor:Blue Sea Systems
Blue Sea ATO/ATC Fuse Pack - 30 Amp - 25-Pack [5245100]
- $26.67
$35.09- $26.67
- Unit price
- / per
ATO/ATC Fuse Pack - 30 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: 30 Amp Maximum Voltage: 32V DC Interrupt Capacity: 1000A WARNING: This product can...- $26.67
$35.09- $26.67
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Vendor:VETUS
VETUS Fuse Trip C20 - 250A [ZE250]
- $26.67
$32.03- $26.67
- Unit price
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Fuse Trip C20 - 250AStrip Fuse C20 - 250 amp Specifications: Amperage: 250a Fuse Type: ANL Type: Fuses Box Dimensions: 1"H x 3"W x 5"L WT: 0.1 lbs UPC: 8717372228797 Quick Guide (pdf)- $26.67
$32.03- $26.67
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Vendor:Victron Energy
Victron MIDI-Fuse 80A/32V (Package of 5) [CIP132080010]
- $13.13
$15.45- $13.13
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MIDI-Fuse 80A/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 80 amp fuses.Specifications: Max Current Rating: 80...- $13.13
$15.45- $13.13
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Vendor:Victron Energy
Victron MIDI-Fuse 60A/58V f/48V Products (Package of 1) [CIP133060010]
- $5.97
$7.02- $5.97
- Unit price
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MIDI-Fuse 60A/58V for 48V Products (Package of 1)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 package contains ONE Victron MIDI 60 amp fuse that’s designed for...- $5.97
$7.02- $5.97
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Vendor:Blue Sea Systems
Blue Sea ATO/ATC Fuse Pack - 10 Amp - 25-Pack [5241100]
- $26.67
$35.09- $26.67
- Unit price
- / per
ATO/ATC Fuse Pack - 10 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: 10 Amp Maximum Voltage: 32V DC Interrupt Capacity: 1000A WARNING: This product can...- $26.67
$35.09- $26.67
- Unit price
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Vendor:Blue Sea Systems
Blue Sea ATO/ATC Fuse Pack - 7.5 Amp - 25-Pack [5240100]
- $26.67
$35.09- $26.67
- Unit price
- / per
ATO/ATC Fuse Pack - 7.5 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: 7.5 Amp Maximum Voltage: 32V DC Interrupt Capacity: 1000A WARNING: This product can...- $26.67
$35.09- $26.67
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Vendor:Blue Sea Systems
Blue Sea 5131 250A ANL Fuse [5131]
- $51.95
$70.20- $51.95
- Unit price
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5131ANL Fuse250A 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...- $51.95
$70.20- $51.95
- Unit price
- / per
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Vendor:Blue Sea Systems
Blue Sea ATO/ATC Fuse Pack - 20 Amp - 25-Pack [5243100]
- $26.67
$35.09- $26.67
- Unit price
- / per
ATO/ATC Fuse Pack - 20 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: 20 Amp Maximum Voltage: 32V DC Interrupt Capacity: 1000A WARNING: This product can...- $26.67
$35.09- $26.67
- Unit price
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Vendor:Blue Sea Systems
Blue Sea 5238 4A ATO/ATC Fuse [5238]
- $4.20
$5.60- $4.20
- Unit price
- / per
5238ATO/ATC Fuse4A 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
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Vendor:Bluewater
Bluewater 6 Position Fuse Block w/LEDs [3200-0001-006]
- $31.37
$0.00- $31.37
- Unit price
- / per
6 Position Fuse Block with LEDsThis 6-position led fuse block is built to simplify circuit protection and troubleshooting in 48V DC systems. Each circuit supports up to 30A, and an integrated LED indicator alerts you the moment a fuse blows—so you can identify and...- $31.37
$0.00- $31.37
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Vendor:Blue Sea Systems
Blue Sea 5133 ANL Fuse - 300AMP [5133]
- $51.95
$70.20- $51.95
- Unit price
- / per
5133 ANL Fuse - 300AMPFeatures: 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...- $51.95
$70.20- $51.95
- Unit price
- / per
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Vendor:Victron Energy
Victron MIDI-Fuse 60A/58V-M6 (Package of 5) [CIP134060020]
- $21.49
$25.28- $21.49
- Unit price
- / per
MIDI-Fuse 60A/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: 60 amps...- $21.49
$25.28- $21.49
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![Egis RT Fuse Block 6 Position w/LED Indication [8028]](http://www.dbmarinesupplies.com/cdn/shop/files/103463XL_533x.jpg?v=1712697397)
![Blue Sea 5502 Fuse Block Class T 225-400 Amp [5502]](http://www.dbmarinesupplies.com/cdn/shop/files/34899XL_533x.jpg?v=1682649496)
![Blue Sea 5129 200A ANL Fuse [5129]](http://www.dbmarinesupplies.com/cdn/shop/files/20443XL_533x.jpg?v=1682637254)
![Blue Sea 5131 250A ANL Fuse [5131]](http://www.dbmarinesupplies.com/cdn/shop/files/20445XL_533x.jpg?v=1682637265)
![Blue Sea 5133 ANL Fuse - 300AMP [5133]](http://www.dbmarinesupplies.com/cdn/shop/files/14177XL_533x.jpg?v=1682634323)