Boat Fuses

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Marine Fuse Display (Sea-Dog Line)
Marine Fuse Display (Sea-Dog Line)
Top selling glass and blade style fuses and fuse accessories. Small reusable packaging can store spare fuses. Vision packaging saves space for more …
Only $336.64
List price: $442.95
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Fuse Kit (Sea-Dog Line)
Fuse Kit (Sea-Dog Line)
Kit contains 5ea: 3, 5, 7.5, 10, 15 and 20 amp fuses.
Starting at $7.30
List price: $9.95
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Ato/Atc & Maxi Automotive Style Fuse (Sea-Dog Line)
Ato/Atc & Maxi Automotive Style Fuse (Sea-Dog Line)
Fuse, ATO/ATC, 5 Amp Blade (Fast) 5/Card
Starting at $2.57
List price: $4.25
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Glass Tube Fuse (Sea-Dog Line)
Glass Tube Fuse (Sea-Dog Line)
Fuse, AGC 2 Amp (Fast) 5/Card
Starting at $1.63
List price: $2.50
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ATM MINI FUSE (SEA DOG)
ATM MINI FUSE (SEA DOG)
Tin plated copper contacts endure a reliable connection, even in a salt water environment.
Starting at $3.03
List price: $5.00
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Blue Sea Systems Ato or Atc Fuses
Blue Sea Systems Ato or Atc Fuses
Delivers fast-acting protection for electronics and other small loads. Tin-plated connector blades for corrosion resistance. Visible indication of …
Starting at: $1.77
List price: $2.19
In stock

Blue Sea Systems Midi or Ami Fuses
Blue Sea Systems Midi or Ami Fuses
Compact fuse for main or branch circuit protection. Clear window offers visible indication of blown condition. Color-coded for easy amperage …
Starting at: $6.16
List price: $7.29
In stock

Blue Sea Systems Terminal Fuses
Blue Sea Systems Terminal Fuses
MRBF - Marine Rated Battery Fuse. Space-saving ignition protected fuse for 30 to 300 Ampere loads. Must use with Terminal Fuse Block (2151 or 5191). …
Starting at: $14.73
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List price: $17.39
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Ancor ATM Fuses
Ancor ATM Fuses
5/16" Diameter x 7/16" Length
Starting at: $2.80
List price: $3.49
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Ancor ATO/ATC Fuses
Ancor ATO/ATC Fuses
13/16" Diameter x 3/4" Length
Starting at: $2.67
List price: $3.49
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Blue Sea Systems AGC And MDL Fuses
Blue Sea Systems AGC And MDL Fuses
Fast-acting glass fuse ideal for small electronic devices. For use with Blue Sea Systems ST-Glass fuse blocks and AGC® or MDL® fuse holders. …
Starting at: $2.02
List price: $2.49
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Blue Sea Maxi Fuses
Blue Sea Maxi Fuses
Economical tin-plated connector blades for corrosion resistance Visible indication of blown condition
Starting at: $2.78
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List price: $3.29
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Blue Sea Systems Maxi Fuses
Blue Sea Systems Maxi Fuses
Maxi Fuses are Tin-plated connector for corrosion resistance, Economical, Visibles indication of blown condition, Sold in pkg of 2 30A 40A 50A 60A …
Starting at: $2.78
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List price: $3.29
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Blue Sea Systems Mega or Amg Fuses
Blue Sea Systems Mega or Amg Fuses
Use with MEGA® or AMG® Fuse Blocks to create an economical system for 100 to 300 Ampere circuit protection. One fuse per package. 32V DC.
Starting at: $8.80
List price: $10.63
In stock

Blue Sea Mega Fuses
Blue Sea Mega Fuses
Most economical fuse for 100-300 Ampere circuit protection For use with Blue Sea Systems' SEA Fuse Block SPECIFICATIONS Interrupt Rating 2,000 …
Starting at: $8.80
List price: $10.63
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Blue Sea ANL Fuses
Blue Sea ANL Fuses
Ignition protected (conforming to SAE J1171)- safe for installation aboard gasoline powered boats (35-500 Amp only) Silver-plated connector blades …
Starting at: $15.43
List price: $19.99
In stock

Blue Sea ANL Fuses
Blue Sea ANL Fuses
5133 ANL Fuse 300A Ignition protected (conforming to SAE J1171)- safe for installation aboard gasoline powered boats Silver-plated connector blades …
Starting at: $15.43
List price: $19.99
In stock

Blue Sea Class T Fuses
Blue Sea Class T Fuses
Extremely fast short-circuit response 20,000 Ampere Interrupt Capacity (AIC) Certifications & Agency Standards UL listed to standard 248-15 DC …
Starting at: $31.69
List price: $42.22
In stock

Blue Sea Class T Fuses
Blue Sea Class T Fuses
Extremely fast short-circuit response 20,000 Ampere Interrupt Capacity (AIC) Certifications & Agency Standards UL listed to standard 248-15 DC …
Starting at: $31.69
List price: $42.22
In stock

Blue Sea 5037 ST Blade Fuse Block w/o Cover - 6 Circuit Independent w/o Negetive Bus - Blue Sea Systems
Blue Sea 5037 ST Blade Fuse Block w/o Cover - 6 Circuit Independent w/o Negetive Bus - Blue Sea Systems
ST Blade Fuse Block w/o Cover - 6 Circuit w/o Negative Bus Part# 5037 Can be used for 24-hour circuits Models available with or without a cover …
Your price: $32.45
List price: $38.13
In stock

5184 Fuse Terminal 125 AMP - Blue Sea Systems
5184 Fuse Terminal 125 AMP - Blue Sea Systems
Terminal Fuse Color: Green Amperage: 125A Interrupt Rating satisfies ABYC requirements for DC Main circuit protection on large battery banks …
Your price: $14.75
List price: $17.35
In stock

5178 Fuse Terminal 60 AMP - Blue Sea Systems
5178 Fuse Terminal 60 AMP - Blue Sea Systems
Terminal Fuse Color: Gold Amperage: 60A Interrupt Rating satisfies ABYC requirements for DC Main circuit protection on large battery banks Ignition …
Your price: $14.75
List price: $17.35
In stock

Blue Sea 5180 Fuse Terminal 75amp - Blue Sea Systems
Blue Sea 5180 Fuse Terminal 75amp - Blue Sea Systems
Terminal Fuse Color: Brown Amperage: 75A Interrupt Rating satisfies ABYC requirements for DC Main circuit protection on large battery banks Ignition …
Your price: $14.75
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List price: $17.35
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Blue Sea 5182 90A Fuse Terminal - Blue Sea Systems
Blue Sea 5182 90A Fuse Terminal - Blue Sea Systems
Terminal Fuse Color: Purple Amperage: 90A Interrupt Rating satisfies ABYC requirements for DC Main circuit protection on large battery banks …
Your price: $14.75
List price: $17.35
In stock

Blue Sea 5255 MIDI/AMI Fuse 80 Amp - Blue Sea Systems
Blue Sea 5255 MIDI/AMI Fuse 80 Amp - Blue Sea Systems
Fuse MIDI/AMI 80A Compact fuse with 80A amperage Tin-plated copped for corrosion resistance Clear cover offers visible indication of blown fuses …
Your price: $6.25
List price: $7.26
In stock

Blue Sea 5257 MIDI/AMI Fuse 125 Amp - Blue Sea Systems
Blue Sea 5257 MIDI/AMI Fuse 125 Amp - Blue Sea Systems
Fuse MIDI/AMI 125A Compact fuse with 125A amperage Tin-plated copped for corrosion resistance Clear cover offers visible indication of blown fuses …
Your price: $6.25
List price: $7.26
In stock

FUSE ATO 30 AMP GREEN 5/CD - Sierra
FUSE ATO 30 AMP GREEN 5/CD - Sierra
5 Pack ATO Blade Style.
Your price: $2.61
List price: $3.79
In stock

FUSE ASST. - MARINE GLASS - Sierra
FUSE ASST. - MARINE GLASS - Sierra
Five fuses: 1 ea. AGC 5101530 AMP and 1 ea. SFE 20 AMP. Sold individually.
Your price: $2.61
List price: $3.99
In stock

FUSE KIT ATO - Sierra
FUSE KIT ATO - Sierra
Contains: 1 of each of 5 10 15 20 30 Amp.
Your price: $2.61
List price: $3.99
In stock

FUSE ATO 10 AMP RED 5/CD - Sierra
FUSE ATO 10 AMP RED 5/CD - Sierra
5 Pack ATO Blade Style.
Your price: $2.61
List price: $3.79
In stock

FUSE ATO 15 AMP BLUE 5/CD - Sierra
FUSE ATO 15 AMP BLUE 5/CD - Sierra
5 Pack ATO Blade Style.
Your price: $2.61
List price: $3.79
In stock

FUSE ATO 25 AMP CLEAR 5/CD - Sierra
FUSE ATO 25 AMP CLEAR 5/CD - Sierra
5 Pack ATO Blade Style.
Your price: $2.61
List price: $3.79
In stock

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Fuses How-To's

Infographic

Blue Sea Systems Tech Tip: Fuse Color Coding Explained

Color coding made easy. Make sure you use the correct fuse. Learn how here ... read more Infographic: Tech Tip: Color Coding Explained for Fuses

Circuit protection color coding helps boaters to match fuses with compatible fuse holders and fuse blocks in order to improve interpretation. On the packaging for fuse holders and fuse blocks, there will be color coded labels in the form of rectangles that will be an indicator designed for each specific holder or block. Some fuse blocks will require multiple fuse types. Some of the more well-known ratings appear in blue or black. The blue consists of APS, ATO, or ATC ratings, and the black consists of AMI and MIDI. These are not the only ratings. However, there are many other classifications. Below is a representation of the required fuse types. The stats on these ratings are as follows:

  • -APS: micro2, micro3, and low-profile mini
  • -APM/ATM: mini
  • -APR/ATC/ATO: regular
  • -APX: maxi (heavy duty)

The sizes on these are as follows:

ATR:
  • Length: 9.1 mm
  • Width: 3.8 mm
  • Height: 15.3 mm
ATL:
  • Length: 14.4 mm
  • Width 4.2 mm
  • Height: 18.1 mm
APS/ATT:
  • Length: 10.9 mm
  • Width: 3.81 mm
  • Height: 8.73 mm
APM/ATM:
  • Length: 10.9 mm
  • Width: 3.6 mm
  • Height: 16.3 mm
APR/ATC/ATO:
  • Length: 19.1 mm
  • Width: 5.1 mm
  • Height: 18.5 mm
APX:
  • Length: 29.2 mm
  • Width: 8.5 mm
  • Height: 34.3 mm

We do recommend advising with a local mechanic or technician to determine what size and rating you need for your application.
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