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Blue Sea Systems Terminal Fuses

4.7 4.7 out of 5 stars 84 ratings
Amazon's Choice highlights highly rated, well-priced products available to ship immediately.
Amazon's Choice in Automotive Replacement Fuses by Blue Sea Systems
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30a
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Purchase options and add-ons

Current Rating 30 Amps
Connector Type Screw
Mounting Type surface
Color blue/sea
Brand Blue Sea Systems
Voltage 14 Volts
Specification Met Sea

About this item

  • Product type :ELECTRONIC SWITCH
  • Package dimensions :2.032 cm L x3.556 cm W x7.112 cm H
  • 10,000 AIC at 14V DC satisfies ABYC requirements for DC Main circuit protection on large battery banks
  • Requires the use of Terminal Fuse Blocks PN 5191 or PN 2151—do not mount the fuse directly to the battery terminal
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From the manufacturer

ABOUT US

Over 1,000 electrical products are designed to work together as a fully integrated system. Just in time manufacturing has made Blue Sea Systems marine manufacturers. Product quality is managed in a manner consistent with standards.

Product Description

Terminal Fuse. Color: Light Green. Amperage: 30A. 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

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Blue Sea Systems Terminal Fuses

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Customer reviews

4.7 out of 5 stars
4.7 out of 5
84 global ratings

Top reviews from the United States

THOMAS Z.
5.0 out of 5 stars Works great
Reviewed in the United States on May 11, 2019
Style: 30aVerified Purchase
Solid fuse
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Greg
5.0 out of 5 stars Will withstand considerable compression
Reviewed in the United States on December 6, 2019
Style: 30aVerified Purchase
These are expensive for my applications but I was able to crank down several 2 AWG lugs and cables tightly withouyt risk of crushing.
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Diana of Burlington
5.0 out of 5 stars The best system for boat batteries
Reviewed in the United States on October 25, 2021
Style: 30aVerified Purchase
This Blue Sea fuse-on-battery system is the definitive answer to the ABYC and BOATUS requirement (adopted by reputable marine insurance companies) for having a fuse within 6-7” of the battery terminal. Too many casual boaters rely on those terrible terminal blocks with all the screws that attach right to the post - but where are the fuses? The Blue Sea fuse holder that goes with this fuse solves that problem elegantly and safely.

The 30a fuse is the lowest-amperage one they offer but is fine for any size-24 deep-cycle house or small-engine starting battery. Remember you must have the 5191 fuse holder for this to work - DO NOT just drop fuse onto terminal and put the cables on top (fuse won’t protect like that).

Be safe, not sorry; protect your batteries and your boat, and use this.
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lostburro
5.0 out of 5 stars Purchased as a spare for the one I have
Reviewed in the United States on June 21, 2021
Style: 30aVerified Purchase
I'm using the Blue Sea Systems MRBF Surface and Terminal Mount Fuse Block as my fuse block for my DC/DC Charger cable, and I wanted to have a spare fuse "just in case". And I'm not going to find the terminal fuses, on the road, at just any auto parts store. These are sold, on Amazon, by Blue Sea Systems, but they are a BUSS fuse.
Review specific to: 30A Blue Sea Systems Terminal Fuse
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Crabber
4.0 out of 5 stars Safest battery fuse if you have the space above battery.
Reviewed in the United States on March 29, 2014
Style: 30aVerified Purchase
Great system for putting fuse right on battery. The systems too tall and the rubber cap is not well designed are my only complaints.
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Trusted Reviews
5.0 out of 5 stars Can easy check to see if fuse is blown or not
Reviewed in the United States on November 9, 2017
Style: 30aVerified Purchase
Expensive but do what they are intended to do. Can easy check to see if fuse is blown or not.
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Big G
5.0 out of 5 stars Five Stars
Reviewed in the United States on May 31, 2018
Style: 30aVerified Purchase
Great product
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southwestr
5.0 out of 5 stars As described - have used these in other builds
Reviewed in the United States on May 9, 2019
Style: 30aVerified Purchase
As described. I have bought and used these before.
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Karim Chafi
5.0 out of 5 stars Excellent produit
Reviewed in Canada on June 15, 2021
Style: 30aVerified Purchase
Le produit est excellent.
Merci
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Amazon Customer
5.0 out of 5 stars Five Stars
Reviewed in Canada on July 31, 2017
Style: 30aVerified Purchase
received quickly and works well
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