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Total $27.69

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Blue Sea Systems 5045 ST Blade Fuse Block Compact 4 Circuit with Cover

4.8 out of 5 stars 1,426

$20.58 with 30 percent savings
List Price: $29.45

The List Price is the suggested retail price of a new product as provided by a manufacturer, supplier, or seller. Except for books, Amazon will display a List Price if the product was purchased by customers on Amazon or offered by other retailers at or above the List Price in at least the past 90 days. List prices may not necessarily reflect the product's prevailing market price.
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FREE International Returns
No Import Fees Deposit & $7.11 Shipping to United Kingdom Details

Shipping & Fee Details

Price $20.58
AmazonGlobal Shipping $7.11
Estimated Import Fees Deposit $0.00
Total $27.69

Sales taxes may apply at checkout
Available at a lower price from other sellers that may not offer free Prime shipping.
4 Circuit
With cover
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Purchase options and add-ons


About this item

  • Blue Sea Systems Fuse Block ST Blade Compact 4 Circuit with Cover, part number 5045, is a common source fuse block that provides surface mount circuit protection for ATO/ATC fuses in a compact footprint
  • Max Amps: 100A per block, 30A per circuit, Max Volts: 32V DC, Mounting :#8 Screw (M4), Recommended stud torque: 24 in-lb, Screw Terminal Torque: 18in-lb, Screw terminal type: #8-32 screws with captive star lock washer, terminal stud size: #10-32
  • Single side design allows wire entry from one side to maximize space
  • Ignition protected when cover is secure –meets ISO 8846 and SAE J1171 for use in a gasoline engine compartment
  • Clear insulating cover meets ABYC/USCG insulation requirements. Includes 4 write-on circuit labels. Fuses sold separately

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Customer reviews

4.8 out of 5 stars
4.8 out of 5
1,426 global ratings

Customers say

Customers like the quality, ease of assembly, size and value of the terminal block. For example, they mention it's built very well, fits in the space they need it to go and is good value for money. Customers are also impressed with the appearance, saying the cover is a nice touch and makes the install look great.

AI-generated from the text of customer reviews

240 customers mention236 positive4 negative

Customers are satisfied with the quality of the fuse block. They mention that it is built very well, has a very dense high quality feel, and is solid. Some say that the product works as designed and has zero issues.

"...This was far and away the best of the lot -- robust in all respects, solidly mounted, simple. The others were quite wimpy and rattly in comparison...." Read more

"...This really helped organize everything and keep the fuses all in once place and easily accessible. Works great." Read more

"Functions as expected with a clean look. Blue sea systems components are as reliable and used in my van build." Read more

"...I am pleased with the fuse block. No corrosion. It was worth the money regardless of the sticker issue...." Read more

70 customers mention70 positive0 negative

Customers find the terminal block easy to install and wire in accessories. They say it makes for a cleaner installation and is simple to mount and hook up without special tools. Customers also mention that it helps make the wiring more organized.

"...away the best of the lot -- robust in all respects, solidly mounted, simple. The others were quite wimpy and rattly in comparison...." Read more

"...This really helped organize everything and keep the fuses all in once place and easily accessible. Works great." Read more

"Simple And Easy. Just What I Needed To Clean Up My Circuits...." Read more

"Easy to use and install expansion fuse box for my classic motorcycle." Read more

39 customers mention36 positive3 negative

Customers like the size of the terminal block. They say it fits in the space they need it to go, is compact, and works well. Some mention that it fits right inside the headlight bucket.

"Used two of these in my camper project . Perfect for a tight space . Good materials .. no issues ." Read more

"Small, compact and kinda stylish. Does exactly what it need to do. Provide 4 circuits. Cover is also a nice touch...." Read more

"...The fuse block is small enough to fit under a dashboard, but not too small to be difficult to connect up to four branch circuits...." Read more

"...This item was the ideal size for my application...." Read more

36 customers mention30 positive6 negative

Customers like the value of the terminal block. They mention that it is a good product for the money, well made, and worth it.

"...It was well worth the money and I still say if the stickers that were shipped with it were the same as the ones pictured then I would give it 5 stars." Read more

"If you looking for quality you can rely on Blue Sea, worth every penny." Read more

"...Worth the extra money after reading reviews from other fuse blocks. Be careful what you buy!..." Read more

"...Well worth the extra few bucks over the crappy Chinese stuff. And, as in the photo, comes with a 15 amp ATO fuse installed...." Read more

30 customers mention30 positive0 negative

Customers are satisfied with the appearance of the terminal block. They mention that it looks great, has a simple design, and the cover is a nice touch. Some are happy with the quality and versatility of how they are designed.

"...It's a neat and tidy solution, far more organized than the multiplicity of in-line fuses that was my initial approach." Read more

"Functions as expected with a clean look. Blue sea systems components are as reliable and used in my van build." Read more

"...Does exactly what it need to do. Provide 4 circuits. Cover is also a nice touch. I powered the fuse block via relay. No issues...." Read more

"Looks like a great product, should fit my needs. Added photo of specs" Read more

12 customers mention12 positive0 negative

Customers are satisfied with the cleanliness of the terminal block. They mention that it works great, keeps everything neat and clean, and is easy to install. Some say that it cleans up the wiring a lot.

"Easy installation, cleans up all those power wires on the positive terminal" Read more

"Was very easy to install and cleaned up my battery nicely. I have this feeding several lights, an inboard air pump, and a water pump on my truck." Read more

"...what I needed to make the install of my amp and usb ports neat and clean. Love that I can come on Amazon and find things like this." Read more

"...added to our new boat to make wiring additional circuits simple and clean." Read more

8 customers mention8 positive0 negative

Customers like the accessories that can be added to the terminal block. They mention that it's great for adding electrical accessories, 12v toys, and an extra bus. Some say that it is a good addition to motorcycles and adds multiple outlets in the back of car.

"What a perfect solution for adding an extra BUS of a few circuits! Real well made, secure cover, and not overly huge. Great product!" Read more

"This fuse block is great for adding accessories to your vehicle...." Read more

"It works well, and doesn't take up a lot of space. Good addition to the motorcycle. I wish it had a ground bus." Read more

"Perfect for my Jeep accessory project. Would buy again without hesitation...." Read more

8 customers mention3 positive5 negative

Customers are mixed about the cover. Some like the dense plastic cover to keep from shorting anything out across the terminal block, while others say that it didn't have a cover plate or that the fuse block came with no cover.

"...but I'm really disappointed with this fuse block since there is no cover included...." Read more

"...I like the plastic cover to keep from shorting anything out across the terminals...." Read more

"...After some research I realize that this did not have a cover plate. This kind of makes it dangerous because the contacts are exposed...." Read more

"...on fuse block package talk about easy to snap off cover, but no cover was included. will return.. just found out i ordered a block without a cover...." Read more

Benchmark in quality
5 Stars
Benchmark in quality
Functions as expected with a clean look. Blue sea systems components are as reliable and used in my van build.
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Top reviews from the United States

Reviewed in the United States on January 5, 2024
Style: 8 CircuitColor: With coverVerified Purchase
One person found this helpful
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Reviewed in the United States on September 9, 2023
Style: 6 CircuitColor: With coverVerified Purchase
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5.0 out of 5 stars Works great
Reviewed in the United States on September 9, 2023
I used this fuse block to run heavier wiring from a lithium battery to my fish finders. Have a heavier ground wire right below the dash where all the grounds connect to. This really helped organize everything and keep the fuses all in once place and easily accessible. Works great.
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One person found this helpful
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Reviewed in the United States on November 8, 2023
Style: 12 Circuit + NegColor: Without coverVerified Purchase
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5.0 out of 5 stars Benchmark in quality
Reviewed in the United States on November 8, 2023
Functions as expected with a clean look. Blue sea systems components are as reliable and used in my van build.
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Reviewed in the United States on November 18, 2013
Style: 6 CircuitColor: With coverVerified Purchase
3 people found this helpful
Report
Reviewed in the United States on October 5, 2023
Style: 6 CircuitColor: With coverVerified Purchase
Reviewed in the United States on September 29, 2023
Style: 8 CircuitColor: With coverVerified Purchase
Customer image
5.0 out of 5 stars Top quality
Reviewed in the United States on September 29, 2023
Used two of these in my camper project . Perfect for a tight space . Good materials .. no issues .
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Customer image
One person found this helpful
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Reviewed in the United States on November 27, 2023
Style: 4 CircuitColor: With coverVerified Purchase
Reviewed in the United States on April 4, 2024
Style: 6 CircuitColor: With coverVerified Purchase

Top reviews from other countries

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The Duke
5.0 out of 5 stars Top of the line baby
Reviewed in Canada on July 28, 2023
Style: 8 CircuitColor: With coverVerified Purchase
Amazon Customer
5.0 out of 5 stars Quality products.
Reviewed in Canada on July 10, 2021
Style: 6 CircuitColor: With coverVerified Purchase
R. A. London
5.0 out of 5 stars Top Quality
Reviewed in the United Kingdom on February 3, 2024
Style: 4 CircuitColor: With coverVerified Purchase
rimuc
5.0 out of 5 stars Absolut geiles Teil
Reviewed in Germany on May 11, 2023
Style: 8 CircuitColor: With coverVerified Purchase
guy
5.0 out of 5 stars great
Reviewed in Canada on April 11, 2019
Style: 12 CircuitColor: Without coverVerified Purchase
 

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