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🛠️ Fuse your circuits with confidence—where power meets precision!
The Blue Sea Systems 5026 ST Blade Fuse Block is a professional-grade 12-circuit fuse block rated for 100 amps, designed to consolidate and protect electrical circuits efficiently. Featuring tin-plated copper buses, a secure push-button cover compliant with marine safety standards, and compatibility with ATO/ATC fuses from 1 to 40 amps, it offers a compact, durable solution for managing power distribution in tight spaces. Trusted by pros for its reliability and ease of installation, it’s the go-to choice for automotive, marine, and industrial electrical setups.




| ASIN | B001P6FTHC |
| Best Sellers Rank | #1,040 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #1 in Fuse Blocks (Tools & Home Improvement) #1 in Fuse Blocks (Industrial & Scientific) |
| Brand Name | Blue Sea Systems |
| Color | With cover |
| Connector Type | Screw |
| Current Rating | 100 Amps |
| Customer Reviews | 4.8 out of 5 stars 6,808 Reviews |
| Global Trade Identification Number | 00632085050269 |
| Included Components | Fuse Block, Cover, 20 write on circuit labels |
| Item Dimensions W x H | 3.31"W x 1.5"H |
| Item Type Name | boating-electrical-equipment |
| Item Weight | 0.1 Kilograms |
| Manufacturer | Blue Sea Systems |
| Material | Polycarbonate (PC), Tinned plated copper |
| Material Type | Polycarbonate (PC), Tinned plated copper |
| Model | 5026 |
| Mounting Type | screw mount |
| Number Of Contacts | 12 |
| Number Of Poles | 24 |
| Number of Positions | 12 |
| Part Number | 5026-BSS |
| Specification Met | ISO 9000, SAE |
| UPC | 632085050269 |
| Unit Count | 1.0 Count |
| Voltage | 32 Volts (DC) |
J**N
A Go-To Fuse Block – I've Installed Several and Will Keep Coming Back to This One
A Go-To Fuse Block – I've Installed Several and Will Keep Coming Back to This One The Blue Sea Systems 5026 ST Blade Fuse Block is a flat-out outstanding product that earns every bit of 5 stars, and having installed several versions of it across different projects I can say with complete confidence that it is the fuse block to use. The 12-circuit layout with integrated ground and cover is thoughtfully engineered and makes for a clean, professional installation every time. The 100-amp capacity handles demanding electrical loads without any concerns, and the individual circuit fusing keeps everything properly protected and organized. The build quality is exactly what you expect from Blue Sea Systems—solid, marine-grade construction that holds up to vibration, heat, and the demands of vehicle, RV, boat, and off-grid solar applications equally well. The transparent cover protects the fuse connections from moisture and debris while still allowing a quick visual inspection of all circuits without removing anything. Labeling circuits is straightforward, wiring is clean and accessible, and the overall installation experience is as professional and reliable as the end result looks. For anyone building out a 12V electrical system on an RV, boat, truck, or solar setup, this is the fuse block I recommend without hesitation every single time. If you want to do your electrical system right, start here. Highest possible recommendation.
T**H
Great price and quality
Well built and designed fuse panel. I bought this to replace the power center in my A-Frame pop up trailer. I would prefer that the wire ends had a little more coverage as they leave the unit, but any wiring there should be properly terminated (crimped, soldered, and adhesive heat shrink applied) so that there are no chances for exposed conducting wires. Will have this installed in another week, looking forward to the final product that this is contributing to - well worth the price.
B**D
High Quality Marine Fuse Panel
Super high quality in every respect. The translucent cover is removable which makes routing and securing wires easier. Main power and ground feeds from the battery attach at the top and bottom. opposite of each other, which increases safety. I used ANCOR #10 heat shrink ring terminals and labels for each connection. Fuses are not included which is fine, since you should purchase the correct fuse for each load. I installed it with four #8 stainless steel screws (not included).
C**E
works great
no problem to install
M**E
A great product. It works, but has a couple of shortcomings that could be improved. Here's more...
Overall this is a great product. It is mostly thoughtfully designed and well made. Ultimately it does what it claims: You get 12 fused circuits and 12 ground terminals. You must supply your own fuses and mounting bolts/screws which is fair. I do have some complaints about this product. First, the plastic latch for the lid doesn't work well. On the unit I received, the lid doesn't click in place firmly and doesn't stay attached firmly. The lid should have a screw to fasten it to the base so that the lid stays on firmly. The other problem is that the mounting screw holes for the base are too small. They should accomodate 3/16" bolts or screws so that people have a better chance of using mounting hardware they already have on hand. I would like to see this product built to handle a higher amperage with thicker positive and negative input terminals., however for the price of this, $27.11 in May 2025, this is a great product.
T**X
Recommend
This was recommended to me to update my 1973 Avion La Grande to bring it up to date. It is well made. I have used it yet until I get the converter.
O**R
Mandatory for any aftermarket electronics
I think I have at least a dozen of these now, every one of them faithfully protecting devices and making wiring quick, easy, and clean. Blue Sea isn’t the cheapest, but they are arguably the best. If you’ve got the room, always go for the larger fuse block just so you’ll have some built in expansion if needed. My oldest one is probably pushing 20 years old now and it still looks and functions exactly as it did when new. As far as I’m concerned, these fuse blocks are mandatory for any vehicle electronics not just for protection but because they are so easy to use. There aren’t many electronic devices that have the absolute durability of these things. I wouldn’t think of doing any aftermarket additions without having this fuse block in line. Their bus bars are legit too.
M**A
Great fuse box for Starcraft Titan
Does what it should, can run all my items with the proper fuses.
M**K
Parfait
Bonne construction, bien pensé et fonctionne très bien ! Utilisé pour mes appareils dans mon van, aucun problème après 2 mois d'utilisation 24h/24
T**S
Excellent quality. Well designed and solid built
After having bought two of the cheaper ones on Amazon at 1/3 of the price of this, I finally decided to risk the £40 and see what it's like, intending to replace one of my existing fuse boxes. I am not disappointed. The quality of this unit shines through and I have immediately ordered another to replace the other cheap one.
K**D
👍
👍
S**T
Conforme et bonne qualité
Très bon produit conforme a la description
P**G
This is perfect.
Just what I was looking for, hard to find. This is perfect. Thanks
Trustpilot
5 days ago
2 weeks ago