SKU: 71525423594

Blue Sea 12 Circuits Blade Fuse Block/Holder w/ Negative Bus & Cover

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Description

Blue Sea 12 Circuits Blade Fuse Block/Holder w/ Negative Bus & CoverBlue Sea Systems ST Blade Fuse Block: Centralised Power Distribution for Marine and RV Systems Streamline Your 12V and 24V Electrical Systems The Blue Sea Systems ST Blade Fuse Block (12 Circuits) is the industry standard for consolidating branch circuits in demanding mobile environments. Designed to eliminate the "rats' nest" of in line fuses and messy wiring often found in boats, caravans, and 4WD canopies, this distribution block offers a

Blue Sea Systems ST Blade Fuse Block: Centralised Power Distribution for Marine and RV Systems

Streamline Your 12V and 24V Electrical Systems

The Blue Sea Systems ST Blade Fuse Block (12 Circuits) is the industry standard for consolidating branch circuits in demanding mobile environments. Designed to eliminate the "rats' nest" of in-line fuses and messy wiring often found in boats, caravans, and 4WD canopies, this distribution block offers a professional, safe, and reliable solution for managing your DC electrical connections.

Engineered for 12V and 24V systems (rated up to 32V DC), this unit allows you to power up to 12 separate accessories—such as fridges, lighting, water pumps, and navigation electronics—from a single reliable source. With a maximum total amperage of 100A per block and 30A per circuit, it is robust enough to handle the power requirements of modern off-grid setups while ensuring specific circuits are protected against overcurrent faults.

Integrated Negative Bus for Simplified Wiring

One of the standout features of this model is the integrated negative bus. In many electrical installations, finding a clean and accessible location for return lines (grounding) can be a challenge, often leading to stacked terminals on battery posts. This fuse block includes a built-in negative bus with #10-32 (Approx. M5) stud terminals, allowing you to run both positive and negative wires to the same block.

This design not only saves significant installation time but also reduces the number of connections required, minimising voltage drop and potential failure points. It creates a compact, self-contained power hub that makes troubleshooting easier in the future.

Marine-Grade Durability and ABYC Compliance

Built to withstand harsh saltwater and outdoor environments, the unit features tin-plated copper buses and fuse clips. This plating provides superior corrosion resistance compared to bare copper, ensuring consistent conductivity over the life of the vessel or vehicle. The base is constructed from reinforced polycarbonate, offering excellent heat resistance and strength.

The included insulating cover is designed to satisfy ABYC and USCG requirements for electrical insulation, protecting the fuses from accidental short circuits. The cover features an easy-to-open push-button latch, storage space for two spare fuses, and label recesses that accept Blue Sea Systems' Small Format Labels (sold separately), ensuring your system is clearly identified and compliant.

Key Features

  • 12 Independent Circuits: consolidate varying loads into one central hub
  • Integrated Negative Bus: simplifies wiring by providing a central ground point
  • High Current Rating: Supports 100A total continuous current and 30A per circuit
  • Corrosion Resistant: Tin-plated copper components for marine longevity
  • Safety Cover Included: Meets insulation requirements and stores spare fuses
  • Wide Voltage Range: Suitable for 12V and 24V DC systems (Max 32V DC)

Installation and Technical Context

This fuse block is designed for versatility. It accepts standard ATO® and ATC® fast-acting blade fuses, which are widely available and easy to replace. The main positive distribution bus utilises a #10-32 (Approx. M5) stud, while the branch circuits use #8-32 (Approx. M4) screws with captive star lock washers to ensure secure connections even under vibration.

*Note: While rated for 100A maximum, typical de-rating factors apply based on ambient temperature and wire sizing. Ensure your supply cable is fused appropriately at the battery source.

Whether you are refitting a yacht or building a custom 12V system for a camper trailer, the Blue Sea Systems 5026 fuse block delivers the reliability and organization required for professional-grade electrical installations.

Secure Your Electrical System

Upgrade to the Blue Sea Systems 12 Circuit ST Blade Fuse Block today for a safer, cleaner, and more reliable power distribution system in your boat or vehicle.

Shipping Notes
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Exchange/Return Notes
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  • Final sale items are not eligible for returns or exchanges.
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SKU: 71525423594

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4.0 ★★★★★
Based on 11 reviews
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Eric San Juan
Louisville, US
★★★★★ 5
Gorgeous set; fans of Elder Scrolls lore will love it
Format: Hardcover
Let's cut to the chase: if you love the lore of the Elder Scrolls games (Skyrim, Oblivion, Morrowind, Daggerfall, etc.), you're going to want to add this to your bookshelf. This gorgeous slipcase boxed set brings together the previously released hardcovers of "The Elder Scrolls Online: Tales of Tamriel, Book I: The Land" and "The Elder Scrolls Online: Tales of Tamriel: Book II: The Lore," with a slight re-branding so it seems less specific to Elder Scrolls Online. The covers now only say "Tales of Tamriel." That's a good change, too. Though branded as being tied to The Elder Scrolls Online, an MMO many offline players have been hesitant to check out -- for what it's worth, it's a great game that earns the Elder Scrolls name -- the content and stories here are pretty universal and will be of interest to any Elder Scrolls lore geek, from novices to the long devoted. The production quality on this set is OUTSTANDING. The books are sturdy hardcovers with faux leather textured covers, lavish illustrations inside, and thick glossy paper. They are genuinely GORGEOUS. I initially balked at the price, but once I had it in my hands I understood. The box is nice, too, with textured print and designs, and a sturdy build that should last. These are not cheaply made! It's what's inside that counts, though, right? Each book runs a little over 200 pages and contains dozens of in-game books and (I'm pretty sure) some addition material not found in the games. "Book 1: The Land" is broken into five sections. These sections are organized based on the factions of Elder Scrolls Online, but veterans of the offline games will have no problem navigating what's what. The book opens with a brief section on Tamriel history. The next section is focused on the people and places of the Aldmeri Dominion, which means it's a series of tales and pieces on the high elves, wood elves, and khajiit. Section two covers the Daggerfall Covenant, made up of the orcs, Bretons, and Redguards. The fourth section is on the Ebonheart Pact, aka the dark elves, argonians, and nords (of Skyrim fame). And finally, a section on creatures wraps things up. The material here gives you a great sense for the people and places of the game world, including many places we never visited in the offline games. Book II: The Lore is (obviously) focused on history and lore.This one is broken into six sections: Racial Motifs (descriptions of the races), Lore (history, the gods, etc.), Magicka (about the schools of magic), Warfare and Factions (about guilds and combat), Oblivion (about the planes of Oblivion), and Daedra (self explanatory). This one gets a little deeper into the headier stuff that makes up Elder Scrolls lore. If you've read some in-game books, you know what to expect. There arearound 400 or so in-game books represented in these two volumes, far more than most people have read while playing the games. If you've skipped the in-game books, here's what to expect: a load of well-written tales, essays and pieces about Tamriel, presented as if written by people who live in the game world. They can vary from serious and deep to whimsical and fantastic. Just as the tone of the games switch a lot, so do these stories. If one of the pieces isn't catching your interest, no worries. Just skip it. Each story is very brief, usually only a single page, making this a GREAT book to just pick up and read for a few moments. Things are arranged in a logical order so if you want to read the books straight through you can, but it's not necessary. You can skip around to the things that interest you. If it wasn't so nicely made, it would make good bathroom reading. Hey Bethesda, get affordable softcovers made of these released so we don't have to feel guilty about beating them up! All in all, this set is terrific. The price is about the same as buying the two volumes individually, plus it comes in a gorgeous slipcase. Can't beat that. Looking forward to getting the Skyrim version next week! EDIT: My copy of has arrived, and it's equally as gorgeous!
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Reviewed in the United States on September 6, 2017
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Verified Purchase
anthony salazar
Louisville, US
★★★★★ 5
Absolutely Amazing Price, Great Quality
Format: Hardcover, Format: Hardcover
I was very shocked woth the quality and size of these book, I was fortunate to purchase them on sale for under $40 and I have to say I'm impressed. Both book are outstanding pretty thick, and have alot if heft to them, they make excellent additions to the bookshelf, shrine, or collection, and are a mist for any Elder Scrolls or ESO fan. (Bonus if you have the Skyrim Library books, they are the exact same size and fit beautifully on the shelf together out of slipcase) Breaking things down per book, The Land features 231 pages of illustration, and information on various factions, locations, houses (like Ravenwatch), alliances, etc. It groups alot of the information based of alliance location, the contents lists things in order of History, Aldmeri Dominion, Daggerfall Covenant, Ebonheart Pact, and Creatures. Something like House Ravenwatch would be located in the Daggerfall section, since in game that's where you can find them. There's so many sub categories in this book, alongside high detail it's breathtaking, having the text paired right by the beautiful artwork makes for a great experience, and we'll worth a read. Moving on, The Lore. The Lore is broken up across 228 pages, again listed in the contents as Racial Motifs, Lore, Magicka, Warfare and Factions, Oblivion, and Deadra. The Lore focuses more on the mystical aspect of The Elder Scrolls, passages about the Spellcrafting and the Arcana, to the fundamentals of Alchemy, whereas the Land focuses on the History of the universe. Learning the ruminations and origins of Magic, the Aetherious, and Oblivion, fans of Micheal Kirkbride's writing and appreciation for the mystic and arcane will appreciate this book, as it delves into Deadric Princess, there powers, the Dwemer and how they harnessed the powers of Aetherious, and more. There are some what i would say, misplaced, texts here, like the history of the Fighters Guild, Mace Etiquette, and Heavy Armor Forging, although good reads, they don't fit the over arching theme of the book as a whole, but are still appreciated. Again illustrations litter the book, with fascinating art of Alchemical ingredients and potions, to amazing renditions of magical forces or spells, or the haunting halls of the now ruined Ayleid empire, the artwork is simply stunning and detailed. I'd have to say that these writings are definitely worth the price, and of your reading this while it's on sale I'd say pull the trigger and just get them, it's an great price for an amazing product, and you won't be let down. Things like this make me wish that Microsoft/Zenimax doubled down on the books, and published more like this.
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Reviewed in the United States on July 9, 2022
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Verified Purchase
Ivy Reisner
West Palm Beach, US
★★★★★ 5
Beautiful and informative
Format: Hardcover
I've been playing this game since it came out and I can't keep all of it straight. I mean there are a lot of lorebooks to go through, but not much structural cohesion on how or even if you encounter them. This collection almost looks like some great librarian gathered all the lore books and curated the collection into an order that makes sense. This isn't a comprehensive overview of the world. Molog Bal is barely mentioned, for example. Certainly no section dedicated to the planemeld and all that. This is closer to an encyclopedia of things you might finish the main quest and still not know, or might easily forget. I know I forgot half the Kajiti pantheon. I mean Jone and Jode, yeah, but some of the others not so much. This is a great addition to the library of any fan. The cover is beautiful. I prefer ebooks generally, and wish this were available on Kindle as well, but I can see the intent on a book that is this much a work of art. Now if only someone would start publishing the Investigator Vale novels.
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Reviewed in the United States on March 21, 2024
J
Verified Purchase
Jesse L.
Grantham, US
★★★★★ 5
A perfect collector’s item for any TES fan!
Format: Hardcover, Format: Hardcover
Disclaimer: This is a collector’s item. The content within these books can be accessed in game. If This turns you off, then this product wasn’t made for you. GOOD: The quality of the cover and pages are worthy the premium price tag. The new book smell is top notch! The artwork is so splendid, I found myself starring into them for several minutes, to appreciate the finer details. BAD: None for me. I played TES 4, and TES 5 more than any other game by a few hundred hours. I only recently became addicted to Elder Scrolls Online, and decided to treat my emphatic love of TES’s with these books, and I am quite pleased with my purchase. Some of the lore I had come across in game already, but due to keeping up with other players in my party, I wasn’t able to devote time to reading it, so it was great come back to it. I’ve been reading through these slowly, usually right after playing a couple hours before bed, which makes for a fun way to decompress. I plan on ordering the Skyrim equivalent lore books. Great product!!!
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Reviewed in the United States on July 20, 2020
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Verified Purchase
Me
Phoenix, US
★★★★★ 5
Art and quality!
Format: Hardcover, Format: Hardcover
Now the first thing I want to mention is the art style, i am absolutely in love with it, it's so sleek and beautiful just everything about it, so much loveand care was put into these books and as someone who loves skyrim it's just perfect. The lore is wonderful and the stories are just as amazing, it can be boring for me but that's just due to my adhd. The quality of the pages are strong and thick they wont tear by just fliping a page. the box itself is lovely just slide the booksnright on in and they fit perfectly! So for anyone who loves skyrim this box set is highly recommended
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Reviewed in the United States on September 15, 2023

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