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Blue Sea Systems 5026 ST Blade Fuse Block 12 Circuit with Negative Bus and Cover

Manufacturer

Blue Sea Systems

<p>When electrical reliability can mean the difference between a successful voyage and a dangerous situation, marine professionals and enthusiasts turn to Blue Sea Systems. Founded in 1992, this American manufacturer has built a reputation for creating electrical components specifically engineered to withstand the unforgiving marine environment. Every product reflects a commitment to safety standards and real-world performance that has made Blue Sea Systems a leading name in marine and specialty vehicle electrical systems.</p> <h3>Engineering for the Marine Environment</h3> <p>Blue Sea Systems develops and manufactures dependable AC and DC electrical products for marine and specialized vehicle applications, designed in the USA and engineered to excel in challenging environments. The marine environment presents unique challenges—salt spray, constant vibration, temperature extremes, and moisture exposure—that can quickly degrade inferior electrical components. Blue Sea Systems addresses these challenges through careful material selection, rigorous testing protocols, and designs that prioritize both safety and serviceability. Their components are engineered for marine use and align with the intent of ABYC E-11: AC and DC Electrical Systems on Boats and relevant USCG electrical regulations.</p> <h3>Commitment to Safety Standards</h3> <p>Safety standards aren't just guidelines for Blue Sea Systems—they're fundamental to every product design. All Blue Sea Systems marine battery disconnect switches comply with the ABYC C-7 certification, demonstrating their commitment to meeting and exceeding industry safety requirements. The company maintains ABYC-certified employees across multiple departments, from engineering to technical support, ensuring deep expertise in marine electrical system design and installation standards.</p> <h3>Comprehensive Product Range</h3> <p>Blue Sea Systems offers an extensive catalog designed to address every aspect of marine electrical systems. Their <a href="/7262-blue-sea-systems-circuit-breakers-200260">circuit breakers</a> provide resettable overcurrent protection with trip-free designs and clear trip indication for quick diagnostics. For power management, their <a href="/7262-blue-sea-systems-battery-switches-manual-200149">battery switches</a> offer reliable methods for controlling battery banks and disconnecting loads during storage or emergencies, with ABYC C-7 compliance guaranteed.</p> <p>Monitoring system health is critical aboard any vessel, which is why their <a href="/7262-blue-sea-systems-battery-monitors-volt-meters-200146">battery monitors and volt meters</a> provide accurate real-time data to help operators make informed decisions about power usage and charging. The company's <a href="/7262-blue-sea-systems-terminal-blocks-bus-bars-201059">terminal blocks and bus bars</a> create organized, serviceable connection points that simplify installation and future modifications. For keeping batteries properly charged, Blue Sea Systems offers <a href="/7262-blue-sea-systems-battery-chargers-200141">battery chargers</a> engineered with features like automatic charging relay compatibility and proper charge profile management.</p> <h3>Built by Boaters, for Boaters</h3> <p>Blue Sea Systems was founded based on a commitment to create innovative high quality marine electrical products to improve the safety, simplicity, and reliability of boating, with employees who are active boaters applying their passion to designing, developing, and building products. This firsthand experience translates into practical features like modular layouts, standardized footprints, and installer-centric designs that streamline panel work and serviceability. The result is a product line that addresses real challenges faced on the water, backed by comprehensive technical documentation and support resources that help both professionals and DIY enthusiasts complete installations with confidence.</p>

Part Number

5026
06/21/2036 2:04 PM
Sale Price

$44.76

In Stock (9)

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Usually delivered within 2 days

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Fitment guaranteed

Fitment guaranteed

Product Details

The Blue Sea Systems 5026 ST Blade Common Source Fuse Block provides organized circuit protection for marine, RV, and automotive electrical systems. This compact 12-circuit fuse block accepts standard ATO/ATC blade fuses and features an integrated negative bus, making it ideal for expanding circuit capacity when your main panel is full or for protecting multiple electronic installations from a single source.

Key Features:

  • 12 protected circuits with common source positive distribution bus (#10-32 stud)
  • Integrated negative bus with #10-32 fasteners for convenient grounding
  • Tin-plated copper buses and fuse clips support up to 30A per circuit, 100A per block
  • Protective cover meets ABYC/USCG insulation requirements with push-button latch for easy access
  • Storage for two spare fuses and label recesses built into cover
  • Accepts ATO and ATC fast-acting blade fuses (1-40 amps, sold separately)
  • Compatible with ring or snap fork terminals for flexible installation
  • Includes 20 write-on labels; accepts Blue Sea Systems Small Format pre-made labels
  • Suitable for 24-hour circuits in 12V and 24V systems (32V maximum)
  • Compact footprint fits in tight spaces near protected loads

Specifications:

  • Circuits: 12
  • Maximum Current: 100A per block, 30A per circuit
  • Voltage Rating: 32V DC maximum
  • Bus Fasteners: #10-32 (positive and negative)
  • Mounting: #8 screws
  • Dimensions: 6.5" L × 3.31" W × 1.5" D
  • Weight: 0.75 lbs

Blue Sea Systems backs this fuse block with a lifetime warranty. This space-saving solution is perfect for organizing and protecting auxiliary electronics, lighting circuits, pumps, and other accessories in boats, RVs, and specialty vehicles.

Products specifications

Amperage

100 Amps at 32 Volts DC

Mounting Hardware

Four #8 ScrewsATO/ATC Fuses (Sold Separately)

Type

Fuse Blocks

ISO Approved

ABYC/USCG Requirements

Warranty Details

Lifetime

Description is a little confuseing

So far so good

Just took a bit but very happy. Customer service was great!

Everything was as expected-Thank You

1st time using them Great price, great shipping. Will definitely use again

so far so good

Quick and Easy

Great transaction

so far so good Got what I ordered, Thank you.

quick and easy

Smooth transaction with best price.

Good prices, free shipping, easy to order, I like this place!

shipment came very speedy and everything was exactly as expected. All parts were in excellent condition.

great so far.

Just finished ordering, but I saved 30$ on the same product. excited to get it here.

Very fast shipping. Excellent item detail and description available before purchase. Best price on the net!

Ordered a DiabloSport tuner for my truck here, as they had the lowest prices on the web with shipping. Order was placed on Saturday and shipped Monday. Although I received my tracking number on Tuesday, I was pleasantly surprised that they had already shipped it out. Nonetheless, my transaction was flawless. I would order from them again with no doubts.

this product is simple to use makes your wiring look awesome and is a great power distribution block on the cheap

Parts arrived in a timely fashion. Packing could have been better but product arrived safely.

Best price around, very fast shipping and great service! I will buy from them again!

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