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Blue Sea Systems 5251 MIDI/AMI Fuse 40 Amp (Pair)

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

5251
06/01/2036 11:52 AM
Sale Price

$7.39

In Stock (10+)

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Usually delivered within 2 days

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No Hassle Returns

No Hassle Returns

Live-in-stock inventory

Live-in-stock inventory

Fitment guaranteed

Fitment guaranteed

Product Details

The Blue Sea Systems 5251 MIDI/AMI Fuse provides reliable 40-amp circuit protection in a compact design. This pair of fuses is engineered for marine and automotive DC electrical systems where space is at a premium and reliable overcurrent protection is essential.

Key Features:

  • 40-amp rating in compact MIDI/AMI fuse format (pair included)
  • Tin-plated copper terminals resist corrosion in harsh marine environments
  • Clear polycarbonate cover provides visual indication of blown fuse element
  • Color-coded body for quick amperage identification during installation and troubleshooting
  • Ignition protected to SAE J1171 standard when used with Blue Sea Systems SafetyHub products
  • Compatible with standard MIDI/AMI fuse holders and distribution blocks

Blue Sea Systems fuses are designed to meet the demanding requirements of marine electrical systems, offering dependable protection for critical circuits including battery charging systems, inverters, windlasses, and high-current accessories.

Its online. Its easy. Duh

So easy and quick.

very easy to find what i needed

fairly easy, shipping was expensive though

Easy to place my order and find the right parts that fit my vehicle.

Great price and easy ordering. Cant wait for my nudge bar.

Quick and easy!

I was very pleased with the way my order was handled. I will definitely use them again.

Item arrived in good condition and in a timely manner.

I purchased a Volant Cool Air Intake Kit for my truck. Autoplicity had the best prices by far! Shipping costs were very reasonable and my order shipped quickly. I'll order more from them in the future.

do it..! thee cheapest -price wise-, fastest, and most legit site out there. googed my product, found it as the cheapest, and ordered... i got a tracking number hours later. i will order from these guys again mos deff.<br>!<br><br>7346 minh nguyen!

Excellent and very quick service. I could not find this product in stock from any other supplier so I kept hunting. I found Autoplicity and from now on they are the first company I will try. Thank you.

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