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Blue Sea Systems 5257-BSS MIDI/AMI Fuse 125 Amp

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

5257-BSS
06/01/2036 7:04 AM
Sale Price

$9.12

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 5257-BSS is a 125 amp MIDI/AMI style automotive fuse designed for high-current circuit protection in marine, automotive, and other 12V/24V DC electrical systems. This fuse provides reliable overcurrent protection for critical electrical circuits and equipment.

Key Features:

  • 125 amp current rating for high-current applications
  • MIDI/AMI fuse format compatible with standard MIDI fuse holders and blocks
  • Designed for 32 volt DC systems (suitable for both 12V and 24V applications)
  • Color-coded housing for easy amperage identification
  • Meets automotive and marine electrical standards
  • Reliable blade-style contact design for secure connections

Blue Sea Systems fuses are engineered for demanding marine and mobile electrical environments, providing dependable circuit protection to prevent equipment damage and electrical fires. The MIDI/AMI format is commonly used in distribution blocks, main circuit protection, and other high-amperage applications where space efficiency and reliability are essential.

I really like using Lucas products

Ordered got shipped out quick came in time overall very satisfied and will recommend to all my jeep club friends for there off road needs

Very easy

Price was very reasonable. Original OEM product. Quick ship time. I was very pleased with Boatplicity and I will definitely purchase from them again.

Fine

Excellent

The carton for the unit looked as if the box gad sat in water for so.e time. But luckily did not effect the unit inside.

The Item I ordered arrived in good shape and is now being installed. The customer service was great.

Easy to use website, good prices

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