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Sierra FS82040 ANL Fuse 250 Amp Marine Ignition Protected

Manufacturer

Sierra

<h3>Sierra: Six Decades of Marine Aftermarket Excellence</h3><p><strong>Sierra</strong> has spent nearly 60 years earning its reputation as one of the most trusted names in the marine aftermarket industry. Originally focused on engine and drive components for boats, the brand has grown into a comprehensive source for nearly everything a boater needs to keep their vessel running at its best — from precision instrumentation to complete engine rebuild hardware.</p><p>Now operating as a brand of Dometic, Sierra manages global aftermarket distribution from a 300,000 sq. ft. facility in Litchfield, Illinois. The Sierra brand today encompasses not only its flagship marine parts line but also well-established marine names like Shields and Moeller, offering boaters a broader catalog than ever before. Whether you own an outboard, inboard, or sterndrive, Sierra's engineering team designs products to meet or exceed OEM specifications.</p><h3>Precision Instrumentation You Can Trust on the Water</h3><p>One of Sierra's most recognized product areas is its marine instrumentation lineup. The brand's <a href="/7570-sierra-gauge-set-1480">gauge sets</a> cover everything from classic analog instrument clusters to advanced digital multi-function displays. Sierra offers packages suited to outboards, sterndrives, and gasoline-powered inboards, with options ranging from coordinated analog kits in styles like Arctic, Eclipse, and Amega to modern touchscreen solutions like the R3 multi-function gauge. Features such as scratch-resistant domed glass lenses, silicone-dampened pointers, and perimeter backlighting make these instruments highly readable in all conditions.</p><p>Behind every accurate gauge reading is a properly calibrated sending circuit. Sierra's <a href="/7570-sierra-gauge-resistor-47908">gauge resistors</a> are a critical part of that chain, ensuring the signals from sensors and sending units are correctly interpreted by your instruments. These components are built to marine-grade standards to resist moisture, vibration, and corrosion — the realities of life on the water.</p><h3>Engine Internals Built to OEM Standards</h3><p>Sierra's history in marine power is perhaps best demonstrated by its deep catalog of engine components. The brand's <a href="/7570-sierra-engine-gasket-set-5404">engine gasket sets</a> cover a wide range of outboard and inboard applications and are engineered to deliver reliable seals in the demanding thermal and chemical environment of a marine engine. For boaters performing seasonal overhauls, top-end rebuilds, or full engine restorations, Sierra gasket kits are a go-to resource trusted by professional marine technicians and DIY boaters alike.</p><h3>A Complete Marine Parts Partner</h3><p>Beyond instrumentation and engine internals, Sierra's catalog spans fuel systems, electrical supplies, steering components, shore power, and more — all covered by what the brand calls an industry-leading warranty. Sierra also maintains a comprehensive parts-finder tool that enables cross-referencing with OEM part numbers from major manufacturers including Mercury, Yamaha, Suzuki, Volvo Penta, and others, making it straightforward to find the right replacement part for virtually any application.</p>

Part Number

FS82040
09/12/2036 9:26 AM
Sale Price

$68.93

3 left at this price

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Usually delivered within 2 days

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No Hassle Returns

Live-in-stock inventory

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Fitment guaranteed

Fitment guaranteed

Product Details

The Sierra FS82040 is a heavy-duty 250 amp ANL (Automotive Nickel Link) fuse designed for marine electrical systems and high-current applications. ANL fuses are commonly used to protect primary power distribution circuits, battery banks, and inverter systems in boats, RVs, and other marine and automotive applications.

Key Features:

  • Ceramic body construction provides superior insulation and heat resistance
  • Brass, gold-plated contact elements ensure excellent electrical conductivity and corrosion resistance
  • Ignition Protected rating meets ISO 8846 marine safety standards
  • 100% current rating for minimum 4 hours of continuous operation
  • 150% current rating (375 amps) for minimum 60 seconds before activation
  • 200% current rating (500 amps) for minimum 15 seconds before activation

This fuse is engineered to provide reliable overcurrent protection in demanding marine environments where moisture, vibration, and temperature extremes are common. The gold-plated brass elements resist corrosion while maintaining optimal electrical contact, and the ceramic body withstands high temperatures during overload conditions. Ideal for protecting batteries, inverters, windlasses, and other high-amperage equipment on boats and marine vessels.

Products specifications

Amps

250

Great!

dope

Great over all experence

Happy with the experience. Hopefully quick delivery.

My first order here and so far I'm very please with my shopping experience, now I just have to see how quickly I receive my product.

easy checkout

Good

thanks for last night!!!

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