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Sea-Dog Line 420842-1 Inline Resettable Circuit Breaker 12V/24V Marine

Manufacturer

Sea-Dog Line

<h3>About Sea-Dog Line</h3><p>Few names in the marine hardware world carry the same weight as <strong>Sea-Dog Line</strong>. Rooted in the early 1920s and headquartered in Everett, Washington, the company traces its origins to a uniquely inventive sales strategy: its founder, Hans &ldquo;Action&rdquo; Broson Sneve, showcased marine hardware by sailing his wares up and down the Pacific Coast aboard the M.V. Sea-Dog &mdash; a 55-foot cruiser that became the brand&rsquo;s namesake. That spirit of hands-on, on-the-water ingenuity has defined Sea-Dog ever since.</p><p>Today, Sea-Dog Line operates as the Sea-Dog Corporation, a third-generation family business that has expanded from a regional Pacific Coast distributor into a nationally recognized supplier of marine, industrial, and rigging hardware. The company serves everyone from professional shipbuilders to weekend boaters, earning repeat recognition from the National Marine Distributors Association for its supply chain standards and product quality.</p><h3>What Sea-Dog Line Makes</h3><p>Sea-Dog&rsquo;s catalog is remarkably broad. At its core, the brand specializes in providing hardware that must hold up in some of the harshest environments on earth &mdash; saltwater, UV radiation, temperature swings, and constant vibration. To meet those demands, Sea-Dog builds its products from marine-grade materials including 304 and 316 stainless steel, investment-cast bronze, chrome-plated brass, and UV-resistant injection-molded polymers.</p><p>The product lineup spans anchoring and docking hardware, deck fittings, cabin and hatch hardware, chain and rigging components, electrical panels, lighting, plumbing fittings, ventilation equipment, boat hooks, rod holders, and much more. Whether you&rsquo;re outfitting a new build or replacing a worn component, Sea-Dog likely has the part you need.</p><p>Among Sea-Dog&rsquo;s most well-regarded marine electrical and windshield products is their comprehensive lineup of <a href="/7549-sea-dog-line-windshield-wiper-motor-8824">Windshield Wiper Motors</a>. Engineered specifically for the marine environment, these motors feature corrosion-resistant aluminum and stainless steel construction, adjustable sweep angles, and a &ldquo;coast-to-park&rdquo; function that automatically returns the blade to its set position when power is cut &mdash; exactly the kind of thoughtful design detail that sets Sea-Dog apart from generic alternatives.</p><h3>Why Boaters Trust Sea-Dog Line</h3><p>Sea-Dog&rsquo;s longevity in the marine hardware market is no accident. The brand has built its reputation on producing components that align with ABYC (American Boat and Yacht Council) standards, giving boat builders and DIY installers confidence that each part meets recognized safety benchmarks. Products are designed for both recreational and commercial applications, meaning whether you&rsquo;re a weekend angler or a working captain, Sea-Dog hardware is built for your level of use.</p><p>With over a century in the marine industry, an ever-expanding product catalog, and a family-run culture that keeps quality at the forefront, Sea-Dog Line remains one of the most trusted names on the water. Browse the full Sea-Dog lineup to find the right hardware for your vessel.</p>

Part Number

420842-1
09/10/2036 10:20 PM
Sale Price

$9.86

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 Sea-Dog Line 420842-1 is an inline resettable circuit breaker designed for marine applications requiring higher amperage protection. This marine-grade circuit breaker features a manual reset button that allows for quick restoration of power after an overload condition is cleared.

Key Features:

  • Ignition protected design safe for installation on gasoline-powered boats
  • Compatible with both 12V and 24V DC electrical systems
  • Manual reset button for convenient circuit restoration
  • Durable injection-molded nylon construction for corrosion resistance
  • Inline mounting design for easy integration into electrical circuits
  • Designed for higher amperage marine accessories and equipment

This circuit breaker provides reliable overcurrent protection for marine electrical systems while meeting ignition protection standards for safe use in potentially explosive environments. The resettable design eliminates the need for fuse replacement, reducing maintenance costs and downtime.

Products specifications

Amps

20

Description

Breaker

Fast and easy

Autoplicity ships fast and has quality products for great prices. I am very pleased with their degree of service. A+++

Great price

Great service

The ordering process was very simple and the prices could not be beat. The processing time to ship the order was a little longer than usual, but for the price savings, it was well worth it!

Great business, fast shipping. I received the item in about 2-3 days.

Thank you.

Right item, right price !

First time user and was great and ease

Recommended by a fellow RegalGS member. Cheaper than Amazon. I haven't had the opportunity to put them on yet, but everything looks good.

I feel it was a smooth transaction

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

no place to put discount shipping code

Great service, and the best price. I had the item in a week thanks guys.

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