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Sea-Dog Line 420873-1 Surface Mount Resettable Circuit Breaker 50 Amp 48V

Manufacturer

Sea-Dog Line

<h3>About Sea-Dog Line</h3><p>Few names in the marine industry carry as much history as <strong>Sea-Dog Line</strong>. Founded in 1923 and headquartered in Everett, Washington, Sea-Dog has spent over a century engineering and supplying dependable hardware for boaters, riggers, and marine professionals. Whether you are outfitting a small fishing boat or a serious offshore vessel, Sea-Dog's expansive catalog — spanning more than 2,400 products — is built around one principle: hardware that holds up when it matters most.</p><h3>A Century of Marine Innovation</h3><p>Sea-Dog Line began as a focused marine rigging and hardware supplier, and over the decades grew into one of the most comprehensive sources for anchoring, docking, boarding, and boat-management equipment in the industry. Their product line has expanded to include antenna accessories, trailer hardware, boat hooks, cabinet and hatch fittings, chain and rigging components, and a wide range of electrical accessories — all engineered to withstand the corrosive, high-stress environment of the marine world.</p><p>What sets Sea-Dog apart is a commitment to manufacturing quality that boat owners can rely on season after season. Their hardware is designed for real-world marine use, meaning saltwater resistance, UV stability, and structural durability are never afterthoughts.</p><h3>Marine Visibility & Windshield Systems</h3><p>One of Sea-Dog's highest-demand product areas is their line of <a href="/7549-sea-dog-line-windshield-washers-wipers-replacement-motors-201195">Windshield Washers, Wipers &amp; Replacement Motors</a>. Maintaining clear visibility on the water is a safety-critical function, and Sea-Dog supplies a broad assortment of wiper blades, washer systems, and complete replacement assemblies designed to fit a wide variety of marine windshield configurations. For boaters who need a direct drive solution, Sea-Dog's dedicated <a href="/7549-sea-dog-line-windshield-wiper-motor-8824">Windshield Wiper Motors</a> offer reliable performance in wet, high-vibration marine environments — a category where component quality directly affects on-water safety.</p><h3>Cockpit Comfort & Functionality</h3><p>Beyond hardware and visibility systems, Sea-Dog also brings practical innovation to the helm and cockpit with their <a href="/7549-sea-dog-line-cockpit-fillet-tables-200274">Cockpit &amp; Fillet Tables</a>. These tables are designed to maximize usable space aboard, whether you are prepping a catch, serving guests, or simply organizing gear. Sea-Dog's tables reflect the same build philosophy as all their hardware: functional, durable, and thoughtfully designed for the marine setting.</p><h3>Why Boaters Trust Sea-Dog Line</h3><ul style="list-style:disc"><li>Over 100 years of marine hardware expertise dating back to 1923</li><li>Headquarters in Everett, Washington, with a deep understanding of Pacific Northwest and offshore boating demands</li><li>A catalog of more than 2,400 products spanning virtually every marine hardware category</li><li>Products engineered for saltwater, UV exposure, and the vibration of on-water use</li><li>Trusted by recreational boaters, commercial operators, and marine riggers alike</li></ul><p>From rigging essentials to cockpit accessories and windshield systems, Sea-Dog Line remains one of the most complete and dependable marine hardware brands available today. Explore their full product range and find the right Sea-Dog components for your vessel.</p>

Part Number

420873-1
09/21/2036 8:03 AM
Sale Price

$46.55

In Stock (10)

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Usually delivered within 2 days

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Product Details

The Sea-Dog Line 420873-1 is a heavy-duty 50-amp surface mount circuit breaker designed for marine electrical systems operating at 48 volts DC. This thermal-type circuit breaker provides reliable overcurrent protection with a convenient resettable design that eliminates the need for fuse replacement.

Key Features:

  • 50-amp current rating with 48-volt DC capacity
  • Single pole thermal breaker with 3000-ampere interrupt rating
  • Visible trip indicator shows when breaker has been activated
  • Surface mount design requires no mounting panel
  • Water-resistant and sealed construction suitable for engine compartments and bilge areas
  • Push-to-reset operation for easy recovery after overload

Dimensions:

  • A: 2-7/8"
  • B: 1-7/8"
  • C: 1-3/4"
  • D: 2-3/16"
  • E: 1-1/16"

Ideal for protecting high-amperage marine electrical circuits including windlasses, bow thrusters, inverters, and other demanding applications. The sealed, water-resistant housing ensures reliable performance in harsh marine environments where moisture and vibration are constant concerns.

Products specifications

Amps

50

Good price for specialty purchase, and quick turnaround.

Yep perfect

Quick checkout

best price around for what i wanted, thank you

Still waiting for credit on 1 of the charges to my credit card. Only ordered 1 was charged for 3. One was removed but still waiting to see if charge for 3rd one taken off credit card. No response as yet

Love the price of tires

Needed assistance with out Tax Certificate and received immediate response. Exceptional service!

So far good, waiting right now on returning the item because it's not correct.

Thanks

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