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Sea-Dog Line 420218-1 Contura DPDT Rocker Switch Illuminated On/Off/On

Manufacturer

Sea-Dog Line

<p>For over a century, Sea-Dog Line has stood as a cornerstone of the marine hardware industry, delivering innovative solutions that meet the demanding needs of recreational and commercial boaters. Founded in the early 1920s by entrepreneur Hans "Action" Broson Sneve, the company began with a unique sales approach—showcasing marine hardware aboard a 55-foot cruiser that sailed from Alaska to Mexico. This hands-on philosophy continues to shape Sea-Dog's commitment to producing hardware that performs reliably in the harshest saltwater environments.</p><h3>Industry-Leading Marine Hardware Manufacturing</h3><p>Based in Everett, Washington, Sea-Dog Corporation operates a 75,000-square-foot warehouse stocking over 8 million parts and runs an injection molding facility with 16 machines producing more than 17 million components annually. The company's extensive product line spans anchoring systems, deck hardware, electrical components, plumbing fittings, and lighting solutions—all engineered with marine-grade materials like stainless steel, brass, and UV-resistant polymers. Sea-Dog's recognition as a multiple-time NMDA Supplier of the Year underscores the brand's excellence in both product quality and customer service, while their on-staff ABYC-certified marine technician provides invaluable installation and technical support.</p><h3>Premium Marine Components for Every Vessel</h3><p>Sea-Dog's <a href="/7549-sea-dog-line-windshield-washers-wipers-replacement-motors-201195">windshield washers, wipers, and replacement motors</a> deliver crystal-clear visibility during inclement weather, with both manual and electric options featuring corrosion-resistant stainless steel arms and UV-stable blades designed specifically for marine windshield applications. Their <a href="/7549-sea-dog-line-electric-horns-200351">electric horns</a> include the popular MaxBlast line, which passed rigorous 600-hour salt spray testing while meeting US Coast Guard COLREGS and ABYC standards for audible warning devices. For fuel and water system integrity, Sea-Dog's <a href="/7549-sea-dog-line-deck-fills-200307">deck fills</a> provide secure, leak-free access points constructed from durable stainless steel with snap-in designs that resist corrosion in saltwater environments.</p><p>When maneuvering in low-light conditions, Sea-Dog's <a href="/7549-sea-dog-line-docking-lights-200335">docking lights</a> offer bright LED illumination with minimal power draw, featuring injection-molded housings that withstand impacts and temperature extremes. Proper airflow is essential for preventing moisture buildup below deck, and Sea-Dog's <a href="/7549-sea-dog-line-hose-and-cowl-vents-200534">hose and cowl vents</a> deliver reliable ventilation with low-profile designs that include snap-in deck plates for bilge applications or dorade box compatibility for cabin use. Each product reflects Sea-Dog's century-long dedication to manufacturing hardware that recreational and professional mariners can trust, voyage after voyage.</p>

Part Number

420218-1
06/01/2036 1:58 PM
Sale Price

$19.74

In Stock (10+)

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Usually delivered within 2 days

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No Hassle Returns

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Fitment guaranteed

Fitment guaranteed

Product Details

The Sea-Dog Line 420218-1 is a marine-grade Contura® rocker switch featuring a Double Pole Double Throw (DPDT) configuration with illuminated On/Off/On functionality. This heavy-duty switch is engineered specifically for harsh marine environments where reliability is critical.

Construction and Durability:

  • Injection molded nylon housing provides superior strength and corrosion resistance
  • Stamped brass terminals with silver tin oxide contacts ensure reliable electrical performance
  • Designed to withstand vibration, shock, thermoshock, moisture, and salt spray exposure
  • Wide operating temperature range from -40°C to +85°C (-40°F to +185°F)

Safety and Compliance:

  • UL1500 certified for marine electrical systems
  • ISO 8846 ignition protection compliant for safe use in marine products
  • Built to meet stringent marine safety standards

The DPDT On/Off/On configuration allows you to control two separate circuits from a single switch, with illumination providing clear status indication even in low-light conditions. Ideal for navigation lights, bilge pumps, electrical panels, and other marine electrical applications requiring dual circuit control.

Products specifications

Positions

On/Off/On

Terminals

7 Blades

Type

DPDT

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