SKU: CW20744
UPC: 632085082338
MPN: 8233
The Blue Sea 8233 Water Resistant Contura III Switch in gray is a marine-grade electrical switch engineered for reliable power distribution in harsh saltwater environments. Built to withstand vibration, shock, thermoshock, moisture, and salt spray, this single-pole double-throw switch delivers consistent on-off control across demanding boating applications where corrosion and electrical failure are constant threats. The embedded LED indicator provides visual confirmation of circuit status, eliminating guesswork during critical operations.
This switch features a momentary (ON)-OFF-(ON) action configuration, meaning the center position is off while the upper and lower positions deliver momentary on commands—ideal for applications requiring controlled activation like bilge pumps, thruster controls, or backup systems. The water-resistant design prevents corrosion buildup inside electrical enclosures where spray, washdown, and condensation are unavoidable. The gray finish resists UV degradation and maintains appearance across seasons of exposure. Compact dimensions (3 × 2 × 5 inches) allow installation in tight panel spaces typical of marine console layouts.
Weekend anglers upgrading cabin lighting or toilet pump controls and offshore operators managing complex electrical systems alike depend on Contura switches for reliability where replacement during extended trips is impractical. Blue Sea Systems has established itself as the marine electrical standard across commercial fishing fleets and recreational boat builders, making this switch a predictable choice for original equipment maintenance or custom panel builds.
The Contura III line represents the current generation of marine switch design, incorporating improved seal geometry and contact materials over earlier versions. Whether replacing a failed original switch or standardizing electrical controls across a fleet, this water-resistant switch integrates seamlessly with Blue Sea Systems busbars, panels, and protection systems.
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