{"product_id":"blue-sea-contura-2-spdt-on-off-on-panel-mount-switch-black","title":"Blue Sea Contura 2 SPDT (ON)OFF(ON) Panel Mount Switch, Black","description":"\u003ch2\u003eHeavy-Duty Momentary Rocker Switching for Harsh Marine and Off-Grid Environments\u003c\/h2\u003e\n\u003cp\u003eEngineered for demanding electrical systems, the \u003cstrong\u003eBlue Sea Systems Contura 2 SPDT\u003c\/strong\u003e switch delivers dependable dual-action momentary control. In electrical nomenclature, parentheses around a switch state denote momentary action. This \u003cstrong\u003e(ON)-OFF-(ON) configuration\u003c\/strong\u003e means the actuator springs back to the central OFF position automatically when released from either direction. This makes the unit indispensable for precise, temporary circuit activation where leaving a circuit engaged could cause equipment damage or battery drain.\u003c\/p\u003e\n\u003cp\u003eWhether you are fitting out a commercial marine vessel, wiring a custom 4WD canopy, or upgrading an off-grid caravan control panel, this \u003cstrong\u003emomentary rocker switch\u003c\/strong\u003e provides the tactile feedback and mechanical durability required for critical operations. Standard automotive switches frequently fail when exposed to coastal air, heavy corrugations, or washdowns. By integrating a specialised weatherproof gasket and internal seals, this Contura II series switch actively prevents moisture ingress and salt spray corrosion, significantly reducing the risk of short circuits and premature terminal failure.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features and Technical Benefits\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDual Momentary Action:\u003c\/strong\u003e Single Pole Double Throw (SPDT) design with spring-return to a positive centre-off position for safe, temporary circuit actuation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eExtreme Environmental Resistance:\u003c\/strong\u003e Purpose-built to withstand continuous vibration, mechanical shock, thermoshock, moisture, and corrosive salt spray.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eErgonomic Contura II Actuator:\u003c\/strong\u003e Features a black rocker face with raised tactile bumps, ensuring a secure, non-slip grip even with wet or gloved hands.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIntegrated Weatherproof Gasket:\u003c\/strong\u003e Seals tightly against the mounting surface to protect behind-panel wiring from dust and water ingress.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStreamlined Installation:\u003c\/strong\u003e Equipped with rear quick-connect blade terminals and a snap-in panel mount latch for rapid integration into standard cutouts.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eIdeal Applications for (ON)-OFF-(ON) Switching\u003c\/h3\u003e\n\u003cp\u003eBecause the switch only completes the circuit while actively held by the operator, it is the industry standard for directional and bi-directional equipment. Common installations across \u003cstrong\u003e12V and 24V electrical systems\u003c\/strong\u003e include:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMarine Vessels:\u003c\/strong\u003e Controlling anchor windlasses (up\/down), hydraulic trim tabs, power tilt systems, and manual bilge pump overrides.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e4WD and Utility Vehicles:\u003c\/strong\u003e Operating recovery winches (in\/out), pneumatic air locker compressors, or motorised radio antennas.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCaravans and RVs:\u003c\/strong\u003e Managing slide-out room mechanisms, electric stabiliser legs, and motorised awnings.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSeamless Panel Integration\u003c\/h3\u003e\n\u003cp\u003eDesigned for clean, professional dashboard and console layouts, this switch snaps directly into \u003cstrong\u003eBlue Sea Systems Contura Water Resistant Panels\u003c\/strong\u003e and Contura Switch Mounting Panels. The robust rear blade terminals allow for straightforward crimping and reliable conductivity, minimising voltage drop across your switching circuits.\u003c\/p\u003e\n\n\u003ch3\u003eUpgrade Your Control Panel\u003c\/h3\u003e\n\u003cp\u003eEquip your vessel or vehicle with switching hardware designed to survive the toughest Australian conditions. Add the Blue Sea Contura 2 SPDT Momentary Switch to your setup today for safe, responsive, and weather-resistant circuit control.\u003c\/p\u003e","brand":"Blue Sea","offers":[{"title":"Default Title","offer_id":43631721840701,"sku":"BS-7933B","price":27.8,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0602\/3918\/3933\/files\/blue-sea-contura-2-spdt-rocker-switch-bs-7933b.png?v=1792905489","url":"https:\/\/www.solar4rvs.com.au\/products\/blue-sea-contura-2-spdt-on-off-on-panel-mount-switch-black","provider":"Solar 4 RVs","version":"1.0","type":"link"}