{"product_id":"blue-sea-240vac-65a-rotary-source-switch-2-position","title":"Blue Sea 240VAC 65A Rotary Source Switch, 2 Position","description":"\u003ch2\u003eReliable Manual AC Power Source Selection for Marine and Off-Grid Systems\u003c\/h2\u003e\u003cp\u003eManaging multiple alternating current power inputs requires dependable, heavy-duty switching gear to prevent dangerous cross-connection and equipment damage. The \u003cstrong\u003eBlue Sea Systems 9019B\u003c\/strong\u003e is an industrial-rated \u003cstrong\u003erotary AC source switch\u003c\/strong\u003e engineered to safely connect one of two separate 120V or \u003cstrong\u003e240VAC power sources\u003c\/strong\u003e to a single distribution circuit. Whether transitioning between shore power and an onboard generator, or managing dual inverter inputs in a mobile installation, this switch provides positive, mechanical isolation in a compact footprint.\u003c\/p\u003e\u003ch3\u003eEngineered for High-Demand Electrical Environments\u003c\/h3\u003e\u003cp\u003eUnlike standard commercial switches that may degrade under continuous high loads or vibration, this unit features a robust, heavy-duty industrial enclosure designed to withstand demanding marine and off-grid environments. Rated for a substantial \u003cstrong\u003e65A continuous current\u003c\/strong\u003e at 240VAC, it handles significant electrical loads with minimal contact resistance, reducing the risk of overheating at the terminal block during peak appliance usage.\u003c\/p\u003e\u003cp\u003eThe ergonomic rotary control knob is specifically designed for positive, one-hand operation. This ensures smooth transitions between power sources while providing clear tactile feedback as the internal contacts engage and disengage.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDual AC Source Management:\u003c\/strong\u003e Safely isolates and connects one of two distinct 120V\/240VAC inputs (such as Shore Power and Generator) to a single load circuit.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHeavy-Duty 65A Capacity:\u003c\/strong\u003e Industrial-grade internal contacts and screw terminals support high-amperage AC systems up to 65A at 240VAC.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eErgonomic One-Hand Operation:\u003c\/strong\u003e High-visibility rotary actuator allows for effortless manual switching between sources.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStreamlined Panel Mounting:\u003c\/strong\u003e Designed for clean integration into custom switchboards and electrical distribution panels up to 4.00mm (0.16in) thick.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUL Listed Compliance:\u003c\/strong\u003e Tested and certified to meet strict safety and performance standards for peace of mind in critical electrical installations.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eSystem Integration and Circuit Protection Requirements\u003c\/h3\u003e\u003cp\u003eThis \u003cstrong\u003emanual AC transfer switch\u003c\/strong\u003e is built for seamless rear-panel mounting, sitting flush with a clearly marked faceplate to give your main switchboard a professional, OEM-grade finish. It accommodates panel thicknesses up to 4.00mm (0.16in), making it suitable for both aluminium marine dashboards and composite electrical enclosures.\u003c\/p\u003e\u003cp\u003e\u003cem\u003eImportant Installation Note:\u003c\/em\u003e This rotary switch is a pure isolation and routing device and does not contain integrated overcurrent protection. It is strictly intended for installations where appropriate circuit protection (such as AC main circuit breakers or fuses) is provided elsewhere in the upstream system.\u003c\/p\u003e\u003ch3\u003eIdeal Applications\u003c\/h3\u003e\u003cp\u003eBecause it physically separates incoming AC feeds, the Blue Sea 9019B eliminates the risk of back-feeding power into an inactive generator or shore power pedestal. It is widely specified by marine electricians and off-grid system designers for:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMarine Vessels:\u003c\/strong\u003e Selecting between dockside shore power and an auxiliary marine generator.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRVs and Fifth Wheelers:\u003c\/strong\u003e Managing power input between caravan park mains and a portable inverter generator.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOff-Grid Cabins and Tiny Homes:\u003c\/strong\u003e Switching a primary AC sub-panel between an off-grid solar inverter and a backup diesel generator.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecialist Service Vehicles:\u003c\/strong\u003e Controlling 240VAC power distribution in mobile workshops, broadcast vans, and emergency response units.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eUpgrade Your AC Power Distribution\u003c\/h3\u003e\u003cp\u003eEnsure safe, compliant, and effortless control over your alternating current inputs. Integrate the Blue Sea 240VAC 65A Rotary AC Source Switch into your electrical panel today for dependable manual power management.\u003c\/p\u003e","brand":"Blue Sea","offers":[{"title":"Default Title","offer_id":43631791833149,"sku":"BS-9019B","price":897.81,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0602\/3918\/3933\/files\/blue-sea-65a-rotary-ac-source-switch-bs-9019b.png?v=1792904550","url":"https:\/\/www.solar4rvs.com.au\/products\/blue-sea-240vac-65a-rotary-source-switch-2-position","provider":"Solar 4 RVs","version":"1.0","type":"link"}