{"product_id":"blue-sea-240vac-65a-3-position-rotary-source-selector-switch","title":"Blue Sea 240VAC 65A 3-Position Rotary Source Selector Switch","description":"\u003ch2\u003eReliable Dual AC Source Management for Marine, RV, and Off-Grid Power Systems\u003c\/h2\u003e\u003cp\u003eThe \u003cstrong\u003eBlue Sea Systems 9077B Rotary AC Source Selector Switch\u003c\/strong\u003e provides dependable manual control for alternating current power distribution. Engineered for demanding environments, this heavy-duty switch allows operators to seamlessly select between two separate 120V or 240V AC power sources and route the chosen input to a single load circuit. Whether managing power between shore power and an onboard generator in a marine vessel, or switching between grid power and an inverter in an off-grid setup, this selector ensures safe, isolated transitions.\u003c\/p\u003e\u003cp\u003eIn high-amperage AC systems, preventing back-feeding and accidental source cross-connection is critical. Unlike uncertified switching components that may suffer from contact arcing or premature mechanical failure under high loads, this industrial-rated switch is specifically built to handle continuous loads up to 65A. Its intuitive three-position rotary mechanism requires only one-hand operation, passing through a positive 'OFF' position before engaging the secondary power source to protect sensitive downstream electronics and power generation equipment.\u003c\/p\u003e\u003ch3\u003eKey Features and Benefits\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDual Source Selection:\u003c\/strong\u003e Safely switches one load circuit between two independent 120V\/240V AC power sources, eliminating the risk of dangerous phase cross-connection.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh-Capacity 65A Rating:\u003c\/strong\u003e Supports substantial AC loads, making it suitable for main distribution panels in large recreational vehicles, commercial boats, and off-grid cabins.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIndustrial-Grade Construction:\u003c\/strong\u003e Features a robust blue housing and heavy-duty screw terminals designed to maintain secure, low-resistance electrical connections even in high-vibration environments.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eErgonomic One-Hand Operation:\u003c\/strong\u003e The tactile black rotary knob and clearly numbered 3-position faceplate provide immediate visual confirmation of the active power source.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStreamlined Panel Mounting:\u003c\/strong\u003e Designed for clean integration into custom or existing electrical switchboards, accommodating panel thicknesses up to 0.16\" (approx. 4.00mm).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUL Listed Compliance:\u003c\/strong\u003e Meets stringent safety and performance standards for peace of mind in professional and compliant electrical installations.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eEngineered for Harsh Electrical Environments\u003c\/h3\u003e\u003cp\u003eBlue Sea Systems is renowned across the marine and mobile power industries for producing switchgear that withstands harsh operational conditions. The compact rear housing protects the internal switching contacts while offering accessible, heavy-duty screw terminals that accept large-gauge wiring required for 65A circuits. This ensures minimal voltage drop and reduces the risk of thermal build-up at the terminal junctions.\u003c\/p\u003e\u003ch3\u003eInstallation and System Integration\u003c\/h3\u003e\u003cp\u003eThis rotary switch is designed for rear panel mounting into switchboards, distribution enclosures, or control consoles up to 0.16\" (approx. 4.00mm) thick. Please note that this unit functions strictly as an isolation and source selector switch; it does not provide overcurrent protection. For a compliant and safe electrical system, appropriate circuit breakers or fuses must be installed upstream to protect the wiring and connected appliances.\u003c\/p\u003e\u003ch3\u003eCommon Applications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMarine Vessels:\u003c\/strong\u003e Switching between dockside shore power and an onboard marine generator.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCaravans, RVs, and Motorhomes:\u003c\/strong\u003e Selecting between mains campsite hook-up and a high-output 240V inverter.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOff-Grid and Backup Power:\u003c\/strong\u003e Manually transferring loads between utility power and a backup generator in remote sheds or mobile workspaces.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eUpgrade your AC power distribution panel with the Blue Sea 65A Rotary Selector Switch to ensure safe, reliable, and compliant manual source switching across your electrical system.\u003c\/p\u003e","brand":"Blue Sea","offers":[{"title":"Default Title","offer_id":43631792226365,"sku":"BS-9077B","price":1132.56,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0602\/3918\/3933\/files\/blue-sea-3-position-rotary-ac-source-selector-65a-bs-9077b.png?v=1792904548","url":"https:\/\/www.solar4rvs.com.au\/products\/blue-sea-240vac-65a-3-position-rotary-source-selector-switch","provider":"Solar 4 RVs","version":"1.0","type":"link"}