{"product_id":"blue-sea-120-240vac-30a-rotary-source-selector-switch-2-position-off","title":"Blue Sea 120\/240VAC 30A Rotary Source Selector Switch, 2 Position + Off","description":"\u003ch2\u003eReliable AC Power Management for Marine and Off-Grid Installations\u003c\/h2\u003e\n\u003cp\u003eManaging multiple alternating current power inputs requires dependable, safe switching hardware to protect sensitive onboard electronics and electrical appliances. The \u003cstrong\u003eBlue Sea Systems 6337B\u003c\/strong\u003e is an industrial-grade \u003cstrong\u003eAC rotary source selector switch\u003c\/strong\u003e engineered to simplify complex power distribution. Designed specifically for systems utilising dual 120V AC shore power inputs or a single 240V AC source, this unit seamlessly routes power to serve two distinct 120V AC load groups. By consolidating source selection into a single, intuitive panel-mounted control, it eliminates the hazards of manual rewiring and prevents accidental back-feeding between incompatible power supplies such as shore power pedestals and onboard generators.\u003c\/p\u003e\n\n\u003ch3\u003eSafe Dual-Conductor Switching Architecture\u003c\/h3\u003e\n\u003cp\u003eUnlike standard single-pole switches that only interrupt the active line, this heavy-duty \u003cstrong\u003emarine AC selector switch\u003c\/strong\u003e simultaneously switches both the hot (active) and neutral conductors. In marine, RV, and specialised off-grid environments, isolating the neutral conductor alongside the active conductor is critical for preventing stray current corrosion, ground loops, and reverse polarity issues across different power sources. With a continuous rating of 30A, the internal contact architecture ensures minimal voltage drop and secure load transfer.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDual-Conductor Isolation:\u003c\/strong\u003e Simultaneously switches both hot and neutral lines to maintain complete electrical isolation between sources.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eComplex Source Routing:\u003c\/strong\u003e Connects two 120V AC shore power sources or one 240V AC source to two independent 120V AC load groups.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eErgonomic One-Hand Operation:\u003c\/strong\u003e Features a contoured rotary handle and a clearly labelled faceplate (Shore, Off, Generator) for effortless, mistake-free transitions.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRecessed Terminal Block:\u003c\/strong\u003e Modular, stackable blue enclosure houses recessed screw terminals to prevent accidental contact and ensure high-vibration wire retention.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVersatile Panel Mounting:\u003c\/strong\u003e Engineered for straightforward rear-panel installation into switchboards and bulkheads up to 0.16\" (approx. 4.00mm) thick.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCertified Compliance:\u003c\/strong\u003e Fully UL listed for verified electrical safety and peace of mind in demanding commercial and recreational fit-outs.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eEngineered for Demanding Switchboard Environments\u003c\/h3\u003e\n\u003cp\u003eBuilt to withstand the rigours of mobile and marine environments, the switch features a robust, modular terminal block housing that protects internal contacts from dust and accidental shorting during installation or maintenance. The recessed connection terminals securely clamp heavy-gauge AC wiring, reducing the risk of loose connections caused by hull impacts or road vibrations. The high-contrast black faceplate provides immediate visual confirmation of the active power source, allowing operators to transition safely through the central \"Off\" position before engaging an alternate supply.\u003c\/p\u003e\n\n\u003ch3\u003eImportant Installation Considerations\u003c\/h3\u003e\n\u003cp\u003eThis rotary switch is designed purely as an isolation and source-transfer mechanism. Please note that overcurrent circuit protection is not integrated into this unit and must be provided elsewhere within your AC distribution panel using appropriately rated circuit breakers or fuses. While ideal for international vessels, imported fifth-wheel RVs, and specialised industrial split-phase setups operating on 120V\/240V AC configurations, installers should verify compatibility with local Australian 230V\/240V single-phase wiring standards prior to installation.\u003c\/p\u003e\n\n\u003ch3\u003eUpgrade Your AC Power Distribution\u003c\/h3\u003e\n\u003cp\u003eEnsure safe, compliant, and effortless transitions between your shore power and generator supplies. Integrate the Blue Sea 30A Rotary Source Selector Switch into your custom electrical panel today for professional-grade AC source management.\u003c\/p\u003e","brand":"Blue Sea","offers":[{"title":"Default Title","offer_id":43631570288701,"sku":"BS-6337B","price":502.44,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0602\/3918\/3933\/files\/blue-sea-30a-ac-rotary-source-selector-switch-bs-6337b.png?v=1792903886","url":"https:\/\/www.solar4rvs.com.au\/products\/blue-sea-120-240vac-30a-rotary-source-selector-switch-2-position-off","provider":"Solar 4 RVs","version":"1.0","type":"link"}