{"product_id":"blue-sea-25a-a-series-single-pole-toggle-circuit-breaker-black","title":"Blue Sea 25A A-Series Single Pole Toggle Circuit Breaker - Black","description":"\u003ch2\u003eMagnetic-Hydraulic Switching and Circuit Protection\u003c\/h2\u003e\n\u003cp\u003eThe Blue Sea A-Series 25A Single-Pole Toggle Circuit Breaker delivers dependable overcurrent protection and manual switching in a single, compact device. Designed for demanding marine, RV, caravan, and off-grid electrical panels, this breaker streamlines your switchboard layout by eliminating the need for separate switches and fuse holders. By combining both functions into one robust mechanism, it reduces wiring complexity, saves valuable panel space, and minimises potential failure points across your electrical system.\u003c\/p\u003e\n\n\u003ch3\u003eWhy Magnetic-Hydraulic Technology Matters\u003c\/h3\u003e\n\u003cp\u003eUnlike standard thermal breakers that rely on heat-sensitive bimetallic strips, the A-Series utilises advanced magnetic-hydraulic operation. Standard thermal protection devices can suffer from nuisance tripping in hot engine bays, sun-exposed canopies, or unventilated electrical cabinets because high ambient temperatures prematurely affect their trip threshold. A magnetic-hydraulic mechanism operates via a magnetic coil and a silicone fluid-damped core, meaning its 25A trip profile remains consistent and unaffected by ambient temperature fluctuations. It responds strictly to actual current flow, providing predictable circuit protection across diverse Australian climates.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features and Benefits\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDual-Function Design:\u003c\/strong\u003e Combines heavy-duty manual switching and precise 25A overcurrent protection into one integrated panel-mount unit.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMagnetic-Hydraulic Operation:\u003c\/strong\u003e Delivers consistent, temperature-stable trip performance without derating in high-heat environments.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTrip-Free Safety Mechanism:\u003c\/strong\u003e Engineered so the internal contacts cannot be held closed manually during an active fault-current condition, protecting wiring and connected appliances from thermal damage.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eErgonomic Toggle Actuator:\u003c\/strong\u003e Features a tactile black toggle handle with high-contrast white OFF markings and a front-facing 25A label for immediate visual status confirmation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSecure Panel Mounting:\u003c\/strong\u003e Built with internal threaded brass inserts for straightforward, vibration-resistant installation into custom or pre-fabricated switch panels.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eEngineered for Safety and Reliability\u003c\/h3\u003e\n\u003cp\u003eIn high-vibration mobile applications such as 4WDs, camper trailers, and marine vessels, electrical safety is paramount. The integrated trip-free design is a critical risk-reduction feature. If a short circuit or severe overload occurs, the breaker will trip internally even if the toggle handle is physically held or jammed in the ON position. This prevents operators from accidentally overriding the safety mechanism before the underlying electrical fault is resolved, significantly reducing the risk of melted insulation or electrical fires.\u003c\/p\u003e\n\n\u003ch3\u003eIdeal Applications\u003c\/h3\u003e\n\u003cp\u003eWith its clean black actuator and industry-standard footprint, this 25A circuit breaker integrates seamlessly into OEM and custom distribution panels. It is widely trusted by marine electricians and mobile power builders for:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eMain and branch circuit distribution panels in boats, yachts, and marine vessels\u003c\/li\u003e\n\u003cli\u003e12V and 24V DC control panels in caravans, motorhomes, and camper trailers\u003c\/li\u003e\n\u003cli\u003eAuxiliary battery systems and canopy power setups in touring 4WDs and service vehicles\u003c\/li\u003e\n\u003cli\u003eOff-grid solar control boards and industrial equipment enclosures\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eUpgrade Your Electrical Panel\u003c\/h3\u003e\n\u003cp\u003eEquip your distribution board with professional-grade switching and circuit protection. Add the Blue Sea A-Series 25A Single-Pole Toggle Circuit Breaker to your build today for clean, reliable power management across your marine or mobile electrical system.\u003c\/p\u003e","brand":"Blue Sea","offers":[{"title":"Default Title","offer_id":43631605153853,"sku":"BS-7216B","price":32.95,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0602\/3918\/3933\/files\/blue-sea-a-series-25a-toggle-circuit-breaker-bs-7216b.png?v=1792905071","url":"https:\/\/www.solar4rvs.com.au\/products\/blue-sea-25a-a-series-single-pole-toggle-circuit-breaker-black","provider":"Solar 4 RVs","version":"1.0","type":"link"}