{"product_id":"blue-sea-25a-a-series-single-pole-toggle-circuit-breaker-white","title":"Blue Sea 25A A-Series Single Pole Toggle Circuit Breaker - White","description":"\u003ch2\u003eReliable Magnetic Hydraulic Circuit Protection and Switching\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eBlue Sea A-Series 25A Single-Pole Toggle Circuit Breaker\u003c\/strong\u003e delivers industry-standard electrical protection and manual switching in a single, compact device. Designed specifically for integration into Blue Sea Systems electrical panels and custom distribution boards, this dual-function component eliminates the need for separate switches and fuses. Whether you are outfitting a marine vessel, a caravan, an RV, or a specialised off-grid power system, the A-Series provides dependable overcurrent protection for your critical 25A electrical loads.\u003c\/p\u003e\n\n\u003ch3\u003eThe Magnetic Hydraulic Advantage\u003c\/h3\u003e\n\u003cp\u003eUnlike standard thermal circuit breakers that rely on heat-sensitive bimetallic strips, this \u003cstrong\u003emagnetic hydraulic circuit breaker\u003c\/strong\u003e operates using a solenoid coil and a damped hydraulic core. Because its tripping mechanism is driven by magnetic force rather than heat, it is unaffected by high ambient temperatures. In hot engine bays, enclosed marine electrical lockers, or sun-baked caravan canopies, thermal units often suffer from nuisance tripping at currents well below their rating. The Blue Sea A-Series maintains a consistent trip curve regardless of surrounding temperatures, ensuring your equipment operates reliably when you need it most.\u003c\/p\u003e\n\u003cp\u003eAdditionally, the internal hydraulic fluid dampens the core movement to provide a controlled time delay. This allows the breaker to tolerate harmless, momentary inrush currents from motors, pumps, or inductive loads without disconnecting, while still reacting instantaneously to dangerous short-circuit faults.\u003c\/p\u003e\n\n\u003ch3\u003eEngineered for Safety with Trip-Free Operation\u003c\/h3\u003e\n\u003cp\u003eSafety is paramount in high-energy DC and AC electrical systems. This \u003cstrong\u003e25A toggle circuit breaker\u003c\/strong\u003e incorporates a mechanical \"trip-free\" design. In the event of an electrical overload or direct short circuit, the internal contacts will disconnect even if the white toggle actuator is physically held or wedged in the ON position. This critical safety feature mitigates the risk of cable overheating, insulation damage, and electrical fires by preventing operators from manually overriding a fault condition.\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 circuit switching and precise overcurrent protection into one panel-mounted unit.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMagnetic Hydraulic Mechanism:\u003c\/strong\u003e Provides temperature-stable performance without derating in hot marine or automotive environments.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTrip-Free Safety Mechanism:\u003c\/strong\u003e Internal contacts cannot be held closed during a fault-current event, protecting wiring and connected appliances.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eRobust Panel Installation:\u003c\/strong\u003e Features integrated brass threaded mounting inserts at the front and reliable rear-facing screw terminals for secure line and load connections.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eClear Visual Indication:\u003c\/strong\u003e Ergonomic white toggle actuator clearly displays the 25A rating and provides distinct visual and tactile feedback for ON and OFF positions.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eGlobal Compliance:\u003c\/strong\u003e Meets rigorous international safety standards, including ABYC requirements, UL 1077 recognition, TUV certification, CE marking, and CSA certification.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eIdeal Applications for Marine and Off-Grid Systems\u003c\/h3\u003e\n\u003cp\u003eThe Blue Sea Systems A-Series is widely recognised as the benchmark for panel-mounted circuit protection in demanding environments. Its compact footprint and front-panel mounting hardware make it ideal for:\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eMarine AC and DC main or branch distribution panels\u003c\/li\u003e\n  \u003cli\u003eCaravan, camper trailer, and motorhome control boards\u003c\/li\u003e\n  \u003cli\u003e4WD dual-battery canopies and auxiliary power distribution\u003c\/li\u003e\n  \u003cli\u003eSpecialist industrial equipment and off-grid solar enclosures\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eUpgrade Your Electrical Panel\u003c\/h3\u003e\n\u003cp\u003eProtect your wiring harness and appliances with professional-grade components. Add the Blue Sea A-Series 25A Single-Pole Toggle Circuit Breaker to your build today for safe, standards-compliant electrical distribution.\u003c\/p\u003e","brand":"Blue Sea","offers":[{"title":"Default Title","offer_id":43631605547069,"sku":"BS-7218B","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-7218b.png?v=1792905087","url":"https:\/\/www.solar4rvs.com.au\/products\/blue-sea-25a-a-series-single-pole-toggle-circuit-breaker-white","provider":"Solar 4 RVs","version":"1.0","type":"link"}