{"product_id":"blue-sea-2-5a-a-series-single-pole-flat-rocker-circuit-breaker","title":"Blue Sea 2.5A A-Series Single-Pole Flat Rocker Circuit Breaker","description":"\u003ch2\u003eIntegrated Magnetic Hydraulic Switching and Circuit Protection\u003c\/h2\u003e\n\u003ch3\u003ePrecision 2.5A Overcurrent Protection for Marine, Caravan, and Off-Grid Panels\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003eBlue Sea A-Series 2.5A Single-Pole Flat Rocker Circuit Breaker\u003c\/strong\u003e offers an integrated solution that combines manual ON\/OFF circuit switching with precise overcurrent protection in one compact unit. Engineered for demanding electrical environments, this unit eliminates the need to wire separate switches and fuse holders, streamlining your distribution panel layout and reducing potential points of failure.\u003c\/p\u003e\n\u003cp\u003eWith its low-profile 2.5A rating, this breaker is specifically suited for protecting low-draw, sensitive electronics such as navigation instruments, telemetry modules, tank monitors, LED status lighting, and relay control circuits in marine vessels, caravans, and specialised industrial vehicles.\u003c\/p\u003e\n\u003ch3\u003eWhy Choose Magnetic Hydraulic Technology?\u003c\/h3\u003e\n\u003cp\u003eUnlike standard thermal circuit breakers that rely on heat-sensitive bimetallic strips, this Blue Sea A-Series breaker utilises an internal \u003cstrong\u003emagnetic hydraulic mechanism\u003c\/strong\u003e. Standard thermal devices can suffer from nuisance tripping in hot engine bays or enclosed electrical cabinets, or fail to trip promptly in freezing conditions. The magnetic hydraulic operation senses only the actual current flow, ensuring consistent, reliable tripping thresholds regardless of ambient temperature fluctuations.\u003c\/p\u003e\n\u003cp\u003eFurthermore, the integrated \u003cstrong\u003etrip-free design\u003c\/strong\u003e is a critical safety feature for high-compliance electrical systems. In the event of a dangerous fault or short circuit, the internal mechanism will trip open and cannot be manually held in the ON position. This prevents operators from accidentally overriding the safety mechanism and causing thermal damage to wiring harnesses or sensitive downstream equipment.\u003c\/p\u003e\n\u003ch3\u003eKey Features and Benefits\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDual-Function Design:\u003c\/strong\u003e Combines dependable ON\/OFF switching and precise 2.5A overcurrent protection into a single panel-mounted device.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMagnetic Hydraulic Operation:\u003c\/strong\u003e Delivers accurate, temperature-independent trip performance across varied Australian climates.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlush Flat Rocker Actuator:\u003c\/strong\u003e Sits flush in the ON position to prevent accidental switching in tight walkways or rough seas, with clear I\/O markings and colour visibility when in the OFF state.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTrip-Free Safety Mechanism:\u003c\/strong\u003e Ensures the circuit breaker will trip during a fault current condition even if the actuator is physically held in the ON position.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSecure Panel Mounting:\u003c\/strong\u003e Features integrated brass threaded inserts for durable, vibration-resistant attachment to custom switch panels and distribution boards.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eErgonomic Design Built for Harsh Environments\u003c\/h3\u003e\n\u003cp\u003eIn mobile and marine applications, accidental deactivation of critical circuits is a common hazard. The A-Series flat rocker actuator is engineered to sit completely flush with the bezel when switched ON. This low-profile geometry minimises the risk of snags or unintended bumps turning off vital instrumentation. When switched OFF or tripped, the angled actuator exposes its contrasting colour portion, providing immediate visual confirmation of the circuit status at a glance.\u003c\/p\u003e\n\u003cp\u003eInstallation is straightforward and secure thanks to the integrated brass threaded mounting inserts built directly into the black housing. This robust construction resists stripping and loosening under the constant vibration typical of 4WD corrugations and marine wave impacts, outperforming standard snap-in switches.\u003c\/p\u003e\n\u003ch3\u003eIdeal Applications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eMarine helm stations and main AC\/DC power distribution panels\u003c\/li\u003e\n\u003cli\u003eCaravan, camper trailer, and motorhome 12V and 24V control boards\u003c\/li\u003e\n\u003cli\u003eProtection for sensitive navigation, GPS, and communication receivers\u003c\/li\u003e\n\u003cli\u003eLow-current monitoring systems, bilge alarm circuits, and sensor arrays\u003c\/li\u003e\n\u003cli\u003eSpecialised emergency, commercial, and off-grid industrial equipment\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eUpgrade Your Electrical Panel Protection\u003c\/h3\u003e\n\u003cp\u003eEquip your vessel or off-grid vehicle with professional-grade circuit management. Add the Blue Sea A-Series 2.5A Flat Rocker Circuit Breaker to your build today for reliable, temperature-stable protection on your next installation.\u003c\/p\u003e","brand":"Blue Sea","offers":[{"title":"Default Title","offer_id":43631623045181,"sku":"BS-7399B","price":40.16,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0602\/3918\/3933\/files\/blue-sea-a-series-2-5a-flat-rocker-circuit-breaker-bs-7399b.png?v=1792905034","url":"https:\/\/www.solar4rvs.com.au\/products\/blue-sea-2-5a-a-series-single-pole-flat-rocker-circuit-breaker","provider":"Solar 4 RVs","version":"1.0","type":"link"}