{"product_id":"blue-sea-285-series-surface-mount-thermal-circuit-breaker","title":"Blue Sea 285-Series Surface Mount Thermal Circuit Breaker","description":"\u003ch2\u003eHeavy-Duty DC Circuit Protection and Switching for Marine, 4WD, and Off-Grid Systems\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eBlue Sea 285 Series Surface-Mount Circuit Breaker\u003c\/strong\u003e delivers robust thermal circuit protection and manual switching in a single, compact unit. Engineered specifically for demanding marine, automotive, and off-grid electrical environments, this heavy-duty DC circuit breaker safeguards your critical wiring and high-draw appliances from dangerous current overloads and short circuits.\u003c\/p\u003e\n\u003cp\u003eIn mobile and marine power setups, electrical faults can quickly lead to damaged equipment or fire hazards. Unlike basic single-use fuses that require replacement spares whenever an overload occurs, the \u003cstrong\u003e285 Series thermal breaker\u003c\/strong\u003e allows you to quickly identify a tripped circuit and restore power once the fault is resolved. Its dual-function design means it also serves as a convenient master disconnect switch for isolating battery banks, DC distribution panels, inverters, or winches during maintenance and storage.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features and Benefits\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDual-Function Operation:\u003c\/strong\u003e Combines reliable thermal overload circuit protection with manual on\/off switching in one streamlined housing.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSAE J1171 Ignition Protected:\u003c\/strong\u003e Safe for installation aboard petrol-powered boats, engine bays, and enclosed battery compartments where explosive vapour risks may exist.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVisual Status Indication:\u003c\/strong\u003e Features a high-visibility yellow manual reset lever that clearly shows when the circuit has tripped, allowing for rapid troubleshooting.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManual Trip Button:\u003c\/strong\u003e A dedicated red push-to-trip button enables immediate manual circuit interruption for emergency shutdowns or routine system testing.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHeavy-Duty M8 Stud Terminals:\u003c\/strong\u003e Equipped with sturdy M8 terminal studs and nuts to ensure low-resistance, secure connections with heavy-gauge battery lugs.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIntegrated Terminal Covers:\u003c\/strong\u003e Captive insulating rubber caps fit directly over the exposed studs to help prevent accidental short circuits from dropped tools or loose wiring.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSimple Surface Mounting:\u003c\/strong\u003e Integral mounting holes allow for straightforward installation onto flat bulkheads, firewalls, and custom power boards without requiring large panel cut-outs.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eEngineered for Safety in Harsh Environments\u003c\/h3\u003e\n\u003cp\u003eWhen working with high-current DC systems, component reliability is critical. Lower-tier breakers often suffer from high internal resistance, nuisance tripping in warm engine bays, or exposed terminals that pose a constant short-circuit risk. The \u003cstrong\u003eBlue Sea Systems 285 Series\u003c\/strong\u003e mitigates these risks with precision thermal calibration and built-in protective terminal boots.\u003c\/p\u003e\n\u003cp\u003eCompliance with \u003cstrong\u003eSAE J1171 external ignition protection\u003c\/strong\u003e standards ensures that any internal arcing during a high-current trip is fully contained within the housing. This makes it an essential safety upgrade for marine vessels, camper trailers, and 4WD canopies where LPG cylinders or fuel lines may be located near electrical distribution hubs.\u003c\/p\u003e\n\n\u003ch3\u003eIdeal Applications\u003c\/h3\u003e\n\u003cp\u003eThanks to its surface-mount form factor and robust M8 stud connections, this thermal breaker integrates seamlessly into a wide range of DC electrical architectures:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eMain circuit protection for auxiliary battery systems in 4WDs, caravans, and RVs\u003c\/li\u003e\n\u003cli\u003eMarine house and start battery circuit isolation and overload protection\u003c\/li\u003e\n\u003cli\u003eProtecting high-amperage accessories such as DC-DC chargers, windlasses, bow thrusters, and hydraulic pumps\u003c\/li\u003e\n\u003cli\u003eServing as a safe, accessible isolation switch for off-grid solar charge controllers and small inverters\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eUpgrade Your DC Circuit Safety\u003c\/h3\u003e\n\u003cp\u003eProtect your high-current wiring and simplify your electrical layout with a breaker built for tough Australian conditions. Add the \u003cstrong\u003eBlue Sea 285 Series Surface-Mount Circuit Breaker\u003c\/strong\u003e to your system build today for dependable thermal protection and effortless circuit isolation.\u003c\/p\u003e","brand":"Blue Sea","offers":[{"title":"Default Title","offer_id":43631592046653,"sku":"BS-7180B","price":95.75,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0602\/3918\/3933\/files\/blue-sea-285-series-surface-mount-circuit-breaker-bs-7180b.png?v=1792904588","url":"https:\/\/www.solar4rvs.com.au\/products\/blue-sea-285-series-surface-mount-thermal-circuit-breaker","provider":"Solar 4 RVs","version":"1.0","type":"link"}