{"product_id":"blue-sea-100a-285-series-surface-mount-thermal-circuit-breaker","title":"Blue Sea 100A 285-Series Surface Mount Thermal Circuit Breaker","description":"\u003ch2\u003eIntegrated 100A Switching and Overcurrent Protection for Marine and Mobile DC Systems\u003c\/h2\u003e\u003cp\u003eThe \u003cstrong\u003eBlue Sea 285-Series 100A Surface Mount Thermal Circuit Breaker\u003c\/strong\u003e delivers a reliable, space-saving solution for managing high-current DC electrical systems. By combining overcurrent protection and manual on-off switching into a single compact unit, this breaker eliminates the need to wire separate isolation switches and fuse holders. It is engineered specifically for demanding marine, RV, caravan, and off-grid power setups where dependable circuit protection is critical.\u003c\/p\u003e\u003ch3\u003eEngineered for Harsh Environments and Safety Compliance\u003c\/h3\u003e\u003cp\u003eWhen working with high-amperage DC circuits in boats or camper trailers, environmental exposure and safety compliance are paramount. The 285-Series features a weather-resistant construction designed to endure moisture, vibration, and coastal conditions. Furthermore, it meets strict \u003cstrong\u003eSAE J1171 external ignition protection requirements\u003c\/strong\u003e. This makes the unit safe for installation aboard petrol-powered vessels and inside battery compartments where explosive fumes or gases might accumulate, reducing the risk of accidental ignition compared to standard, unrated switches.\u003c\/p\u003e\u003ch3\u003eIntuitive Operation and Fail-Safe Design\u003c\/h3\u003e\u003cp\u003eManaging your electrical distribution is straightforward thanks to the visible yellow reset lever, which clearly indicates when the circuit is open or tripped. A dedicated red push-to-trip button allows for immediate manual disconnection when servicing downstream equipment or isolating battery banks. For maximum protection against electrical faults, the internal mechanism utilises a \u003cstrong\u003etrip-free design\u003c\/strong\u003e. This ensures the circuit breaker cannot be manually held closed during an active fault condition, protecting your wiring and expensive electronics from thermal damage and potential fire hazards.\u003c\/p\u003e\u003ch3\u003eKey Features and Benefits\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDual-Function Design:\u003c\/strong\u003e Combines 100A thermal circuit protection and manual on-off switching in one compact housing.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSAE J1171 Ignition Protected:\u003c\/strong\u003e Safe for installation in petrol boat bilges, engine rooms, and enclosed battery boxes.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTrip-Free Mechanism:\u003c\/strong\u003e Internal contacts cannot be forced closed while an overcurrent fault persists, ensuring fail-safe protection.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eClear Visual Status:\u003c\/strong\u003e High-visibility yellow reset lever provides instant confirmation of the circuit status, paired with a red push-to-trip button.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMarine-Grade Terminals:\u003c\/strong\u003e Equipped with corrosion-resistant M8 stainless steel threaded studs to secure heavy-duty ring terminals with minimal voltage drop.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTerminal Insulation:\u003c\/strong\u003e Integrated rubber protection caps cover the M8 studs to prevent accidental short circuits in tight wiring enclosures.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeather-Resistant Build:\u003c\/strong\u003e Sealed housing resists moisture and dust ingress, suited to exposed marine and 4WD environments.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eApplication Considerations and Installation\u003c\/h3\u003e\u003cp\u003eThe recessed mounting holes allow for a clean, secure surface-mount installation on flat panels, bulkheads, or power distribution boards. The M8 stud terminals provide ample surface area for high-current lugs, whilst the attached insulating boots fold directly over the connections for neat and compliant wiring.\u003c\/p\u003e\u003cp\u003e\u003cem\u003eImportant Application Note:\u003c\/em\u003e While this unit functions as a convenient manual disconnect switch, do not use the breaker as a primary switch where high inrush currents are expected, as repeated high-inrush switching can degrade the thermal tripping contacts over time.\u003c\/p\u003e\u003ch3\u003eUpgrade Your DC Circuit Protection\u003c\/h3\u003e\u003cp\u003eEquip your vessel, caravan, or dual-battery system with the Blue Sea 285-Series 100A Circuit Breaker for compliant, resettable protection that stands up to tough Australian conditions.\u003c\/p\u003e","brand":"Blue Sea","offers":[{"title":"Default Title","offer_id":43631596699709,"sku":"BS-7187B","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-100a-surface-mount-breaker-bs-7187b.png?v=1792904600","url":"https:\/\/www.solar4rvs.com.au\/products\/blue-sea-100a-285-series-surface-mount-thermal-circuit-breaker","provider":"Solar 4 RVs","version":"1.0","type":"link"}