{"product_id":"blue-sea-40a-285-series-panel-mount-thermal-circuit-breaker","title":"Blue Sea 40A 285-Series Panel Mount Thermal Circuit Breaker","description":"\u003ch2\u003eHeavy-Duty 40A Thermal Circuit Protection and Manual Switching\u003c\/h2\u003e\u003cp\u003eThe \u003cstrong\u003eBlue Sea 285-Series 40A Panel Mount Thermal Circuit Breaker\u003c\/strong\u003e delivers dual-function electrical management for demanding marine, RV, and off-grid power systems. Engineered as a direct drop-in replacement for older 185-Series circuit breakers, this unit combines reliable overcurrent protection with manual switching capabilities in a single, compact device. By integrating both functions, it eliminates the need for separate inline fuse holders and isolation switches, streamlining your electrical panel layout while reducing potential failure points in high-vibration environments.\u003c\/p\u003e\u003ch3\u003eEngineered for Harsh Marine and Automotive Environments\u003c\/h3\u003e\u003cp\u003eElectrical components in boats, 4WDs, and caravans are frequently exposed to moisture, salt spray, and volatile fumes. Standard consumer-grade breakers can corrode or pose safety hazards when installed near battery banks or fuel tanks. The 285-Series addresses these risks with a robust, IP67 waterproof sealed housing that resists water ingress during temporary immersion and withstands harsh coastal conditions.\u003c\/p\u003e\u003cp\u003eFurthermore, this 40A breaker is fully compliant with \u003cstrong\u003eSAE J1171 external ignition protection requirements\u003c\/strong\u003e. This certification ensures the internal mechanism will not ignite surrounding flammable gases if a spark occurs during tripping or manual switching, making it safe for installation in petrol-powered marine engine compartments and enclosed battery boxes.\u003c\/p\u003e\u003ch3\u003eIntuitive Operation and Fault Diagnostics\u003c\/h3\u003e\u003cp\u003eManaging high-current circuits requires clear visual feedback and straightforward operation. The Blue Sea BS-7082B features a high-visibility yellow reset lever that drops down when an overcurrent event trips the thermal mechanism, allowing you to identify faults at a glance. When performing maintenance or isolating auxiliary equipment, the integrated red manual trip button lets you disconnect the circuit safely without waiting for a thermal trip.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDual-Function Design:\u003c\/strong\u003e Combines 40A thermal overcurrent protection and manual circuit switching into one compact unit.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSAE J1171 Ignition Protected:\u003c\/strong\u003e Safe for installation aboard petrol-powered boats and near ventilated battery enclosures.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIP67 Sealed Housing:\u003c\/strong\u003e Weatherproof construction protects internal contacts against dust, moisture, and marine salt spray.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eClear Status Indication:\u003c\/strong\u003e Visible yellow reset lever clearly shows tripped status and allows for rapid circuit restoration.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManual Disconnect Button:\u003c\/strong\u003e Red push-to-trip button enables immediate manual circuit isolation during system servicing.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDrop-In Compatibility:\u003c\/strong\u003e Shares the same mounting footprint as 185-Series breakers for straightforward panel upgrades.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eReliable Protection for Auxiliary Circuits\u003c\/h3\u003e\u003cp\u003e unlike single-use fuses that require spare parts and tools to replace in the dark, a thermal circuit breaker allows you to restore power immediately once the underlying fault is resolved. The integrated mounting holes ensure a secure panel installation, keeping the switching controls accessible while protecting the rear wiring connections inside the console or enclosure. It is an ideal solution for protecting windlasses, stereo amplifiers, DC distribution panels, and auxiliary battery charging lines.\u003c\/p\u003e\u003ch3\u003eUpgrade Your Electrical Safety\u003c\/h3\u003e\u003cp\u003eEquip your vessel, 4WD, or off-grid power setup with dependable, marine-grade overcurrent protection. Add the Blue Sea 285-Series 40A Panel Mount Thermal Circuit Breaker to your system for safe, resettable circuit management.\u003c\/p\u003e","brand":"Blue Sea","offers":[{"title":"Default Title","offer_id":43631585329213,"sku":"BS-7082B","price":71.05,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0602\/3918\/3933\/files\/blue-sea-285-series-40a-thermal-breaker-bs-7082b.png?v=1792904638","url":"https:\/\/www.solar4rvs.com.au\/products\/blue-sea-40a-285-series-panel-mount-thermal-circuit-breaker","provider":"Solar 4 RVs","version":"1.0","type":"link"}