{"product_id":"blue-sea-7187-285-series-thermal-circuit-breaker-48v-100a-durable","title":"Blue Sea 7187 285 Series Thermal Circuit Breaker 48V 100A - Durable","description":"\u003cp\u003eOur review of the Blue Sea 7187 285 Series thermal circuit breaker finds it best suited for boaters and marine electricians who need a compact, reliable means to both switch and protect medium-duty DC circuits. The single biggest reason to buy is its combined switch-and-protection design with a visible trip lever and a \u003cstrong\u003etrip-free\u003c\/strong\u003e mechanism, which prevents holding the breaker on during a fault - a practical safety feature for windlass, electric winch, and trolling motor installations.\u003c\/p\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCombined switch and breaker:\u003c\/strong\u003e Serves as a convenient on\/off switch while providing tailored circuit protection in one surface-mounted unit.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDrop-in replacement:\u003c\/strong\u003e Directly replaces 185 series breakers so it is easy to upgrade or swap without reworking mounting or wiring.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTrip-free action:\u003c\/strong\u003e The breaker cannot be held in the ON position during a fault, protecting wiring and connected equipment from sustained overloads.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIgnition protected:\u003c\/strong\u003e Safe for installation in gasoline engine spaces, widening installation options on vessels.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTerminal protection:\u003c\/strong\u003e Connected terminal caps reduce risk of accidental contact and help avoid cross current shorts during service.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVisible tripped lever:\u003c\/strong\u003e A clear visual indicator shows when the unit has tripped, simplifying troubleshooting at a glance.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eWho It's For\u003c\/h2\u003e\n\u003cp\u003eMarine owners fitting a windlass, electric winch, or a 36V trolling motor will appreciate this breaker for its combination of switching convenience and surface-mounted circuit protection. Installers who need a compact, ignition-protected device that can be mounted almost anywhere aboard a boat will find it particularly useful.\u003c\/p\u003e\n\u003cp\u003eThose seeking very high amperage industrial breakers, miniature PCB protection, or devices with advanced electronic trip curves should look elsewhere, as this unit is a medium-duty thermal breaker designed for marine DC circuits rather than complex electronic protection schemes.\u003c\/p\u003e\n\u003ch2\u003ePros \u0026amp; Cons\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003ePros\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eWell-made and durable construction that stands up to marine environments and salt spray.\u003c\/li\u003e\n\u003cli\u003eEasy to wire and surface-mount with face-mounted terminal studs for quick installation.\u003c\/li\u003e\n\u003cli\u003ePush-to-disconnect and visible trip lever make maintenance and troubleshooting straightforward.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eCons\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eAs a medium-duty thermal breaker, it is not intended for high-precision electronic trip settings or heavy industrial loads beyond its 100A rating.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eBlue Sea Systems\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSeries\u003c\/td\u003e\n\u003ctd\u003e285 Series (7187)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMounting\u003c\/td\u003e\n\u003ctd\u003eSurface mount\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVoltage\u003c\/td\u003e\n\u003ctd\u003e48V DC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCurrent\u003c\/td\u003e\n\u003ctd\u003e100A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProtection\u003c\/td\u003e\n\u003ctd\u003eIgnition protected, water resistant\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWarranty\u003c\/td\u003e\n\u003ctd\u003eFive-year warranty\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch2\u003eOur Verdict\u003c\/h2\u003e\n\u003cp\u003eThe Blue Sea 7187 285 Series is a solid, value-oriented choice for marine DC circuits where a combined \u003cstrong\u003eswitch and circuit breaker\u003c\/strong\u003e is desirable. It offers clear trip indication, ignition protection, and easy installation, making it a practical buy for boat owners and installers seeking durable, straightforward circuit protection without extra complexity.\u003c\/p\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eCan this breaker be used in the engine room?\u003c\/strong\u003e\u003cbr\u003eYes - it is ignition protected and can be installed in the engine room of gasoline powered boats.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs this a direct replacement for older 185 series breakers?\u003c\/strong\u003e\u003cbr\u003eYes - it is designed as a drop-in replacement for 185 series circuit breakers to simplify upgrades.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat indicates a tripped breaker?\u003c\/strong\u003e\u003cbr\u003eA visible lever shows when the breaker has tripped and it cannot be held in the ON position during a fault.\u003c\/p\u003e","brand":"Blue Sea Systems","offers":[{"title":"Default Title","offer_id":48245334409435,"sku":"B0051P01BW","price":58.55,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/1043\/1707\/files\/71uPq_k3yBL._SL1343.jpg?v=1776277856","url":"https:\/\/gearmusthave.com\/products\/blue-sea-7187-285-series-thermal-circuit-breaker-48v-100a-durable","provider":"GearMustHave","version":"1.0","type":"link"}