{"product_id":"blue-sea-systems-7048-187-series-circuit-breaker-panel-mount-150a","title":"Blue Sea Systems 7048 187 Series Circuit Breaker, Panel Mount 150A","description":"\u003cp\u003eOur review of the Blue Sea Systems 7048 187 Series Circuit Breaker finds it best suited for boaters, RV owners, and anyone needing a reliable DC panel mount breaker that doubles as a switch. The single biggest reason to buy is its combination of a robust \u003cstrong\u003e150A DC circuit protection\u003c\/strong\u003e and a panel-mounted switch in one unit, which simplifies wiring runs and gives an accessible push-to-disconnect control. It is built to withstand harsh environments and the Trip Free design prevents holding the breaker on during a fault, so it is a practical selection for marine and automotive 12-48V DC systems.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e150A rating:\u003c\/strong\u003e Provides high-current protection and switching capacity for batteries and heavy DC loads up to 48V DC.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTrip Free design:\u003c\/strong\u003e Ensures the breaker cannot be forced to stay on during a fault, protecting wiring and equipment.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWaterproof protection:\u003c\/strong\u003e IP66 rating means the panel-mounted control resists water and spray in challenging environments.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh interrupt capacity:\u003c\/strong\u003e Can interrupt large fault currents safely, rated to 5000A at 12V, 3000A at 24V, and 1500A at 42V.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePush-to-disconnect:\u003c\/strong\u003e Simple disconnectability makes it convenient to isolate circuits for maintenance or storage.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eWho It's For\u003c\/h2\u003e\u003cp\u003eThe Blue Sea 7048 is ideal for marine applications, RV systems, and automotive DC setups where a combined switch and breaker is preferred to reduce panel clutter. Installers and DIYers who value durability and a neat panel-mounted solution will appreciate how it simplifies wiring while offering strong protection for inboard electronics and trolling motors.\u003c\/p\u003e\u003cp\u003eCustomers who need AC protection, very low-current signaling, or a breaker larger than 150A should look elsewhere. Also, those who require a remote or electronic trip function will need a different type of protection device rather than a mechanical panel mount breaker.\u003c\/p\u003e\u003ch2\u003ePros \u0026amp; Cons\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003ePros\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eWell-built construction that customers report stands up to saltwater spray and harsh marine conditions.\u003c\/li\u003e\n\u003cli\u003eUseful combined switching and protection feature that reduces component count in a panel.\u003c\/li\u003e\n\u003cli\u003eHigh interrupt ratings that handle large fault currents across common DC voltages.\u003c\/li\u003e\n\u003cli\u003eEasy to wire and mount with common 5\/16'-18 terminal size and push-to-disconnect convenience.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCons\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eLimited to 48V DC maximum, so it is not suitable for higher-voltage battery systems.\u003c\/li\u003e\n\u003cli\u003ePanel-mount design requires accessible panel space and correct cutout for installation.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eSpecifications\u003c\/h2\u003e\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\u003eModel\u003c\/td\u003e\n\u003ctd\u003e7048 187 Series\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAmperage\u003c\/td\u003e\n\u003ctd\u003e150A DC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaximum voltage\u003c\/td\u003e\n\u003ctd\u003e48V DC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInterrupt capacity\u003c\/td\u003e\n\u003ctd\u003e5000A @ 12V, 3000A @ 24V, 1500A @ 42V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTerminal size\u003c\/td\u003e\n\u003ctd\u003e5\/16'-18\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIngress protection\u003c\/td\u003e\n\u003ctd\u003eIP66 waterproof\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch2\u003eOur Verdict\u003c\/h2\u003e\u003cp\u003eThe Blue Sea 7048 187 Series is a solid choice for anyone needing a durable, panel-mounted \u003cstrong\u003e150A circuit breaker\u003c\/strong\u003e that also acts as a switch. Its Trip Free mechanism, waterproof rating, and high interrupt capacity make it especially good value for marine and mobile DC systems where reliability and ease of installation matter.\u003c\/p\u003e\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eCan this breaker be used on a 36V trolling motor?\u003c\/strong\u003e\u003cbr\u003eYes. The unit is rated to 48V DC and customers report the push-to-disconnect is convenient for 36V trolling motor circuits.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eIs the breaker waterproof for marine use?\u003c\/strong\u003e\u003cbr\u003eYes. It carries an IP66 rating, indicating protection against heavy spray and ingress suitable for panel-mounted marine installations.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat terminal hardware fits the posts?\u003c\/strong\u003e\u003cbr\u003eThe terminals accept 5\/16'-18 hardware, a common size for heavy DC cable lugs and ring terminals.\u003c\/p\u003e","brand":"Blue Sea Systems","offers":[{"title":"Default Title","offer_id":48240730472667,"sku":"B000MMFJK2","price":65.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/1043\/1707\/files\/51fFhCxV3CL._SL1000.jpg?v=1771093959","url":"https:\/\/gearmusthave.com\/products\/blue-sea-systems-7048-187-series-circuit-breaker-panel-mount-150a","provider":"GearMustHave","version":"1.0","type":"link"}