{"product_id":"blue-sea-systems-2142-circuit-breaker-md-p-button-50a","title":"Blue Sea Systems 2142 marine push-to-reset circuit breaker 50A DC, ignition-protected weatherproof main\/branch protection","description":"\u003cb\u003eBlue Sea Systems 2142 is a weatherproof, ignition-protected 50A push-to-reset circuit breaker designed for reliable main or branch circuit protection on boats and mobile systems.\u003c\/b\u003e\n\n\u003cp\u003eThis compact, marine-grade breaker combines manual reset convenience with a \"trip-free\" mechanism that prevents the breaker from being held on during a fault. Engineered for saltwater and gasoline-powered environments, the 2142 protects 12V\/24V DC circuits and can serve as a main breaker, branch circuit protector, or continuous (24-hour) protection where needed. Its push-button operation simplifies reset procedures while maintaining safety and durability in wet or corrosive conditions.\u003c\/p\u003e\n\n\u003ch3\u003eHow does the 2142 keep electrical systems safe aboard a vessel?\u003c\/h3\u003e\n\u003cp\u003eThe 2142 interrupts excessive current automatically, preventing wiring and components from overheating. Its \"trip-free\" design ensures a fault will open the circuit regardless of attempts to hold the button, eliminating a common bypass risk. Because it’s ignition protected, it’s safe to install near gasoline engines and fuel systems where spark suppression matters.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eAutomatic trip under overload or short-circuit conditions.\u003c\/li\u003e\n  \u003cli\u003ePush-to-reset for quick reactivation after faults are cleared.\u003c\/li\u003e\n  \u003cli\u003eIgnition protection reduces ignition-source risk in fuel environments.\u003c\/li\u003e\n  \u003cli\u003eWeatherproof housing guards against spray and corrosion.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhere and how should I install this breaker on my boat or vehicle?\u003c\/h3\u003e\n\u003cp\u003eInstall the 2142 in accessible panel locations for main or branch protection of DC circuits. It mounts easily in standard breaker panel cutouts and connects with ring terminals or spade lugs depending on your wiring. Ensure it’s placed where it’s reachable for reset and away from extreme heat sources like exhaust manifolds.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eSuitable as main, branch, or continuous 24-hour protection.\u003c\/li\u003e\n  \u003cli\u003ePanel-mountable for central access and tidy wiring runs.\u003c\/li\u003e\n  \u003cli\u003eUse appropriate wire gauge and torque per circuit ampacity.\u003c\/li\u003e\n  \u003cli\u003eKeep within reach for manual reset after trip events.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat performance features make this breaker durable in marine conditions?\u003c\/h3\u003e\n\u003cp\u003eConstructed with weatherproof materials and corrosion-resistant finishes, the 2142 resists spray, humidity, and salt air. The push-button cap and housing are engineered to keep internal contacts protected, extending service life in harsh conditions. Routine inspection and clean connections help sustain reliability over years of use.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eWeatherproof enclosure for splash and spray protection.\u003c\/li\u003e\n  \u003cli\u003eCorrosion-resistant hardware for long-term marine use.\u003c\/li\u003e\n  \u003cli\u003eRobust push-button mechanism designed for repeated resets.\u003c\/li\u003e\n  \u003cli\u003eCompact design minimizes panel space while delivering 50A capacity.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow do I choose between using it as a main breaker or a branch breaker?\u003c\/h3\u003e\n\u003cp\u003eChoose it as a main breaker when protecting an entire DC distribution bus up to its rated 50A capacity. Use it as a branch breaker to safeguard individual circuits—lights, pumps, or electronics—where localized protection and easy reset are desirable. Verify total load and upstream protection so the breaker’s rating matches your system’s needs.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eMain breaker: protects whole bus up to 50A total load.\u003c\/li\u003e\n  \u003cli\u003eBranch breaker: protects single circuits or grouped loads.\u003c\/li\u003e\n  \u003cli\u003eMatch wire gauge and downstream loads to the 50A rating.\u003c\/li\u003e\n  \u003cli\u003eCombine with fuses or additional breakers for layered protection.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho this product is for: Technicians, boat owners, RV enthusiasts, and mobile electricians who need a compact, reliable 50A protective device that withstands marine conditions. If you want a weatherproof, ignition-protected circuit breaker with push-to-reset convenience and a trip-free safety mechanism for mains or branch circuits, the Blue Sea Systems 2142 is engineered to meet those needs while fitting standard panel installations.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Is the 2142 safe near gasoline engines?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. It is ignition protected, meaning it’s safe for installation near gasoline-powered engines and fuel systems.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Can I use this as a main circuit breaker?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. The 2142 can be used as a main breaker, branch protection, or for continuous 24-hour circuit protection up to 50A.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Blue Sea Systems","offers":[{"title":"Default Title","offer_id":48030300635297,"sku":"B001UQGBDS","price":149.65,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0758\/6532\/5729\/files\/blue-sea-systems-2142-front-panel.jpg?v=1791399767","url":"https:\/\/canadiansporting.ca\/products\/blue-sea-systems-2142-circuit-breaker-md-p-button-50a","provider":"Canadian Sporting","version":"1.0","type":"link"}