{"product_id":"blue-sea-50a-a-series-single-pole-toggle-circuit-breaker-red","title":"Blue Sea 50A A-Series Single Pole Toggle Circuit Breaker - Red","description":"\u003ch2\u003eIntegrated Magnetic-Hydraulic Circuit Protection and Switching\u003c\/h2\u003e\u003cp\u003eThe \u003cstrong\u003eBlue Sea A-Series 50A Single-Pole Toggle Circuit Breaker\u003c\/strong\u003e is engineered to simplify electrical panel design by combining manual circuit switching and overcurrent protection into a single, reliable unit. Designed for demanding marine, RV, caravan, and off-grid power systems, this 50A circuit breaker eliminates the need to wire separate switches and fuse holders, reducing potential failure points and saving valuable panel space.\u003c\/p\u003e\u003cp\u003eFeaturing an ergonomic red toggle actuator clearly stamped with the 50A amperage rating and OFF position, this breaker provides immediate visual confirmation of circuit status. The vibrant red lever is particularly suited for identifying critical loads, primary power feeds, or emergency equipment on crowded distribution panels.\u003c\/p\u003e\u003ch3\u003ePrecision Magnetic-Hydraulic Operation\u003c\/h3\u003e\u003cp\u003eUnlike standard thermal circuit breakers that rely on heat-sensitive bimetallic strips, the Blue Sea Systems A-Series utilises a precision \u003cstrong\u003emagnetic-hydraulic mechanism\u003c\/strong\u003e. In warm Australian climates, hot marine engine bays, or enclosed caravan battery compartments, ambient heat can cause thermal breakers to trip prematurely below their rated capacity. A magnetic-hydraulic breaker measures actual electrical current flow rather than temperature, ensuring the trip point remains stable and accurate across a wide range of operating temperatures.\u003c\/p\u003e\u003cp\u003eThis technology significantly reduces the risk of nuisance tripping when running heavy loads like air conditioners, watermakers, or large DC-DC chargers, while still delivering rapid, dependable interruption during a genuine short circuit or sustained overload.\u003c\/p\u003e\u003ch3\u003eEngineered for Safety and Compliance\u003c\/h3\u003e\u003cp\u003eElectrical safety in mobile and marine environments requires hardware that can handle fault conditions without user interference. This breaker incorporates a mechanical \u003cstrong\u003etrip-free design\u003c\/strong\u003e, meaning the internal contacts will trip open during a fault-current event even if the toggle lever is physically held or wedged in the ON position. This critical feature protects wiring harnesses from thermal runaway and prevents damage to sensitive electronics.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDual-Function Design:\u003c\/strong\u003e Combines manual ON\/OFF switching and 50A overcurrent protection in one compact enclosure.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMagnetic-Hydraulic Mechanism:\u003c\/strong\u003e Provides temperature-stable trip performance, preventing nuisance trips in high-heat environments.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTrip-Free Safety:\u003c\/strong\u003e Internal mechanism disconnects the circuit during a fault condition, even if the actuator is manually held ON.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSecure Panel Mounting:\u003c\/strong\u003e Features integrated brass threaded mounting inserts for stable, vibration-resistant front-panel installation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh-Visibility Red Actuator:\u003c\/strong\u003e Allows quick identification of essential circuits and clear visual indication of the OFF state.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGlobal Certifications:\u003c\/strong\u003e Meets ABYC standards, is UL 1077 recognised, TUV certified, CE marked, and CSA certified for international compliance.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eBuilt for Marine, Caravan, and Off-Grid Panels\u003c\/h3\u003e\u003cp\u003eConstructed with a durable enclosure and integrated brass mounting inserts, the BS-7229B is built to withstand the constant vibration and harsh conditions typical of four-wheel drives, commercial vessels, and off-grid touring setups. Its compact single-pole footprint integrates seamlessly into custom switch panels and Blue Sea Systems modular distribution boards.\u003c\/p\u003e\u003cp\u003eUpgrade your electrical distribution panel with the Blue Sea A-Series 50A Toggle Circuit Breaker for professional-grade circuit control and dependable fault protection.\u003c\/p\u003e","brand":"Blue Sea","offers":[{"title":"Default Title","offer_id":43631609020477,"sku":"BS-7229B","price":32.95,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0602\/3918\/3933\/files\/blue-sea-50a-single-pole-toggle-circuit-breaker-bs-7229b.png?v=1792905163","url":"https:\/\/www.solar4rvs.com.au\/products\/blue-sea-50a-a-series-single-pole-toggle-circuit-breaker-red","provider":"Solar 4 RVs","version":"1.0","type":"link"}