{"product_id":"blue-sea-20a-a-series-single-pole-toggle-circuit-breaker-red","title":"Blue Sea 20A A-Series Single Pole Toggle Circuit Breaker - Red","description":"\u003ch2\u003eIntegrated Magnetic Hydraulic Switching and Circuit Protection\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eBlue Sea Systems A-Series 20A Single-Pole Toggle Circuit Breaker\u003c\/strong\u003e delivers industry-standard reliability for demanding marine, RV, and off-grid electrical installations. By combining a high-duty toggle switch and precision overcurrent protection into a single unified device, it streamlines distribution panel layouts and eliminates the need for separate fuse blocks and switches. Featuring a prominent red toggle actuator, this 20A breaker is ideal for clearly identifying critical or emergency circuits on your main switchboard.\u003c\/p\u003e\n\n\u003ch3\u003eWhy Magnetic Hydraulic Technology Matters\u003c\/h3\u003e\n\u003cp\u003eUnlike standard thermal circuit breakers that rely on heat-sensitive bimetallic strips, the Blue Sea A-Series utilises a \u003cstrong\u003emagnetic hydraulic mechanism\u003c\/strong\u003e. Standard thermal breakers can suffer from derating and nuisance tripping when installed in hot engine bays, enclosed canopies, or sun-exposed dashboards. Magnetic hydraulic breakers respond solely to current variations within the circuit rather than ambient temperature. This ensures consistent, predictable trip curves and reliable 20A overcurrent protection regardless of how hot or cold the surrounding environment becomes.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features and Technical Benefits\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDual-Function Design:\u003c\/strong\u003e Combines manual circuit switching and overcurrent protection into one compact footprint, reducing wiring complexity and potential failure points.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTrip-Free Safety Mechanism:\u003c\/strong\u003e Engineered with an internal trip-free design that cannot be manually held in the ON position during a fault-current condition, protecting wiring and connected equipment from severe thermal damage.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh-Visibility Red Toggle:\u003c\/strong\u003e Clearly marked with its 20A rating, the red lever allows operators to quickly locate and isolate essential circuits at a glance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTemperature-Stable Operation:\u003c\/strong\u003e Magnetic hydraulic actuation prevents nuisance tripping in high-temperature enclosures and ensures accurate trip delay curves.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSeamless Panel Integration:\u003c\/strong\u003e Built with standardised threaded mounting inserts for straightforward front-panel installation in Blue Sea Systems electrical distribution panels and custom switchboards.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eBuilt for Harsh Marine and Mobile Environments\u003c\/h3\u003e\n\u003cp\u003eElectrical systems in boats, 4WDs, caravans, and commercial vehicles are constantly subjected to vibration, moisture, and temperature extremes. Inferior protection devices can corrode or fail to trip accurately, putting expensive electronics and cable runs at risk. The A-Series breaker is specifically engineered to meet stringent marine and automotive standards, mitigating the risk of electrical fires and system downtime. Its robust construction and side specification label with detailed electrical ratings make professional installation and system auditing straightforward.\u003c\/p\u003e\n\n\u003ch3\u003eApplications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eMarine AC and DC main distribution panels\u003c\/li\u003e\n\u003cli\u003eCaravan, motorhome, and camper trailer 12V and 24V power systems\u003c\/li\u003e\n\u003cli\u003e4WD canopy setups and auxiliary battery management boards\u003c\/li\u003e\n\u003cli\u003eOff-grid solar control cabinets and industrial mobile equipment\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eUpgrade Your Electrical Panel Safety\u003c\/h3\u003e\n\u003cp\u003eEnsure your critical circuits are protected with dependable, temperature-stable hardware. Add the Blue Sea A-Series 20A Red Toggle Circuit Breaker to your build today for streamlined switching and professional-grade electrical protection.\u003c\/p\u003e","brand":"Blue Sea","offers":[{"title":"Default Title","offer_id":43631603318845,"sku":"BS-7213B","price":32.95,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0602\/3918\/3933\/files\/blue-sea-20a-single-pole-toggle-circuit-breaker-red-bs-7213b.png?v=1792905069","url":"https:\/\/www.solar4rvs.com.au\/products\/blue-sea-20a-a-series-single-pole-toggle-circuit-breaker-red","provider":"Solar 4 RVs","version":"1.0","type":"link"}