{"product_id":"blue-sea-250a-c-series-triple-pole-toggle-circuit-breaker","title":"Blue Sea 250A C-Series Triple-Pole Toggle Circuit Breaker","description":"\u003ch2\u003eHigh-Capacity Magnetic Hydraulic Overcurrent Protection and Switching\u003c\/h2\u003e\u003cp\u003eEngineered for demanding marine, off-grid, and mobile electrical architectures, this \u003cstrong\u003e250A circuit breaker\u003c\/strong\u003e delivers reliable circuit switching and overcurrent protection in a single, compact unit. By integrating manual switching directly with the protection mechanism, it eliminates the need for separate isolator switches and fuse holders. This simplifies panel layouts, reduces wiring complexity, and minimises potential points of electrical resistance in high-current distribution networks.\u003c\/p\u003e\u003ch3\u003eAdvanced Magnetic Hydraulic Mechanism\u003c\/h3\u003e\u003cp\u003eUnlike standard thermal breakers that rely on heat-sensitive bimetallic strips, the C-Series utilises a precision \u003cstrong\u003emagnetic hydraulic mechanism\u003c\/strong\u003e. Standard thermal units can suffer from nuisance tripping when installed in high-temperature environments such as boat engine rooms, enclosed battery compartments, or vehicle canopies. Because a magnetic hydraulic design responds solely to electrical current flow rather than ambient temperature fluctuations, it maintains a consistent and dependable trip curve regardless of environmental heat.\u003c\/p\u003e\u003ch3\u003eParallel Pole Design for High-Amperage Loads\u003c\/h3\u003e\u003cp\u003eTo safely manage heavy \u003cstrong\u003e250A\u003c\/strong\u003e electrical loads, this triple-pole model utilises a heavy-duty terminal busbar to distribute current across multiple internal poles. The white toggle handle is mechanically bridged, ensuring simultaneous switching and coordinated tripping across all three poles. If an overcurrent fault occurs, the internal mechanism trips instantly even if the toggle is manually held in the ON position, commonly referred to as a trip-free design, safeguarding cabling and connected equipment from severe damage.\u003c\/p\u003e\u003ch3\u003eKey Features and Hardware Benefits\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eIntegrated Functionality:\u003c\/strong\u003e Combines heavy-duty manual circuit switching with automatic overcurrent protection in one panel-mounted device.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTemperature-Stable Operation:\u003c\/strong\u003e Magnetic hydraulic internal structure prevents derating or false tripping caused by high ambient temperatures.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMechanically Linked Toggles:\u003c\/strong\u003e Bridged white handle ensures simultaneous disconnection of all three poles during manual operation or fault conditions.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHeavy-Duty Busbar Connection:\u003c\/strong\u003e Pre-fitted metal terminal plate streamlines high-capacity wire termination and distributes current load evenly.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSecure Panel Mounting:\u003c\/strong\u003e Integrated brass threaded mounting inserts provide robust mechanical retention on switchboards and distribution panels.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTrip-Free Safety Mechanism:\u003c\/strong\u003e Internal contacts cannot be held closed manually during an active overcurrent fault, reducing the risk of cable fires and equipment damage.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eIdeal Applications\u003c\/h3\u003e\u003cp\u003eBuilt to meet the rigorous demands of heavy-duty DC and AC systems, this \u003cstrong\u003eBlue Sea circuit breaker\u003c\/strong\u003e is suited for high-draw installations where safety and reliability are paramount:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eMain battery bank isolation and overcurrent protection in marine vessels, caravans, and motorhomes\u003c\/li\u003e\n\u003cli\u003eHigh-output inverter, inverter-charger, and large DC-DC charger circuits\u003c\/li\u003e\n\u003cli\u003eHeavy-duty winches, bow thrusters, and windlass systems\u003c\/li\u003e\n\u003cli\u003eIndustrial off-grid solar power distribution boards and commercial vehicle electrical systems\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eUpgrade Your Electrical Distribution System\u003c\/h3\u003e\u003cp\u003eEnsure your high-current wiring and appliances are protected with dependable, temperature-independent hardware. Integrate the Blue Sea C-Series 250A Triple-Pole Circuit Breaker into your switchboard or power distribution setup today for streamlined control and critical circuit safety.\u003c\/p\u003e","brand":"Blue Sea","offers":[{"title":"Default Title","offer_id":43631616917565,"sku":"BS-7270B","price":330.5,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0602\/3918\/3933\/files\/blue-sea-c-series-triple-pole-250a-toggle-breaker-bs-7270b.png?v=1792905330","url":"https:\/\/www.solar4rvs.com.au\/products\/blue-sea-250a-c-series-triple-pole-toggle-circuit-breaker","provider":"Solar 4 RVs","version":"1.0","type":"link"}