{"product_id":"blue-sea-100a-c-series-single-pole-toggle-circuit-breaker","title":"Blue Sea 100A C-Series Single-Pole Toggle Circuit Breaker","description":"\u003ch2\u003eIntegrated Magnetic-Hydraulic Circuit Protection and Switching\u003c\/h2\u003e\u003cp\u003eThe \u003cstrong\u003eBlue Sea C-Series 100A Single-Pole Toggle Circuit Breaker\u003c\/strong\u003e combines manual circuit switching and reliable overcurrent protection into one compact, robust unit. Engineered for demanding electrical systems across marine, RV, caravan, and off-grid solar installations, this heavy-duty breaker eliminates the need for a separate switch and fuse block. By consolidating these components, it saves valuable panel space, reduces wiring complexity, and minimises potential failure points in high-amperage circuits.\u003c\/p\u003e\u003ch3\u003eAdvanced Magnetic-Hydraulic Technology\u003c\/h3\u003e\u003cp\u003eUnlike standard thermal circuit breakers that rely on a heat-sensitive bimetallic strip, the C-Series utilises a precision \u003cstrong\u003emagnetic-hydraulic trip mechanism\u003c\/strong\u003e. Standard thermal units can suffer from nuisance tripping in hot engine bays, battery enclosures, or sun-exposed distribution panels, and may fail to trip promptly in freezing conditions. A magnetic-hydraulic breaker operates via a solenoid coil and a fluid-damped mechanical delay, meaning its trip curve remains entirely unaffected by ambient temperature fluctuations. It delivers consistent, predictable overcurrent protection while accommodating brief, normal startup inrush currents from inverters, windlasses, and heavy DC loads without false tripping.\u003c\/p\u003e\u003ch3\u003eKey Features and Benefits\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDual-Function Design:\u003c\/strong\u003e Combines manual ON\/OFF circuit switching with automatic overcurrent trip protection in a single device.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTemperature-Stable Operation:\u003c\/strong\u003e Magnetic-hydraulic actuation ensures accurate trip performance regardless of hot or cold ambient conditions.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTrip-Free Mechanism:\u003c\/strong\u003e Internal safety architecture prevents the breaker from being manually held in the ON position while an electrical fault or overload persists.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh-Current Rear Studs:\u003c\/strong\u003e Equipped with heavy-duty rear terminal studs designed to securely accept high-amperage ring terminals and large-gauge battery cables.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlush Panel Mounting:\u003c\/strong\u003e Integrated threaded mounting inserts allow for a clean, secure installation into custom switch panels and power distribution boards.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eErgonomic White Toggle:\u003c\/strong\u003e Provides clear visual indication of circuit status and smooth manual actuation for main or branch circuit isolation.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eReducing Risk in High-Amperage Electrical Systems\u003c\/h3\u003e\u003cp\u003eManaging 100A loads requires components that prevent excessive voltage drop and thermal buildup. Inferior protection devices often feature undersized terminals or poorly calibrated mechanisms that introduce resistance, generate excess heat, or fail to isolate faults safely. The \u003cstrong\u003eBlue Sea C-Series\u003c\/strong\u003e mitigates these risks through its robust internal contacts and solid rear stud terminals, ensuring a low-resistance connection for heavy cable lugs. Furthermore, the trip-free safety design protects your wiring harness and connected appliances by ensuring the circuit immediately opens during a short circuit or sustained overload, even if the white toggle actuator is physically obstructed.\u003c\/p\u003e\u003ch3\u003eIdeal Applications\u003c\/h3\u003e\u003cp\u003eThis 100A single-pole breaker is widely used by marine electricians, auto electricians, and off-grid system builders for:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eMain DC circuit protection and battery bank isolation in boats, yachts, and marine vessels\u003c\/li\u003e\n\u003cli\u003eHigh-current sub-panel feeds in caravans, camper trailers, and motorhomes\u003c\/li\u003e\n\u003cli\u003eOvercurrent protection for DC-DC chargers, small-to-medium inverters, and heavy-duty winches\u003c\/li\u003e\n\u003cli\u003e4WD dual battery systems and industrial mobile power setups\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eUpgrade Your Circuit Protection\u003c\/h3\u003e\u003cp\u003eEnsure safe, temperature-independent overcurrent management for your high-draw electrical circuits. Add the Blue Sea C-Series 100A Toggle Circuit Breaker to your distribution setup today for dependable switching and protection.\u003c\/p\u003e","brand":"Blue Sea","offers":[{"title":"Default Title","offer_id":43631615377469,"sku":"BS-7250B","price":80.31,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0602\/3918\/3933\/files\/blue-sea-100a-single-pole-toggle-breaker-bs-7250b.png?v=1792905267","url":"https:\/\/www.solar4rvs.com.au\/products\/blue-sea-100a-c-series-single-pole-toggle-circuit-breaker","provider":"Solar 4 RVs","version":"1.0","type":"link"}