{"product_id":"blue-sea-20a-c-series-single-pole-toggle-circuit-breaker","title":"Blue Sea 20A 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 20A Single-Pole Toggle Circuit Breaker\u003c\/strong\u003e (BS-7353B) delivers reliable overcurrent protection and manual switching in a single, compact device. Engineered for demanding electrical systems across marine vessels, caravans, 4WDs, and off-grid setups, this unit simplifies distribution panel layouts by eliminating the need for a separate switch and fuse holder. Its distinct white toggle switch sits neatly within a robust black housing, offering intuitive manual control and immediate visual status indication.\u003c\/p\u003e\u003ch3\u003eWhy Choose Magnetic-Hydraulic Operation?\u003c\/h3\u003e\u003cp\u003eUnlike standard thermal circuit breakers that rely on heat to trip, the C-Series utilises advanced \u003cstrong\u003emagnetic-hydraulic technology\u003c\/strong\u003e. Standard thermal units can suffer from nuisance tripping when installed in hot engine bays, enclosed battery boxes, or canopies exposed to harsh Australian summer conditions. A magnetic-hydraulic mechanism operates via a magnetic coil and a fluid-damped core, ensuring the 20A trip point remains strictly governed by electrical current rather than ambient temperature fluctuations.\u003c\/p\u003e\u003cp\u003eThis precise hydraulic delay also handles temporary, harmless inrush currents common when starting pumps, compressors, or refrigeration units without prematurely interrupting the circuit. However, in the event of a genuine short circuit or sustained overload, the breaker responds rapidly to protect your wiring and sensitive electronics.\u003c\/p\u003e\u003ch3\u003eTrip-Free Safety and Robust Construction\u003c\/h3\u003e\u003cp\u003eSafety is central to the Blue Sea C-Series design. It incorporates a true \u003cstrong\u003etrip-free mechanism\u003c\/strong\u003e, meaning the internal contacts cannot be manually held closed during an active fault condition. If an overcurrent event persists, the breaker will trip internally even if the toggle switch is physically held in the 'ON' position, significantly reducing the risk of cable overheating or electrical fires.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDual-Function Design:\u003c\/strong\u003e Combines 20A overcurrent protection and manual ON\/OFF circuit switching into one streamlined unit.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMagnetic-Hydraulic Mechanism:\u003c\/strong\u003e Provides consistent, temperature-independent trip performance without derating in high-heat environments.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTrip-Free Operation:\u003c\/strong\u003e Internal contacts open automatically during a fault and cannot be forced closed until the issue is resolved.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eErgonomic White Toggle:\u003c\/strong\u003e Offers smooth manual operation and clear visual confirmation of the circuit status.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSecure Panel Mounting:\u003c\/strong\u003e Equipped with threaded brass mounting inserts for straightforward, vibration-resistant flush installation in custom or pre-fabricated switch panels.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHeavy-Duty Rear Terminals:\u003c\/strong\u003e Robust terminal studs ensure high-integrity, low-resistance cable connections that withstand mobile and marine vibration.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eVersatile Applications for Marine and Off-Grid Power\u003c\/h3\u003e\u003cp\u003eWhether you are fitting out a commercial marine vessel, upgrading a caravan 12V or 24V electrical system, or building a custom power distribution board, the Blue Sea BS-7353B provides dependable circuit management. By consolidating switching and protection, it reduces the number of connection points in your wiring harness, minimising potential voltage drop and simplifying fault finding in the field.\u003c\/p\u003e\u003ch3\u003eUpgrade Your Electrical Distribution Panel\u003c\/h3\u003e\u003cp\u003eEquip your power system with industry-recognised circuit protection. Add the Blue Sea C-Series 20A Single-Pole Toggle Circuit Breaker to your build today for dependable, temperature-stable switching and safety.\u003c\/p\u003e","brand":"Blue Sea","offers":[{"title":"Default Title","offer_id":43631621603389,"sku":"BS-7353B","price":80.31,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0602\/3918\/3933\/files\/blue-sea-c-series-20a-toggle-circuit-breaker-bs-7353b.png?v=1792905320","url":"https:\/\/www.solar4rvs.com.au\/products\/blue-sea-20a-c-series-single-pole-toggle-circuit-breaker","provider":"Solar 4 RVs","version":"1.0","type":"link"}