{"product_id":"blue-sea-32v-100a-st-12-circuit-blade-fuse-block","title":"Blue Sea 32V 100A ST 12-Circuit Blade Fuse Block","description":"\u003ch2\u003eCentralised 12-Circuit DC Power Distribution for Marine, Caravan, and Off-Grid Systems\u003c\/h2\u003e\u003cp\u003eManaging multiple electrical accessories in a dual battery setup, caravan, or marine vessel requires a systematic and secure approach to circuit protection. The \u003cstrong\u003eBlue Sea Systems ST Blade Fuse Block\u003c\/strong\u003e consolidates up to 12 independent branch circuits and their associated in-line fuses into a single, compact distribution point. Rated for systems up to \u003cstrong\u003e32V DC\u003c\/strong\u003e, it effortlessly handles standard \u003cstrong\u003e12V and 24V electrical installations\u003c\/strong\u003e, supporting up to \u003cstrong\u003e100A per block\u003c\/strong\u003e and \u003cstrong\u003e30A per individual circuit\u003c\/strong\u003e. By eliminating chaotic wiring harnesses and tangled in-line fuse holders directly connected to battery terminals, this distribution block streamlines installation, simplifies fault-finding, and enhances the overall safety of your auxiliary power system.\u003c\/p\u003e\u003ch3\u003eMarine-Grade Construction and High-Conductivity Engineering\u003c\/h3\u003e\u003cp\u003eInferior fuse blocks often utilise low-grade alloys that are prone to oxidation, voltage drop, and heat build-up under sustained electrical loads. To mitigate these risks, the Blue Sea ST series is constructed with \u003cstrong\u003etin-plated copper buses and fuse clips\u003c\/strong\u003e. This material selection ensures maximum electrical conductivity and superior resistance to corrosion, which is critical when operating in humid coastal environments, marine vessels, or dusty off-road conditions across Australia.\u003c\/p\u003e\u003cp\u003eMain positive power is supplied via a robust \u003cstrong\u003e#10-32 (Approx. M5) stud\u003c\/strong\u003e, engineered to handle high-amperage feed cables securely. Each of the 12 individual branch circuits is terminated using \u003cstrong\u003e#8-32 (Approx. M4) screws\u003c\/strong\u003e equipped with captive star lock washers. This thoughtful design detail prevents terminal screws from backing out when subjected to the heavy vibrations typical of corrugated outback tracks or choppy waters.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eConsolidated Circuit Protection:\u003c\/strong\u003e Manages 12 independent branch circuits in one central location, rated at 30A max per circuit and 100A max total load.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e32V DC Maximum Rating:\u003c\/strong\u003e Versatile compatibility for 12V and 24V DC architectures in automotive, marine, and off-grid applications.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTin-Plated Copper Components:\u003c\/strong\u003e Buses and fuse clips provide exceptional conductivity while resisting corrosion and thermal degradation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVibration-Resistant Terminations:\u003c\/strong\u003e #8-32 (Approx. M4) screw terminals feature captive star lock washers to maintain secure connections with ring or snap-fork terminals.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStandard Blade Fuse Compatibility:\u003c\/strong\u003e Accepts widely available ATO and ATC fast-acting blade fuses for straightforward maintenance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eContinuous Duty Capable:\u003c\/strong\u003e Suitable for 24-hour circuits such as bilge pumps, security systems, and refrigeration units.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003ePractical Installation and System Integration\u003c\/h3\u003e\u003cp\u003eDesigned for professional auto electricians and dedicated DIY builders alike, this 12-way fuse block integrates cleanly into custom switch panels, canopies, and electrical cabinets. The unit mounts securely via #8 (M4) screws and features a Positive Distribution Bus without a negative bus, making it ideal for systems where a dedicated negative busbar or chassis earth is already established. Please note that \u003cstrong\u003eATO and ATC fuses are sold separately\u003c\/strong\u003e, allowing you to select the exact amperage ratings required for each specific appliance being protected.\u003c\/p\u003e\u003ch3\u003eUpgrade Your Electrical Distribution\u003c\/h3\u003e\u003cp\u003eEnsure your auxiliary accessories, lighting, and critical 24-hour circuits are protected by industry-standard hardware. Incorporate the Blue Sea 12-Circuit ST Blade Fuse Block into your next 12V or 24V wiring project for a safer, cleaner, and more dependable electrical system.\u003c\/p\u003e","brand":"Blue Sea","offers":[{"title":"Default Title","offer_id":43631519531069,"sku":"BS-5034B","price":67.5,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0602\/3918\/3933\/files\/enerdrive-2f1eb8f6d5bca9dcc14cff09cf6ad1c8015a05bef3de1f2c869570da8655270d.jpg?v=1789580895","url":"https:\/\/www.solar4rvs.com.au\/products\/blue-sea-32v-100a-st-12-circuit-blade-fuse-block","provider":"Solar 4 RVs","version":"1.0","type":"link"}