{"product_id":"blue-sea-mrbf-terminal-fuse-block-30-to-300a","title":"Blue Sea 30-300A Marine Rated Battery (MRBF) Single Terminal Fuse","description":"\u003ch2\u003eSpace-Saving High-Amperage Circuit Protection\u003c\/h2\u003e \u003cp\u003e*Please note Blue Sea fuses are manufactured by Eaton, Bussman or Ionnic and may have labelling of one of these manufacturers on the product and\/or packaging.\u003c\/p\u003e \u003cp\u003eThe \u003cstrong\u003eBlue Sea Marine Rated Battery (MRBF) Single Terminal Fuse Block\u003c\/strong\u003e solves one of the most common challenges in marine and automotive electrical installations: limited space. By mounting directly onto the battery terminal, this fuse block eliminates the need for short, difficult-to-install cable runs between the battery and a traditional firewall-mounted fuse holder. This design not only saves valuable room in crowded battery compartments but also reduces resistance and potential failure points in your high-current cabling.\u003c\/p\u003e \u003cp\u003eEngineered for demanding environments, this unit is ideal for protecting high-load circuits such as \u003cstrong\u003einverters, windlasses, and bow thrusters\u003c\/strong\u003e. With a maximum voltage rating of \u003cstrong\u003e58V DC\u003c\/strong\u003e, it is perfectly suited for modern 12V, 24V, and 48V electrical systems found in boats, caravans, and off-grid 4WD setups.\u003c\/p\u003e \u003ch3\u003eDirect Battery Terminal Mounting\u003c\/h3\u003e \u003cp\u003eThe primary advantage of the \u003cstrong\u003eBlue Sea Marine Rated Battery (MRBF) Single Terminal Fuse Block\u003c\/strong\u003e is its ability to interface directly with the power source. It is designed to mount securely onto a standard \u003cstrong\u003e3\/8\" (Approx. M10)\u003c\/strong\u003e battery terminal stud. By fusing the circuit right at the battery post, you ensure maximum safety; if a fault occurs in the main cable running to your equipment, the fuse will blow immediately at the source, preventing potential fire hazards associated with unprotected live cables.\u003c\/p\u003e \u003ch3\u003eVersatile and Robust Design\u003c\/h3\u003e \u003cp\u003eConstructed with marine-grade materials, this fuse block is built to withstand the harsh conditions of the Australian outdoors. The hardware includes stainless steel studs and tin-plated copper bus bars for maximum conductivity and corrosion resistance. The unit features \u003cstrong\u003eM8 (Approx. 8mm)\u003c\/strong\u003e studs for connecting your load cables, accommodating heavy-duty lugs and cabling required for loads up to \u003cstrong\u003e300A\u003c\/strong\u003e.\u003c\/p\u003e \u003cp\u003eSafety is paramount in high-current applications. The included insulating cap prevents accidental shorts across the conductive terminals, satisfying ABYC\/USCG requirements for insulation when installed correctly. The versatile design allows for flexible cable orientation, making it easier to route heavy gauge wire in tight lockers.\u003c\/p\u003e \u003ch3\u003eSingle Circuit Simplicity\u003c\/h3\u003e \u003cp\u003eThis model features a compact single-terminal design, perfect for dedicating a fused line to a specific high-load device or a main DC distribution panel where footprint minimization is critical.\u003c\/p\u003e \u003ch3\u003eKey Features\u003c\/h3\u003e \u003cul\u003e \u003cli\u003e \u003cstrong\u003eHigh Interrupt Rating:\u003c\/strong\u003e Safely handles high amperage loads up to 300A.\u003c\/li\u003e \u003cli\u003e \u003cstrong\u003eCompact Footprint:\u003c\/strong\u003e Mounts directly to \u003cstrong\u003e3\/8\" (Approx. M10)\u003c\/strong\u003e battery studs, saving panel space.\u003c\/li\u003e \u003cli\u003e \u003cstrong\u003eVoltage Versatility:\u003c\/strong\u003e Rated for 58V DC, suitable for 12V, 24V, and 48V systems.\u003c\/li\u003e \u003cli\u003e \u003cstrong\u003eSecure Connections:\u003c\/strong\u003e Uses \u003cstrong\u003eM8 (Approx. 8mm)\u003c\/strong\u003e output studs for secure cable termination.\u003c\/li\u003e \u003cli\u003e \u003cstrong\u003eSafety Cap:\u003c\/strong\u003e Insulating cap protects against accidental short circuits.\u003c\/li\u003e \u003cli\u003e \u003cstrong\u003eCorrosion Resistant:\u003c\/strong\u003e Tinned copper and marine-grade stainless steel hardware.\u003c\/li\u003e \u003c\/ul\u003e \u003cp\u003eWhether you are refitting a yacht or building a custom tourer, the \u003cstrong\u003eBlue Sea Marine Rated Battery (MRBF) Single Terminal Fuse Block\u003c\/strong\u003e provides professional, reliable, and neat circuit protection exactly where you need it.\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eSecure your high-current electrical system today with this compact terminal fuse solution.\u003c\/strong\u003e\u003c\/p\u003e","brand":"Blue Sea","offers":[{"title":"Default Title","offer_id":55056822862163,"sku":"BS-5191B","price":24.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1076\/9324\/4755\/files\/blue-sea-mrbf-terminal-fuse-block-bs-5191b.webp?v=1790336330","url":"https:\/\/progradewarehouse.com\/products\/blue-sea-mrbf-terminal-fuse-block-30-to-300a","provider":"PRO GRADE WAREHOUSE","version":"1.0","type":"link"}