{"product_id":"bojack-mrbf-terminal-fuse-block-250a-marine-battery-fuse-holder-ip66-waterproof-stainless-steel-studs","title":"BOJACK MRBF Terminal Fuse Block 250A Marine Battery Fuse Holder IP66 Waterproof, Stainless-Steel Studs","description":"\u003cb\u003eBOJACK MRBF 250A terminal fuse block is a compact, marine-rated battery fuse holder that delivers up to 250 amps of DC circuit protection with IP66 waterproofing.\u003c\/b\u003e\n\n\u003cp\u003eThis dual MRBF-style fuse block is engineered for high-current DC systems where space is limited and environmental resistance matters. Built from heat-resistant thermoplastic with stainless steel studs and a clear PES fuse housing, the assembly combines robust conductivity with a sealed cap to reduce corrosion and accidental shorts.\u003c\/p\u003e\n\n\u003ch3\u003eHow does this fuse block protect high-current DC circuits?\u003c\/h3\u003e\n\u003cp\u003eThe BOJACK MRBF fuse block interrupts excessive current to prevent wiring and component damage in 12–48V systems (rated to 58V DC max). Its 250A fuse element is nickel-plated copper-alloy for reliable conduction and predictable fuse performance under load.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e250A MRBF fuse element for high-current interruption\u003c\/li\u003e\n  \u003cli\u003eNickel-plated copper-alloy fuse for low resistance and durability\u003c\/li\u003e\n  \u003cli\u003eCeramic insulation improves thermal stability and arc resistance\u003c\/li\u003e\n  \u003cli\u003eStainless-steel studs and hardware resist corrosion and heat\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat makes this holder suitable for marine and harsh environments?\u003c\/h3\u003e\n\u003cp\u003eThe unit carries an IP66 protection rating and includes a waterproof, dustproof cap that shields the terminal from spray and debris. Combined with corrosion-resistant studs and a thermoplastic body, the block resists typical marine stresses like salt, vibration, and temperature swings.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eIP66-rated housing keeps out heavy spray and dust\u003c\/li\u003e\n  \u003cli\u003eWaterproof cap reduces risk of accidental shorting and contamination\u003c\/li\u003e\n  \u003cli\u003ePA66-RG301 thermoplastic body withstands heat and mechanical strain\u003c\/li\u003e\n  \u003cli\u003eStainless-steel studs and nuts provide long-term corrosion resistance\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow do I install and size this fuse block for my system?\u003c\/h3\u003e\n\u003cp\u003eMounting is straightforward: the block uses M10 (3\/8\") mounting holes and M8 (5\/16\") studs for battery or busbar connections. Choose the correct MRBF amperage for your circuit — this product ships with a single included 250A fuse unless you select a different rating at purchase.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eMount with M10 (3\/8\") fastener for secure attachment\u003c\/li\u003e\n  \u003cli\u003eConnect battery or inverter cables to M8 (5\/16\") studs\u003c\/li\u003e\n  \u003cli\u003eSelect fuse amperage to match cable and device ratings before buying\u003c\/li\u003e\n  \u003cli\u003eIncludes washer, lock washer, hex nut and red insulating cap\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat materials and parts are used for electrical performance and safety?\u003c\/h3\u003e\n\u003cp\u003eThe BOJACK fuse block pairs high-quality insulating and conductive materials to balance safety with low electrical loss. A ceramic fuse insulation combined with a thermoplastic base and nickel-plated copper alloy fuse ensures stable performance under demanding loads.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eCeramic insulation for heat resistance and reduced arcing\u003c\/li\u003e\n  \u003cli\u003ePA66 thermoplastic body for mechanical strength and temperature tolerance\u003c\/li\u003e\n  \u003cli\u003eNickel-plated copper-alloy fuse for excellent conductivity\u003c\/li\u003e\n  \u003cli\u003ePES clear fuse housing for visual inspection of the fuse element\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho this is for: The BOJACK MRBF 250A terminal fuse block is aimed at boat owners, RV and motorhome builders, electricians, and anyone working on DC power systems that demand compact, high-current protection in exposed or damp environments. It’s particularly useful where reliable conductivity, corrosion resistance, and a waterproof safety cap are required in tight installation spaces.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Is the BOJACK MRBF fuse block waterproof?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes — the holder is IP66-rated and includes a waterproof cap to protect the terminal from spray and dust.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: What voltage and current does this fuse support?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: It supports up to 58V DC maximum and is supplied with a 250A MRBF fuse (choose different amperage when ordering).\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"BOJACK","offers":[{"title":"Default Title","offer_id":48087080468638,"sku":"B0CHJPN1ZS","price":30.48,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0781\/2041\/9486\/files\/bojack-front-view-fuse-block_219669cc-9042-4e67-817d-eac5d0ec465d.jpg?v=1785916179","url":"https:\/\/northtrailauto.ca\/products\/bojack-mrbf-terminal-fuse-block-250a-marine-battery-fuse-holder-ip66-waterproof-stainless-steel-studs","provider":"North Trail Auto","version":"1.0","type":"link"}