{"product_id":"blue-sea-systems-5045-st-blade-compact-fuse-block-4-circuit-100a-32v-dc-ato-atc-with-cover","title":"Blue Sea Systems 5045 ST Blade Fuse Block, Compact 4-Circuit, 100 Amp, 32V DC","description":"\u003cp\u003eThe Blue Sea Systems 5045 is a compact ST blade fuse block that provides four fused outputs for organizing and protecting DC branch circuits aboard boats, RVs, and other 12V\/24V systems. Its surface-mount design places all terminals on one side, which reduces the installation footprint and simplifies wire routing in tight dashboards, consoles, and electrical panels. The block is rated for a maximum operating voltage of 32V DC and a maximum operating amperage of 100 amps per block, with the included clear insulating cover shielding energized terminals from accidental contact while leaving room for circuit identification. Write-on circuit labels are included for each of the four circuits, and small format standard and custom labels are also available separately for further identification. The block accepts standard ATO or ATC blade fuses, which are sold separately, and connects using #8-32 screw terminals with a captive star lock washer to keep wiring secure under vibration. It mounts with a #8 screw (M4). Internally, tin-plated copper buses and fuse clips resist corrosion and maintain reliable conductivity in marine and other demanding environments. The 5045 meets ISO 8846 and SAE J1171 external ignition protection requirements, making it suitable for use in gasoline engine spaces. It is a straightforward, professional-grade way to add organized, protected DC circuit distribution to a panel or console.\u003c\/p\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Blue Sea Systems\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer Part Number:\u003c\/strong\u003e 5045\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNumber of Circuits:\u003c\/strong\u003e 4\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaximum Operating Voltage:\u003c\/strong\u003e 32 volts DC\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaximum Operating Amperage:\u003c\/strong\u003e 100 amps per block\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAmperage per Circuit:\u003c\/strong\u003e Up to 30 amps\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFuse Type:\u003c\/strong\u003e ATO or ATC blade fuses (sold separately)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eScrew Terminal:\u003c\/strong\u003e #8-32 screws with captive star lock washer\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMounting:\u003c\/strong\u003e #8 screw (M4)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRegulatory Compliance:\u003c\/strong\u003e Meets ISO 8846 and SAE J1171 external ignition protection requirements\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDimensions:\u003c\/strong\u003e 3.64 inches wide x 1.28 inches high\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 0.25 pounds\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Plastic housing with tin-plated copper buses\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIncluded Components:\u003c\/strong\u003e Fuse block, cover, 4 write-on circuit labels\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eHow many circuits does the Blue Sea Systems 5045 fuse block have?\u003c\/strong\u003e The 5045 has four individually fused circuits, letting you distribute and protect power to four separate DC accessories or systems from one compact block.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat is the maximum amperage rating of the 5045 fuse block?\u003c\/strong\u003e It is rated for a maximum of 100 amps per block, with up to 30 amps supported on each of the four individual circuits.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat type of fuses does the Blue Sea Systems 5045 use?\u003c\/strong\u003e It accepts standard ATO or ATC blade fuses, which are sold separately and can be matched to the amperage needs of each circuit.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat voltage systems is the 5045 fuse block designed for?\u003c\/strong\u003e The block has a maximum operating voltage of 32V DC, making it suitable for standard 12V and 24V marine, automotive, and RV electrical systems.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eDoes the 5045 come with a cover?\u003c\/strong\u003e Yes, a clear insulating cover is included that shields the terminals from accidental contact while still allowing space for circuit labels.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eHow do I identify which fuse controls which circuit?\u003c\/strong\u003e The 5045 includes write-on circuit labels for each of the four circuits, and Blue Sea Systems also offers small format standard and custom labels separately for additional identification.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eHow does the 5045 mount and connect to wiring?\u003c\/strong\u003e It mounts using a #8 screw (M4) and terminates with #8-32 screw terminals fitted with a captive star lock washer to keep connections secure under vibration.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eIs the Blue Sea Systems 5045 ignition protected?\u003c\/strong\u003e Yes, it meets ISO 8846 and SAE J1171 external ignition protection requirements, which is important for installation in or near gasoline engine compartments.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat is the 5045 fuse block made of?\u003c\/strong\u003e The housing is plastic, and the internal buses and fuse clips are tin-plated copper for corrosion resistance and reliable long-term conductivity.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat are the dimensions and weight of the 5045?\u003c\/strong\u003e The 5045 measures 3.64 inches wide by 1.28 inches high and weighs 0.25 pounds.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eAre fuses included with the 5045 block?\u003c\/strong\u003e No, ATO or ATC fuses are sold separately from the 5045 fuse block and cover assembly.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat is included when I order part number 5045?\u003c\/strong\u003e The 5045 ships as a fuse block with its insulating cover and four write-on circuit labels.\u003c\/p\u003e","brand":"Blue Sea Systems","offers":[{"title":"Default Title","offer_id":48989499883739,"sku":"BSS-5045","price":35.17,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0839\/7586\/4539\/files\/5045.jpg?v=1784507071","url":"https:\/\/www.goodvibesmarina.com\/products\/blue-sea-systems-5045-st-blade-compact-fuse-block-4-circuit-100a-32v-dc-ato-atc-with-cover","provider":"Good Vibes Marina","version":"1.0","type":"link"}