{"product_id":"12v-40a-relay-fuse-box","title":"12V 40A Automotive Relay Fuse Box - Pre-Wired Modular 3-Slot Block","description":"\u003ch2\u003e\n\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0615\/3227\/4881\/files\/RB-R1F3-W1_12V_40A_Automotive_Relay_Fuse_Box.jpg?v=1790141011\" alt=\"\"\u003ePackage Includes\u003c\/h2\u003e\n\u003cp\u003e1 x Modular Relay \u0026amp; Fuse Socket Block\u003c\/p\u003e\n\u003cp\u003e1 x 4-Pin 12V 40A JD1912 Relay\u003c\/p\u003e\n\u003cp\u003e3 x  Blade Fuse (1 x 10A, 1 x 20A, 1 x 30A)\u003c\/p\u003e\n\u003cp\u003e1 x Stainless Steel Mounting Screw\u003c\/p\u003e\n\u003ch2\u003eProduct Features\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eIndependent Triple-Fused Protection:\u003c\/strong\u003e This triple-slot blade fuse block distributes a single primary battery feed into three independently protected accessory circuits. Three included ATC\/ATO blade fuses (10A, 20A, 30A) safeguard sensitive lighting bars, fog lamps, and auxiliary horns against sudden electrical shorts.\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHeavy-Duty 40A Switching:\u003c\/strong\u003e The pre-installed 12V 40A JD1912 automotive relay uses a robust 4-pin SPST contact configuration to handle high-power current spikes safely. This heavy-duty switching unit allows low-current interior dash toggles to safely control demanding exterior auxiliary devices.\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003ePre-Wired Color-Coded Harness:\u003c\/strong\u003e Color-coded pure copper lead wires arrive fully seated into the underside terminals to eliminate tedious manual pin crimping. The organized harness layout uses dedicated wire colors for battery positive, ground, trigger switch, and accessory load lines.\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eInterlocking Modular Expandability:\u003c\/strong\u003e Built-in lateral interlocking slide tracks allow multiple single blocks to snap together seamlessly into a customized multi-channel bank. This modular expandable design lets installers add extra switched circuits over time while maintaining a clean, factory-style appearance.\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCompact Engine-Bay Profile:\u003c\/strong\u003e The compact 2.36\" x 1.99\" x 1.35\" nylon housing tucks easily into crowded engine compartments, under dashboards, or inside RV battery boxes. An integrated mounting tab with a stainless screw provides a secure, vibration-resistant anchor point on trucks, ATVs, cars, and marine vessels.\u003cbr\u003e\u003c\/p\u003e\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse;\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"text-align: left; vertical-align: top; width: 28.8598%;\"\u003eModel\u003c\/td\u003e\n\u003ctd style=\"text-align: left; vertical-align: top; width: 71.1756%;\"\u003eRB-R1F3-W1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"ng-star-inserted\" style=\"width: 28.8598%;\"\u003e\u003cspan class=\"ng-star-inserted\"\u003e\u003cspan class=\"ng-star-inserted\"\u003eRelay Model\u003c\/span\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd class=\"ng-star-inserted\" style=\"width: 71.1756%;\"\u003e\u003cspan class=\"ng-star-inserted\"\u003e\u003cspan class=\"ng-star-inserted\"\u003e4-Pin JD1912 SPST Automotive Relay (12V DC 40A)\u003c\/span\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"ng-star-inserted\" style=\"width: 28.8598%;\"\u003e\u003cspan class=\"ng-star-inserted\"\u003e\u003cspan class=\"ng-star-inserted\"\u003eFuse Compatibility\u003c\/span\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd class=\"ng-star-inserted\" style=\"width: 71.1756%;\"\u003e\u003cspan class=\"ng-star-inserted\"\u003e\u003cspan class=\"ng-star-inserted\"\u003e3-Slot Standard ATC \/ ATO Blade Fuse Ports\u003c\/span\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"ng-star-inserted\" style=\"width: 28.8598%;\"\u003e\u003cspan class=\"ng-star-inserted\"\u003e\u003cspan class=\"ng-star-inserted\"\u003eIncluded Fuses\u003c\/span\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd class=\"ng-star-inserted\" style=\"width: 71.1756%;\"\u003e\u003cspan class=\"ng-star-inserted\"\u003e\u003cspan class=\"ng-star-inserted\"\u003e1x 10A (Red), 1x 20A (Yellow), 1x 30A (Green)\u003c\/span\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"ng-star-inserted\" style=\"width: 28.8598%;\"\u003e\u003cspan class=\"ng-star-inserted\"\u003e\u003cspan class=\"ng-star-inserted\"\u003eWiring Spec\u003c\/span\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd class=\"ng-star-inserted\" style=\"width: 71.1756%;\"\u003e\u003cspan class=\"ng-star-inserted\"\u003ePre-Wired Pure Copper Multi-Color Harness\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"ng-star-inserted\" style=\"width: 28.8598%;\"\u003e\u003cspan class=\"ng-star-inserted\"\u003e\u003cspan class=\"ng-star-inserted\"\u003eModular Structure\u003c\/span\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd class=\"ng-star-inserted\" style=\"width: 71.1756%;\"\u003e\u003cspan class=\"ng-star-inserted\"\u003eSide Male\/Female Interlocking Sliding Grooves\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"ng-star-inserted\" style=\"width: 28.8598%;\"\u003e\u003cspan class=\"ng-star-inserted\"\u003e\u003cspan class=\"ng-star-inserted\"\u003eHousing Dimensions\u003c\/span\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd class=\"ng-star-inserted\" style=\"width: 71.1756%;\"\u003e\u003cspan class=\"ng-star-inserted\"\u003e\u003cspan class=\"ng-star-inserted\"\u003e2.36\" L x 1.99\" H x 1.35\" W (6.0 x 5.0 x 3.4 cm)\u003c\/span\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"ng-star-inserted\" style=\"width: 28.8598%;\"\u003e\u003cspan class=\"ng-star-inserted\"\u003e\u003cspan class=\"ng-star-inserted\"\u003eEnclosure Material\u003c\/span\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd class=\"ng-star-inserted\" style=\"width: 71.1756%;\"\u003e\u003cspan class=\"ng-star-inserted\"\u003eHigh-Temperature Flame-Retardant Reinforced Nylon\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"ng-star-inserted\" style=\"width: 28.8598%;\"\u003e\u003cspan class=\"ng-star-inserted\"\u003e\u003cspan class=\"ng-star-inserted\"\u003eMounting Hardware\u003c\/span\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd class=\"ng-star-inserted\" style=\"width: 71.1756%;\"\u003e\u003cspan class=\"ng-star-inserted\"\u003eIntegrated Lower Flange Hole with Stainless Screw\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0615\/3227\/4881\/files\/RB-R1F3-W1_12V_40A_Automotive_Relay_Fuse_Box_Dimension.jpg?v=1790141008\" alt=\"\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0615\/3227\/4881\/files\/RB-R1F3-W1_12V_40A_Automotive_Relay_Fuse_Box_Wiring.jpg?v=1790141007\" alt=\"\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0615\/3227\/4881\/files\/RB-R1F3-W1_12V_40A_Automotive_Relay_Fuse_Box_with_Fuse.jpg?v=1790141010\" alt=\"\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0615\/3227\/4881\/files\/RB-R1F3-W1_12V_40A_Automotive_Relay_Fuse_Box_Wide_Application.jpg?v=1790141011\" alt=\"\"\u003e\u003c\/p\u003e","brand":"DAIER","offers":[{"title":"Default Title","offer_id":50550863855809,"sku":"RB-R1F3-W1","price":12.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0615\/3227\/4881\/files\/rb-r1f3-w1-relay-fuse-box-product-overview.jpg?v=1788287529","url":"https:\/\/www.daierswitches.com\/nl\/products\/12v-40a-relay-fuse-box","provider":"DAIER","version":"1.0","type":"link"}