{"product_id":"24-volt-forsakringsrelabox","title":"Pre-wired Fuse \u0026 Relay Box – 6 relays + 6 fuses","description":"\u003cdiv class=\"product-page\"\u003e\n\u003ch2\u003ePre-wired Fuse \u0026amp; Relay Box – 6 Relays + 6 Fuses (ATC\/ATO) for Car, Marine \u0026amp; Boat (12V \/ 24V)\u003c\/h2\u003e\n\u003c!-- KORTVERSION 200–300 ORD --\u003e\n\u003csection id=\"kortversion\"\u003e\n\u003ch2\u003eBrief Overview\u003c\/h2\u003e\n\u003cp\u003eThis \u003cstrong\u003epre-wired fuse and relay box\u003c\/strong\u003e is a convenient solution when you want to build a clean and safe electrical installation in a \u003cstrong\u003ecar\u003c\/strong\u003e, \u003cstrong\u003ecamper van\u003c\/strong\u003e, \u003cstrong\u003emarine vessel\u003c\/strong\u003e, or \u003cstrong\u003eboat\u003c\/strong\u003e. You get a compact central unit that combines \u003cstrong\u003e6 relays\u003c\/strong\u003e and \u003cstrong\u003e6 fuse slots\u003c\/strong\u003e (ATC\/ATO), allowing you to control multiple consumers (e.g., auxiliary lights, work lights, compressor, cooling fan, fuel pump, inverter, bilge pump, LED light bars, or accessory sockets) in a structured manner.\u003c\/p\u003e\n\u003cp\u003eThe advantage of a \u003cstrong\u003epre-wired\u003c\/strong\u003e box is that it saves time and reduces the risk of incorrect wiring: relays and fuses are grouped together, and the installation becomes easier to troubleshoot and service later on. The box is specified for \u003cstrong\u003eDC12V\u003c\/strong\u003e (model \u003cstrong\u003eRB-R6F6-W2\u003c\/strong\u003e) and is also mentioned as a variant for \u003cstrong\u003e24V\u003c\/strong\u003e. The fuse type is \u003cstrong\u003eATC\/ATO\u003c\/strong\u003e, and the specified fuse sizes are \u003cstrong\u003e5A, 10A, 15A, 20A, 25A, and 30A\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003ePerfect if you want to avoid tangled wires and instead get a clear, professional electrical center that makes it easy to separate circuits, size fuses per consumer, and use relay control for stable operation.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e12V \/ 24V variants\u003c\/strong\u003e (according to product text)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e6 relays + 6 fuse slots\u003c\/strong\u003e (ATC\/ATO)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eModel:\u003c\/strong\u003e RB-R6F6-W2 (12V according to spec)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFuse sizes:\u003c\/strong\u003e 5A–30A (specified)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFor:\u003c\/strong\u003e car, marine, boat\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/section\u003e\n\u003chr\u003e\n\u003cnav aria-label=\"Innehållsförteckning\" id=\"toc\"\u003e\n\u003ch2\u003eTable of Contents\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"#vad-ar\"\u003eWhat is a Fuse \u0026amp; Relay Box?\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"#anvandning\"\u003eCommon Use Cases\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"#fordelar\"\u003eAdvantages of a Pre-wired Box\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"#valj-sakring\"\u003eHow to Choose the Right Fuse (5A–30A)\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"#installation\"\u003eStep-by-Step: Installation (Basic Principle)\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"#felsokning\"\u003eTroubleshooting\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"#spec\"\u003eSpecifications\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"#forpackning\"\u003ePackage Contents\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"#faq\"\u003eFAQ\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"#ansvar\"\u003eNotes \u0026amp; Safety\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"#sammanfattning\"\u003eSummary\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/nav\u003e\u003chr\u003e\n\u003cp style=\"margin: 0 0 10px 0;\" class=\"breadcrumbs\"\u003e\u003ca href=\"\/en-en\"\u003eHome\u003c\/a\u003e  \/  \u003ca href=\"\/en-en\/collections\/elsystem\"\u003eElectrical System\u003c\/a\u003e  \/  \u003ca href=\"\/en-en\/collections\/sakringar-relaer\"\u003eFuses \u0026amp; Relays\u003c\/a\u003e  \/  \u003cspan aria-current=\"page\"\u003ePre-wired Fuse \u0026amp; Relay Box 6+6\u003c\/span\u003e\u003c\/p\u003e\n\u003csection id=\"vad-ar\"\u003e\n\u003ch2\u003eWhat is a Fuse \u0026amp; Relay Box?\u003c\/h2\u003e\n\u003cp\u003eA fuse and relay box is an electrical control unit that does two things:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eFuses\u003c\/strong\u003e protect each circuit against short circuits and overload.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRelays\u003c\/strong\u003e allow you to control higher currents with a small control signal (e.g., from a switch, ignition signal, or control module).\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eWhen the box is \u003cstrong\u003epre-wired\u003c\/strong\u003e, installation is often faster and more organized, and it becomes easier to expand with more accessories.\u003c\/p\u003e\n\u003c\/section\u003e\n\u003chr\u003e\n\u003csection id=\"anvandning\"\u003e\n\u003ch2\u003eCommon Use Cases\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eAuxiliary lights \/ LED light bars\u003c\/li\u003e\n\u003cli\u003eWork lighting (flatbed, machine, workshop)\u003c\/li\u003e\n\u003cli\u003eCompressors, horns, pumps (e.g., bilge pump, washdown pump)\u003c\/li\u003e\n\u003cli\u003eFans and cooling\u003c\/li\u003e\n\u003cli\u003eInverters, USB\/12V sockets, accessories in camper vans\u003c\/li\u003e\n\u003cli\u003eMarine installations where you want a clear central unit for multiple circuits\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/section\u003e\n\u003chr\u003e\n\u003csection id=\"fordelar\"\u003e\n\u003ch2\u003eAdvantages of a Pre-wired Box\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eFaster assembly\u003c\/strong\u003e than building everything from loose relays\/fuse holders\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCleaner installation\u003c\/strong\u003e – less \"cable spaghetti\"\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEasier troubleshooting\u003c\/strong\u003e – you see fuses\/relays grouped together\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eService-friendly\u003c\/strong\u003e – easy to replace fuses\/relays\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBetter electrical safety\u003c\/strong\u003e when circuits are clearly separated and correctly fused\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/section\u003e\n\u003chr\u003e\n\u003csection id=\"valj-sakring\"\u003e\n\u003ch2\u003eHow to Choose the Right Fuse (5A–30A)\u003c\/h2\u003e\n\u003cp\u003eThe fuse should protect the \u003cstrong\u003ecable and the load\u003c\/strong\u003e. A rule of thumb is that the fuse should be \u003cstrong\u003eslightly above the normal operating current\u003c\/strong\u003e, but \u003cstrong\u003ebelow\u003c\/strong\u003e what the cable can handle. Example:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e5A–10A:\u003c\/strong\u003e LED lighting, smaller accessories\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e15A–20A:\u003c\/strong\u003e larger lights, some pumps, smaller inverters\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e25A–30A:\u003c\/strong\u003e heavier loads (requires correct cable dimensioning and relay control)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eIf you are unsure: calculate power (W) and voltage (V). \u003cstrong\u003eCurrent (A) ≈ W \/ V\u003c\/strong\u003e. At 12V, the same power results in twice as high a current as at 24V, which affects fuse and cable selection.\u003c\/p\u003e\n\u003c\/section\u003e\n\u003chr\u003e\n\u003csection id=\"installation\"\u003e\n\u003ch2\u003eStep-by-Step: Installation (Basic Principle)\u003c\/h2\u003e\n\u003cp\u003eThe exact wiring depends on how the box is pre-wired, but a typical installation follows this logic:\u003c\/p\u003e\n\u003ch3\u003e1) Plan the Circuits\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eDecide which 6 loads you want to power (one per fuse\/relay)\u003c\/li\u003e\n\u003cli\u003eChoose the fuse size per load\u003c\/li\u003e\n\u003cli\u003ePlan where the box should be mounted (dry, protected, easily accessible)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e2) Power Supply\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eTake a \u003cstrong\u003emain power feed\u003c\/strong\u003e from the battery\/positive (12V or 24V depending on variant)\u003c\/li\u003e\n\u003cli\u003ePreferably install a \u003cstrong\u003emain fuse\u003c\/strong\u003e near the battery for the entire feed\u003c\/li\u003e\n\u003cli\u003eConnect ground (negative) to a good ground point\/chassis or directly to the battery depending on the installation\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e3) Connect the Loads\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eConnect each consumer to its output via fuse\/relay\u003c\/li\u003e\n\u003cli\u003eSize the cable according to the current\u003c\/li\u003e\n\u003cli\u003eInstall a fuse that matches the load\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e4) Relay Control\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eRelays can be controlled via a switch, ignition signal, or control module (depending on your setup)\u003c\/li\u003e\n\u003cli\u003eTest one circuit at a time and label the cables\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp style=\"padding: 12px; border: 1px solid #e5e5e5; border-radius: 10px;\"\u003e\u003cstrong\u003eTip:\u003c\/strong\u003e In marine\/boat applications: use corrosion-protected cable lugs, heat shrink tubing, and a correctly fused main power supply to minimize the risk of loose connections and oxidation.\u003c\/p\u003e\n\u003c\/section\u003e\n\u003chr\u003e\n\u003csection id=\"felsokning\"\u003e\n\u003ch2\u003eTroubleshooting\u003c\/h2\u003e\n\u003ch3\u003eOne Circuit Not Working\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eCheck that the fuse is intact and correctly sized\u003c\/li\u003e\n\u003cli\u003eSwap the relay with another slot (if the relays are identical) to see if the fault moves\u003c\/li\u003e\n\u003cli\u003eCheck the ground point and voltage drop under load\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFuse Blows Immediately\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eOften indicates a short circuit or incorrect wiring\u003c\/li\u003e\n\u003cli\u003eCheck cable routing, chafing, incorrect polarity, and incorrectly connected consumers\u003c\/li\u003e\n\u003cli\u003eDo not increase the fuse size \"just to make it work\" – find the cause\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eRelay Clicks but Load Does Not Start\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eCheck that the output is actually receiving voltage\u003c\/li\u003e\n\u003cli\u003eCheck the load's ground and that the load is not faulty\u003c\/li\u003e\n\u003cli\u003eCheck the contact\/connection in the box\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/section\u003e\n\u003chr\u003e\n\u003csection id=\"spec\"\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ch3\u003e12V Variant\u003c\/h3\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse;\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003e\u003cstrong\u003eITEM\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003e12-Way Automotive Fuse Block (Fuse Relay Box 6 relays + 6 fuses)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003e\u003cstrong\u003eModel\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003eRB-R6F6-W2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003e\u003cstrong\u003eInput Voltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003eDC12V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003e\u003cstrong\u003eRated Current (fuses)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003e5A, 10A, 15A, 20A, 25A, 30A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003e\u003cstrong\u003eFuse Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003eATC \/ ATO\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3 style=\"margin-top: 16px;\"\u003e24V Variant\u003c\/h3\u003e\n\u003cp\u003eThe product is also mentioned as a \u003cstrong\u003e24 Volt Fuse Relay Box\u003c\/strong\u003e (for auto\/marine\/boat). Use the 24V variant only in 24V systems.\u003c\/p\u003e\n\u003c\/section\u003e\n\u003chr\u003e\n\u003csection id=\"forpackning\"\u003e\n\u003ch2\u003ePackage Contents\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e1 × Pre-wired Fuse \u0026amp; Relay Box (6 relays + 6 fuse slots)\u003c\/li\u003e\n\u003cli\u003eATC\/ATO fuses (according to variant\/delivery)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eNote:\u003c\/strong\u003e Exact contents may vary between the 12V and 24V variants.\u003c\/p\u003e\n\u003c\/section\u003e\n\u003chr\u003e\n\u003csection id=\"faq\"\u003e\n\u003ch2\u003eFAQ – Frequently Asked Questions\u003c\/h2\u003e\n\u003ch3\u003e1) Is this a fuse box or a relay box?\u003c\/h3\u003e\n\u003cp\u003eIt is a combined fuse and relay box with 6 relays and 6 fuse slots.\u003c\/p\u003e\n\u003ch3\u003e2) Does it work in a boat\/marine application?\u003c\/h3\u003e\n\u003cp\u003eYes, it is intended for auto\/marine\/boat according to the product text. Ensure it is mounted in a protected location and use marine-grade connectors if necessary.\u003c\/p\u003e\n\u003ch3\u003e3) Can I use the 12V box in a 24V system?\u003c\/h3\u003e\n\u003cp\u003eNo. Use the 24V variant in 24V systems.\u003c\/p\u003e\n\u003ch3\u003e4) Which fuses are used?\u003c\/h3\u003e\n\u003cp\u003eATC\/ATO (standard blade fuse).\u003c\/p\u003e\n\u003ch3\u003e5) Which fuse size should I choose?\u003c\/h3\u003e\n\u003cp\u003eChoose based on the load's current and cable dimension. The fuse should protect the cable and the load – not \"just\" avoid blowing.\u003c\/p\u003e\n\u003ch3\u003e6) Can I control the relays from a switch in the cabin?\u003c\/h3\u003e\n\u003cp\u003eYes, relays are specifically used to control higher currents with a small control signal.\u003c\/p\u003e\n\u003ch3\u003e7) Why is pre-wired good?\u003c\/h3\u003e\n\u003cp\u003eIt saves time, results in a cleaner installation, and makes troubleshooting easier.\u003c\/p\u003e\n\u003ch3\u003e8) What does RB-R6F6-W2 mean?\u003c\/h3\u003e\n\u003cp\u003eIt is the model designation specified for the 12V variant.\u003c\/p\u003e\n\u003ch3\u003e9) Can I have different fuses in each slot?\u003c\/h3\u003e\n\u003cp\u003eYes, that's the point – each circuit is fused according to its load (5A–30A according to specified sizes).\u003c\/p\u003e\n\u003ch3\u003e10) What do I do if a fuse blows?\u003c\/h3\u003e\n\u003cp\u003eReplace the fuse, but find the cause (short circuit\/overload) before continuing. Do not increase the fuse size without re-dimensioning the cable.\u003c\/p\u003e\n\u003c\/section\u003e\n\u003chr\u003e\n\u003csection id=\"ansvar\"\u003e\n\u003ch2\u003eNotes \u0026amp; Safety\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eAlways work with the power disconnected during installation.\u003c\/li\u003e\n\u003cli\u003eUse the correct cable dimension and fuse for each circuit.\u003c\/li\u003e\n\u003cli\u003eInstall a main fuse near the battery for the main power feed.\u003c\/li\u003e\n\u003cli\u003e12V and 24V are different systems – use the correct variant.\u003c\/li\u003e\n\u003cli\u003eFor marine installations: protect against moisture, vibration, and corrosion.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/section\u003e\n\u003chr\u003e\n\u003csection id=\"sammanfattning\"\u003e\n\u003ch2\u003eSummary\u003c\/h2\u003e\n\u003cp\u003eA \u003cstrong\u003epre-wired fuse \u0026amp; relay box\u003c\/strong\u003e with \u003cstrong\u003e6 relays + 6 fuse slots\u003c\/strong\u003e is a simple way to build a safe, clear, and service-friendly electrical center for accessories in cars and marine applications. Choose the correct variant (12V or 24V), size fuses per load, and achieve an installation that is easy to expand and troubleshoot.\u003c\/p\u003e\n\u003c\/section\u003e\n\u003c\/div\u003e","brand":"Felkodsläsare","offers":[{"title":"Default Title","offer_id":54177165345036,"sku":"FEL-D0133","price":38.95,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0746\/4979\/6876\/files\/H830c3da5e7e34e038a20bea33707b0dbo_defd7fbc-af90-4365-9d10-201bcb5308d8.png?v=1766928779","url":"https:\/\/www.felkodslasare.se\/en-en\/products\/24-volt-forsakringsrelabox","provider":"Felkodsläsare","version":"1.0","type":"link"}