{"product_id":"bussmann-fnq-r-4-1-2-fuse","title":"Bussmann FNQ-R-4-1\/2 Time-Delay Fuse 4.5A 600VAC 200kA","description":"\u003cstyle\u003e.nxs-industrial-product-page{--industrial-navy:#082f49;--industrial-blue:#0b4f7c;--industrial-blue-2:#0f6ea8;--industrial-blue-3:#1784c1;--industrial-cyan:#38bdf8;--steel-blue:#dcebf5;--steel-blue-2:#edf6fb;--steel-line:#c9dce9;--surface:#ffffff;--surface-soft:#f7fbfe;--text-main:#173042;--text-muted:#5e7382;--shadow-soft:0 10px 30px rgba(8,47,73,0.08);--shadow-hover:0 16px 36px rgba(8,79,124,0.15);--radius-lg:14px;--radius-md:10px;}.nxs-industrial-product-page,.nxs-industrial-product-page *{margin:0;padding:0;box-sizing:border-box;font-family:Arial,Helvetica,sans-serif;}.nxs-industrial-product-page{background-color:#f3f8fb;background-image:linear-gradient(180deg,#eef6fb 0,#f7fafc 320px,#eef3f7 100%),linear-gradient(rgba(15,110,168,0.025) 1px,transparent 1px),linear-gradient(90deg,rgba(15,110,168,0.025) 1px,transparent 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(prefers-reduced-motion:reduce){.nxs-industrial-product-page,.nxs-industrial-product-page *,.nxs-industrial-product-page *::before,.nxs-industrial-product-page *::after{transition:none !important;}}\u003c\/style\u003e\u003cdiv class=\"nxs-industrial-product-page\"\u003e\u003cdiv class=\"container\"\u003e\u003cmain\u003e\u003csection class=\"section\"\u003e\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\u003ctable class=\"spec-table\"\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eBussmann\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel Number\u003c\/td\u003e\n\u003ctd\u003eFNQ-R-4-1\/2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Category\u003c\/td\u003e\n\u003ctd\u003eTime-Delay Fuse\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Series\u003c\/td\u003e\n\u003ctd\u003eFNQ-R\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFuse Class\u003c\/td\u003e\n\u003ctd\u003eClass CC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAmperage Rating\u003c\/td\u003e\n\u003ctd\u003e4.5 A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVoltage Rating\u003c\/td\u003e\n\u003ctd\u003e600 VAC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInterrupt Rating\u003c\/td\u003e\n\u003ctd\u003e200 kA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFuse Characteristic\u003c\/td\u003e\n\u003ctd\u003eTime-Delay\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFuse Type\u003c\/td\u003e\n\u003ctd\u003eCurrent-Limiting\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSpecial Feature\u003c\/td\u003e\n\u003ctd\u003eRejection Style\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFuse Indicator\u003c\/td\u003e\n\u003ctd\u003eNon-Indicating\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eConnection\u003c\/td\u003e\n\u003ctd\u003eFerrule End x Ferrule End\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003c\/section\u003e\u003csection class=\"section\"\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cdiv class=\"features\"\u003e\n\u003carticle class=\"card\"\u003e\u003ch3\u003e4.5A Current Rating\u003c\/h3\u003e\n\u003cp\u003eThe FNQ-R-4-1\/2 has a documented current rating of 4.5 A.\u003c\/p\u003e\u003c\/article\u003e\u003carticle class=\"card\"\u003e\u003ch3\u003e600VAC Rating\u003c\/h3\u003e\n\u003cp\u003eThe documented voltage rating for the FNQ-R-4-1\/2 is 600 VAC.\u003c\/p\u003e\u003c\/article\u003e\u003carticle class=\"card\"\u003e\u003ch3\u003eClass CC Fuse\u003c\/h3\u003e\n\u003cp\u003eThe FNQ-R-4-1\/2 is specified as a Class CC fuse with a rejection-style configuration.\u003c\/p\u003e\u003c\/article\u003e\u003carticle class=\"card\"\u003e\u003ch3\u003e200kA Interrupt Rating\u003c\/h3\u003e\n\u003cp\u003eThe documented AC interrupting rating is 200 kA.\u003c\/p\u003e\u003c\/article\u003e\u003carticle class=\"card\"\u003e\u003ch3\u003eTime-Delay Characteristic\u003c\/h3\u003e\n\u003cp\u003eThe FNQ-R series incorporates a time-delay characteristic for applicable circuits with temporary inrush current.\u003c\/p\u003e\u003c\/article\u003e\u003carticle class=\"card\"\u003e\u003ch3\u003eCurrent-Limiting Design\u003c\/h3\u003e\n\u003cp\u003eThe FNQ-R-4-1\/2 is specified as a current-limiting Class CC fuse.\u003c\/p\u003e\u003c\/article\u003e\n\u003c\/div\u003e\u003c\/section\u003e\u003csection class=\"section\"\u003e\u003ch2\u003eApplications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eControl transformer protection\u003c\/li\u003e\n\u003cli\u003eIndustrial control circuits\u003c\/li\u003e\n\u003cli\u003eIndustrial control panels\u003c\/li\u003e\n\u003cli\u003eBranch circuit protection\u003c\/li\u003e\n\u003cli\u003eCircuits with temporary inrush current\u003c\/li\u003e\n\u003cli\u003eMachine control circuits\u003c\/li\u003e\n\u003cli\u003eElectrical equipment circuit protection\u003c\/li\u003e\n\u003cli\u003eIndustrial electrical maintenance\u003c\/li\u003e\n\u003c\/ul\u003e\u003c\/section\u003e\u003csection class=\"section\"\u003e\u003ch2\u003ePurchase Information\u003c\/h2\u003e\n\u003cp\u003eWe support online purchase of the Bussmann FNQ-R-4-1\/2 Time-Delay Fuse. If you need to make bulk purchases and inquire about other products, please contact our team to inform us of your purchase requirements. We will provide you with information such as quantity quotations, delivery dates, and transportation methods.\u003c\/p\u003e\u003c\/section\u003e\u003csection class=\"section\"\u003e\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is Bussmann FNQ-R-4-1\/2?\u003c\/strong\u003e\u003cbr\u003eBussmann FNQ-R-4-1\/2 is a Class CC current-limiting time-delay fuse with a documented current rating of 4.5 A and voltage rating of 600 VAC.\u003c\/p\u003e\n\u003cbr\u003e\u003cp\u003e\u003cstrong\u003eWhat is the current rating of FNQ-R-4-1\/2?\u003c\/strong\u003e\u003cbr\u003eThe documented current rating is 4.5 A.\u003c\/p\u003e\n\u003cbr\u003e\u003cp\u003e\u003cstrong\u003eWhat voltage is FNQ-R-4-1\/2 rated for?\u003c\/strong\u003e\u003cbr\u003eThe documented voltage rating is 600 VAC.\u003c\/p\u003e\n\u003cbr\u003e\u003cp\u003e\u003cstrong\u003eWhat is the interrupt rating of FNQ-R-4-1\/2?\u003c\/strong\u003e\u003cbr\u003eThe documented AC interrupting rating is 200 kA.\u003c\/p\u003e\n\u003cbr\u003e\u003cp\u003e\u003cstrong\u003eWhat fuse class is FNQ-R-4-1\/2?\u003c\/strong\u003e\u003cbr\u003eThe FNQ-R-4-1\/2 is specified as a Class CC fuse.\u003c\/p\u003e\n\u003cbr\u003e\u003cp\u003e\u003cstrong\u003eIs FNQ-R-4-1\/2 a time-delay fuse?\u003c\/strong\u003e\u003cbr\u003eYes. The FNQ-R series has a documented time-delay characteristic.\u003c\/p\u003e\n\u003cbr\u003e\u003cp\u003e\u003cstrong\u003eIs FNQ-R-4-1\/2 a current-limiting fuse?\u003c\/strong\u003e\u003cbr\u003eYes. The FNQ-R-4-1\/2 is specified as a current-limiting Class CC fuse.\u003c\/p\u003e\n\u003cbr\u003e\u003cp\u003e\u003cstrong\u003eWhat connection configuration does FNQ-R-4-1\/2 use?\u003c\/strong\u003e\u003cbr\u003eThe documented connection configuration is ferrule end x ferrule end.\u003c\/p\u003e\n\u003cbr\u003e\u003cp\u003e\u003cstrong\u003eDoes FNQ-R-4-1\/2 include a fuse indicator?\u003c\/strong\u003e\u003cbr\u003eNo. The FNQ-R-4-1\/2 is specified as a non-indicating fuse.\u003c\/p\u003e\n\u003cbr\u003e\u003cp\u003e\u003cstrong\u003eWhat applications can FNQ-R-4-1\/2 be considered for?\u003c\/strong\u003e\u003cbr\u003eIt can be considered for applicable control transformer, industrial control and branch circuit protection applications after circuit requirements have been checked.\u003c\/p\u003e\n\u003cbr\u003e\u003cp\u003e\u003cstrong\u003eCan FNQ-R-4-1\/2 be considered for an existing circuit?\u003c\/strong\u003e\u003cbr\u003eIt can be considered after the fuse class, 4.5 A current rating, 600 VAC voltage rating, interrupting rating, time-delay characteristic, physical configuration and circuit requirements have been checked.\u003c\/p\u003e\n\u003cbr\u003e\u003cp\u003e\u003cstrong\u003eWhat should be checked before ordering FNQ-R-4-1\/2?\u003c\/strong\u003e\u003cbr\u003eCheck the complete FNQ-R-4-1\/2 catalog number, required 4.5 A current rating, 600 VAC voltage rating, Class CC requirement, interrupting rating, fuse holder configuration and circuit protection requirements before ordering.\u003c\/p\u003e\u003c\/section\u003e\u003c\/main\u003e\u003c\/div\u003e\u003c\/div\u003e","brand":"yunshuotrade","offers":[{"title":"1PC","offer_id":45217313685583,"sku":"CL5-BussmannFNQ-R-4-1\/2","price":6.13,"currency_code":"USD","in_stock":true},{"title":"10PCS","offer_id":45217313718351,"sku":"CL5-BussmannFNQ-R-4-1\/2*10","price":52.1,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0710\/7569\/2623\/files\/FNQ-R-4-1_2_1.jpg?v=1789115774","url":"https:\/\/yunshuotrade.com\/products\/bussmann-fnq-r-4-1-2-fuse","provider":"yunshuotrade","version":"1.0","type":"link"}