{"product_id":"bussmann-fnq-1-4-fuse","title":"Bussmann FNQ-1\/4 Time-Delay Midget Fuse 250mA 500VAC","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 1px);background-size:auto,34px 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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 (Eaton)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel Number\u003c\/td\u003e\n\u003ctd\u003eFNQ-1\/4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eManufacturer Catalog Number\u003c\/td\u003e\n\u003ctd\u003eFNQ-1\/4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Category\u003c\/td\u003e\n\u003ctd\u003eTime-Delay Midget Fuse\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFuse Series\u003c\/td\u003e\n\u003ctd\u003eFNQ\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCurrent Rating\u003c\/td\u003e\n\u003ctd\u003e0.25 A (250 mA)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAC Voltage Rating\u003c\/td\u003e\n\u003ctd\u003e500 VAC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Characteristic\u003c\/td\u003e\n\u003ctd\u003eTime-Delay (Slow-Blow)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFuse Format\u003c\/td\u003e\n\u003ctd\u003eMidget Cartridge Fuse (5AG)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNominal Dimensions\u003c\/td\u003e\n\u003ctd\u003e10.3 x 38.1 mm (13\/32 x 1-1\/2 in)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMounting Type\u003c\/td\u003e\n\u003ctd\u003eRequires Compatible Fuse Holder\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTermination Style\u003c\/td\u003e\n\u003ctd\u003eFerrule End Caps\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFuse Indication\u003c\/td\u003e\n\u003ctd\u003eNon-Indicating\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInterrupting Rating at 500 VAC\u003c\/td\u003e\n\u003ctd\u003e10 kAIC (10,000 A)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFuse Body Construction\u003c\/td\u003e\n\u003ctd\u003eFiber Tube\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEnd Cap Construction\u003c\/td\u003e\n\u003ctd\u003eNickel-Plated Brass\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSeries Color Code\u003c\/td\u003e\n\u003ctd\u003eOrange (500 VAC Maximum)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eUPC\u003c\/td\u003e\n\u003ctd\u003e051712786010\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eUL Approval\u003c\/td\u003e\n\u003ctd\u003eUL Listed, UL 248-14, File E19180\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCSA Approval\u003c\/td\u003e\n\u003ctd\u003eCSA Certified, C22.2 No. 248.14, File 53787\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCompliance\u003c\/td\u003e\n\u003ctd\u003eCE; RoHS Compliant\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProtection Type\u003c\/td\u003e\n\u003ctd\u003eSupplemental Overcurrent Protection\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eManufacturer Reference\u003c\/td\u003e\n\u003ctd\u003eEaton Bussmann FNQ Technical Data 1012\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\u003e250 mA Current Rating\u003c\/h3\u003e\n\u003cp\u003eRated at 0.25 A (250 mA), the FNQ-1\/4 provides supplemental overcurrent protection for appropriately specified low-current industrial electrical circuits.\u003c\/p\u003e\u003c\/article\u003e\u003carticle class=\"card\"\u003e\u003ch3\u003e500 VAC Voltage Rating\u003c\/h3\u003e\n\u003cp\u003eDesigned for compatible AC control and equipment circuits operating at or below the published 500 VAC maximum voltage rating. The FNQ series is color coded orange for its voltage class.\u003c\/p\u003e\u003c\/article\u003e\u003carticle class=\"card\"\u003e\u003ch3\u003eTime-Delay Operation\u003c\/h3\u003e\n\u003cp\u003eHelps accommodate temporary inrush currents associated with motor control transformers and other compatible inductive circuits, subject to the manufacturer's published time-current characteristics.\u003c\/p\u003e\u003c\/article\u003e\u003carticle class=\"card\"\u003e\u003ch3\u003e10 kA Interrupting Rating\u003c\/h3\u003e\n\u003cp\u003eProvides a published interrupting capacity of 10,000 A at 500 VAC. The available fault current at the installation must be within the applicable interrupting rating.\u003c\/p\u003e\u003c\/article\u003e\u003carticle class=\"card\"\u003e\u003ch3\u003eCompact Midget Fuse Design\u003c\/h3\u003e\n\u003cp\u003eFeatures nominal dimensions of 10.3 mm in diameter and 38.1 mm in length for use in appropriately rated and dimensionally compatible midget fuse holders.\u003c\/p\u003e\u003c\/article\u003e\u003carticle class=\"card\"\u003e\u003ch3\u003eFiber Tube Construction\u003c\/h3\u003e\n\u003cp\u003eUses fiber tube construction and nickel-plated brass ferrule end caps as described in Eaton Bussmann FNQ Technical Data 1012.\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\u003eMotor control transformer supplemental protection\u003c\/li\u003e\n\u003cli\u003eIndustrial AC control circuits with temporary inrush currents\u003c\/li\u003e\n\u003cli\u003eCompatible low-current transformer primary circuits\u003c\/li\u003e\n\u003cli\u003eIndustrial electrical control panels\u003c\/li\u003e\n\u003cli\u003eElectrical equipment requiring a 250 mA time-delay fuse\u003c\/li\u003e\n\u003cli\u003eIndustrial automation control circuit maintenance\u003c\/li\u003e\n\u003cli\u003eCompatible DIN-rail midget fuse holders and blocks\u003c\/li\u003e\n\u003cli\u003eEquipment servicing and specified fuse replacement\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-1\/4 Time-Delay Midget 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 the Bussmann FNQ-1\/4?\u003c\/strong\u003e\u003cbr\u003eIt is a 250 mA, 500 VAC time-delay midget cartridge fuse from the Eaton Bussmann FNQ series, intended for supplemental overcurrent protection.\u003c\/p\u003e\n\u003cbr\u003e\u003cp\u003e\u003cstrong\u003eWho manufactures FNQ-1\/4?\u003c\/strong\u003e\u003cbr\u003eFNQ-1\/4 is part of the Eaton Bussmann fuse range. Its manufacturer catalog number is FNQ-1\/4.\u003c\/p\u003e\n\u003cbr\u003e\u003cp\u003e\u003cstrong\u003eWhat is the rated current?\u003c\/strong\u003e\u003cbr\u003eThe rated current is 0.25 amperes, equivalent to 250 milliamperes or one-quarter of an ampere.\u003c\/p\u003e\n\u003cbr\u003e\u003cp\u003e\u003cstrong\u003eWhat is the AC voltage rating?\u003c\/strong\u003e\u003cbr\u003eThe maximum published AC voltage rating is 500 VAC. The orange FNQ series color code identifies this voltage class.\u003c\/p\u003e\n\u003cbr\u003e\u003cp\u003e\u003cstrong\u003eIs FNQ-1\/4 a fast-acting fuse?\u003c\/strong\u003e\u003cbr\u003eNo. FNQ-1\/4 is a time-delay fuse intended for circuits where temporary inrush currents may occur. Its suitability should be evaluated using the manufacturer's time-current characteristics.\u003c\/p\u003e\n\u003cbr\u003e\u003cp\u003e\u003cstrong\u003eWhat is the interrupting rating at 500 VAC?\u003c\/strong\u003e\u003cbr\u003eEaton Bussmann Technical Data 1012 specifies a 10 kA interrupting rating at 500 VAC for the FNQ series, including FNQ-1\/4.\u003c\/p\u003e\n\u003cbr\u003e\u003cp\u003e\u003cstrong\u003eWhat are the physical dimensions?\u003c\/strong\u003e\u003cbr\u003eThe nominal dimensions are 10.3 mm in diameter and 38.1 mm in length, approximately 13\/32 inch by 1-1\/2 inches.\u003c\/p\u003e\n\u003cbr\u003e\u003cp\u003e\u003cstrong\u003eDoes FNQ-1\/4 have a blown-fuse indicator?\u003c\/strong\u003e\u003cbr\u003eNo. The standard FNQ-1\/4 is a non-indicating cartridge fuse.\u003c\/p\u003e\n\u003cbr\u003e\u003cp\u003e\u003cstrong\u003eWhat materials are used in this fuse?\u003c\/strong\u003e\u003cbr\u003eEaton FNQ Technical Data 1012 specifies fiber tube construction and nickel-plated brass end caps.\u003c\/p\u003e\n\u003cbr\u003e\u003cp\u003e\u003cstrong\u003eCan FNQ-1\/4 replace an FNQ-R-1\/4 fuse?\u003c\/strong\u003e\u003cbr\u003eDo not assume these models are interchangeable. FNQ is a supplemental fuse series, whereas FNQ-R is a Class CC fuse series. Their protection classifications, interrupting ratings and installation requirements differ.\u003c\/p\u003e\n\u003cbr\u003e\u003cp\u003e\u003cstrong\u003eCan FNQ-1\/4 be used for branch-circuit protection?\u003c\/strong\u003e\u003cbr\u003eFNQ-1\/4 is intended for supplemental overcurrent protection. Applications requiring branch-circuit protection must use an appropriately classified protective device with a suitable interrupting rating.\u003c\/p\u003e\n\u003cbr\u003e\u003cp\u003e\u003cstrong\u003eWhat should be verified before ordering?\u003c\/strong\u003e\u003cbr\u003eConfirm the exact FNQ-1\/4 model number, 250 mA current rating, 500 VAC voltage rating, 10 kA interrupting capacity, time-delay characteristics, dimensions and fuse-holder compatibility. Consult Eaton Bussmann Technical Data 1012 for series specifications.\u003c\/p\u003e\u003c\/section\u003e\u003c\/main\u003e\u003c\/div\u003e\u003c\/div\u003e","brand":"Eaton Bussmann","offers":[{"title":"1PCS","offer_id":67868722135119,"sku":"LL1-BSM-FNQ-1\/4*1","price":6.98,"currency_code":"USD","in_stock":true},{"title":"5PCS","offer_id":67868722167887,"sku":"LL1-BSM-FNQ-1\/4*5","price":27.92,"currency_code":"USD","in_stock":true},{"title":"10PCS","offer_id":67868722200655,"sku":"LL1-BSM-FNQ-1\/4*10","price":48.86,"currency_code":"USD","in_stock":true},{"title":"20PCS","offer_id":67868722233423,"sku":"LL1-BSM-FNQ-1\/4*20","price":8.76,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0710\/7569\/2623\/files\/FNQ-1_4-01.jpg?v=1792986170","url":"https:\/\/yunshuotrade.com\/products\/bussmann-fnq-1-4-fuse","provider":"yunshuotrade","version":"1.0","type":"link"}