{"product_id":"bussmann-fnm-2-1-4-fuse","title":"Bussmann FNM-2-1\/4 Time-Delay Midget Fuse 2.25A 250VAC","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\u003eFNM-2-1\/4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eManufacturer Catalog Number\u003c\/td\u003e\n\u003ctd\u003eFNM-2-1\/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\u003eFNM\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCurrent Rating\u003c\/td\u003e\n\u003ctd\u003e2.25 A (2-1\/4 A)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAC Voltage Rating\u003c\/td\u003e\n\u003ctd\u003e250 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 Element\u003c\/td\u003e\n\u003ctd\u003eDual Element\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFuse Format\u003c\/td\u003e\n\u003ctd\u003eMidget Cartridge Fuse\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNominal Dimensions\u003c\/td\u003e\n\u003ctd\u003e13\/32 x 1-1\/2 in (approximately 10.3 x 38.1 mm)\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 250 VAC\u003c\/td\u003e\n\u003ctd\u003e100 AIC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInterrupting Rating at 125 VAC\u003c\/td\u003e\n\u003ctd\u003e10 kAIC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFuse Body Material\u003c\/td\u003e\n\u003ctd\u003eFiberglass\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEnd Cap Material\u003c\/td\u003e\n\u003ctd\u003eNickel-Plated Bronze\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eUPC\u003c\/td\u003e\n\u003ctd\u003e051712520218\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCompliance\u003c\/td\u003e\n\u003ctd\u003eCE Marked; 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\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\u003e2.25 A Current Rating\u003c\/h3\u003e\n\u003cp\u003eProvides supplemental overcurrent protection for appropriately specified electrical circuits requiring a 2.25 A time-delay fuse. The 2-1\/4 designation represents two and one-quarter amperes.\u003c\/p\u003e\u003c\/article\u003e\u003carticle class=\"card\"\u003e\u003ch3\u003e250 VAC Voltage Rating\u003c\/h3\u003e\n\u003cp\u003eDesigned for compatible AC electrical equipment and control circuits operating within the published 250 VAC maximum voltage rating.\u003c\/p\u003e\u003c\/article\u003e\u003carticle class=\"card\"\u003e\u003ch3\u003eDual-Element Time-Delay Operation\u003c\/h3\u003e\n\u003cp\u003eThe dual-element construction helps accommodate temporary inrush currents that may occur during energization of transformers and other inductive equipment, subject to the published time-current characteristics.\u003c\/p\u003e\u003c\/article\u003e\u003carticle class=\"card\"\u003e\u003ch3\u003eCompact Midget Cartridge Design\u003c\/h3\u003e\n\u003cp\u003eFeatures a cylindrical fuse body measuring approximately 10.3 mm in diameter and 38.1 mm in length for compatible, appropriately rated midget fuse holders.\u003c\/p\u003e\u003c\/article\u003e\u003carticle class=\"card\"\u003e\u003ch3\u003eVoltage-Dependent Interrupting Ratings\u003c\/h3\u003e\n\u003cp\u003eRated for 100 A interrupting capacity at 250 VAC and 10 kA at 125 VAC. The interrupting capacity must be matched to the available fault current and actual system voltage.\u003c\/p\u003e\u003c\/article\u003e\u003carticle class=\"card\"\u003e\u003ch3\u003eFerrule End Connections\u003c\/h3\u003e\n\u003cp\u003eNickel-plated bronze ferrule terminals provide contact surfaces for compatible industrial fuse blocks, clips and holders.\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\u003eIndustrial control power transformer circuits\u003c\/li\u003e\n\u003cli\u003eElectrical circuits with temporary inrush currents\u003c\/li\u003e\n\u003cli\u003eCompatible inductive control equipment\u003c\/li\u003e\n\u003cli\u003eSupplemental protection of appropriately rated motor control circuits\u003c\/li\u003e\n\u003cli\u003eIndustrial electrical control panels\u003c\/li\u003e\n\u003cli\u003ePower electronic equipment circuits\u003c\/li\u003e\n\u003cli\u003eElectrical equipment maintenance and replacement\u003c\/li\u003e\n\u003cli\u003eCompatible midget fuse holders and fuse blocks\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 FNM-2-1\/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 FNM-2-1\/4?\u003c\/strong\u003e\u003cbr\u003eIt is a 2.25 A time-delay midget cartridge fuse from the Eaton Bussmann FNM series, designed for supplemental overcurrent protection.\u003c\/p\u003e\n\u003cbr\u003e\u003cp\u003e\u003cstrong\u003eWho manufactures FNM-2-1\/4?\u003c\/strong\u003e\u003cbr\u003eFNM-2-1\/4 belongs to the Eaton Bussmann series. Its manufacturer catalog number is FNM-2-1\/4.\u003c\/p\u003e\n\u003cbr\u003e\u003cp\u003e\u003cstrong\u003eWhat is its rated current?\u003c\/strong\u003e\u003cbr\u003eThe rated current is 2.25 amperes, equivalent to 2250 mA or two and one-quarter amperes.\u003c\/p\u003e\n\u003cbr\u003e\u003cp\u003e\u003cstrong\u003eWhat is the AC voltage rating?\u003c\/strong\u003e\u003cbr\u003eThe manufacturer specifies a maximum AC voltage rating of 250 VAC.\u003c\/p\u003e\n\u003cbr\u003e\u003cp\u003e\u003cstrong\u003eIs FNM-2-1\/4 a fast-acting fuse?\u003c\/strong\u003e\u003cbr\u003eNo. It is a dual-element time-delay fuse designed to tolerate certain temporary inrush currents according to its published operating characteristics.\u003c\/p\u003e\n\u003cbr\u003e\u003cp\u003e\u003cstrong\u003eWhat is its interrupting rating at 250 VAC?\u003c\/strong\u003e\u003cbr\u003eThe specified interrupting rating is 100 A at 250 VAC.\u003c\/p\u003e\n\u003cbr\u003e\u003cp\u003e\u003cstrong\u003eWhat is its interrupting rating at 125 VAC?\u003c\/strong\u003e\u003cbr\u003eThe specified interrupting rating is 10,000 A at 125 VAC. This higher rating must not be used as the interrupting rating at 250 VAC.\u003c\/p\u003e\n\u003cbr\u003e\u003cp\u003e\u003cstrong\u003eWhat are the physical dimensions?\u003c\/strong\u003e\u003cbr\u003eThe nominal fuse dimensions are 13\/32 inch in diameter and 1-1\/2 inches in length, approximately 10.3 x 38.1 mm.\u003c\/p\u003e\n\u003cbr\u003e\u003cp\u003e\u003cstrong\u003eDoes FNM-2-1\/4 have a blown-fuse indicator?\u003c\/strong\u003e\u003cbr\u003eNo. The standard FNM-2-1\/4 is a non-indicating cartridge fuse.\u003c\/p\u003e\n\u003cbr\u003e\u003cp\u003e\u003cstrong\u003eWhat materials and connections does it use?\u003c\/strong\u003e\u003cbr\u003eIt features a fiberglass cylindrical body and nickel-plated bronze ferrule end caps for installation in compatible holders.\u003c\/p\u003e\n\u003cbr\u003e\u003cp\u003e\u003cstrong\u003eCan FNM-2-1\/4 be used for branch-circuit protection?\u003c\/strong\u003e\u003cbr\u003eThe FNM series is designed for supplemental overcurrent protection. Applications requiring branch-circuit protection must use an appropriately classified protection device.\u003c\/p\u003e\n\u003cbr\u003e\u003cp\u003e\u003cstrong\u003eWhat should be verified before ordering?\u003c\/strong\u003e\u003cbr\u003eConfirm the exact FNM-2-1\/4 model number, 2.25 A current rating, 250 VAC voltage rating, voltage-dependent interrupting capacity, time-delay characteristics, physical dimensions and fuse-holder compatibility.\u003c\/p\u003e\u003c\/section\u003e\u003c\/main\u003e\u003c\/div\u003e\u003c\/div\u003e","brand":"Eaton Bussmann","offers":[{"title":"1PCS","offer_id":67866635042895,"sku":"LL1-BSM-FNM-2-1\/4*1","price":6.12,"currency_code":"USD","in_stock":true},{"title":"5PCS","offer_id":67866635075663,"sku":"LL1-BSM-FNM-2-1\/4*5","price":24.48,"currency_code":"USD","in_stock":true},{"title":"10PCS","offer_id":67866635108431,"sku":"LL1-BSM-FNM-2-1\/4*10","price":42.84,"currency_code":"USD","in_stock":true},{"title":"20PCS","offer_id":67866635141199,"sku":"LL1-BSM-FNM-2-1\/4*20","price":73.44,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0710\/7569\/2623\/files\/FNM-1-1_2-01.jpg?v=1792976139","url":"https:\/\/yunshuotrade.com\/products\/bussmann-fnm-2-1-4-fuse","provider":"yunshuotrade","version":"1.0","type":"link"}