{"product_id":"bussmann-fnm-1-2-fuse","title":"Bussmann FNM-1\/2 Time-Delay Midget Fuse 500mA 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-1\/2\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\u003e0.5 A (500 mA, 1\/2 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 (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\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\u003e35 A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInterrupting Rating at 125 VAC\u003c\/td\u003e\n\u003ctd\u003e10 kA\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\u003eCompliance\u003c\/td\u003e\n\u003ctd\u003eUL Listed (UL 248-14, File E19180); CSA Certified (File 53787); CE 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\u003e500 mA Current Rating\u003c\/h3\u003e\n\u003cp\u003eProvides supplemental overcurrent protection for electrical circuits requiring a 0.5 A time-delay fuse rating.\u003c\/p\u003e\u003c\/article\u003e\u003carticle class=\"card\"\u003e\u003ch3\u003e250 VAC Voltage Rating\u003c\/h3\u003e\n\u003cp\u003eDesigned for compatible AC control and equipment circuits operating within the specified 250 VAC rating.\u003c\/p\u003e\u003c\/article\u003e\u003carticle class=\"card\"\u003e\u003ch3\u003eDual-Element Time-Delay Design\u003c\/h3\u003e\n\u003cp\u003eHelps accommodate certain temporary inrush currents associated with inductive loads, motors and transformers according to the published fuse time-current characteristics.\u003c\/p\u003e\u003c\/article\u003e\u003carticle class=\"card\"\u003e\u003ch3\u003eCompact Midget Fuse Format\u003c\/h3\u003e\n\u003cp\u003eUses a nominal 10.3 x 38.1 mm cylindrical cartridge design for installation in dimensionally compatible and appropriately rated fuse holders.\u003c\/p\u003e\u003c\/article\u003e\u003carticle class=\"card\"\u003e\u003ch3\u003eVoltage-Specific Interrupting Ratings\u003c\/h3\u003e\n\u003cp\u003eProvides an interrupting rating of 35 A at 250 VAC and 10 kA at 125 VAC. Fuse selection must account for available fault current at the actual operating voltage.\u003c\/p\u003e\u003c\/article\u003e\u003carticle class=\"card\"\u003e\u003ch3\u003eFerrule End Connections\u003c\/h3\u003e\n\u003cp\u003eNickel-plated bronze ferrule end caps provide electrical contact surfaces for compatible fuse holders and fuse blocks.\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\u003eLow-current inductive control circuits\u003c\/li\u003e\n\u003cli\u003eCircuits with temporary inrush currents\u003c\/li\u003e\n\u003cli\u003eSupplemental motor protection\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-1\/2 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-1\/2?\u003c\/strong\u003e\u003cbr\u003eIt is a 500 mA time-delay midget fuse from the Eaton Bussmann FNM series, designed for supplemental overcurrent protection.\u003c\/p\u003e\n\u003cbr\u003e\u003cp\u003e\u003cstrong\u003eWho manufactures FNM-1\/2?\u003c\/strong\u003e\u003cbr\u003eFNM-1\/2 is part of the Eaton Bussmann series of electrical circuit protection products.\u003c\/p\u003e\n\u003cbr\u003e\u003cp\u003e\u003cstrong\u003eWhat is the current rating?\u003c\/strong\u003e\u003cbr\u003eThe rated current is 0.5 A, equivalent to 500 mA or one-half ampere.\u003c\/p\u003e\n\u003cbr\u003e\u003cp\u003e\u003cstrong\u003eWhat is its voltage rating?\u003c\/strong\u003e\u003cbr\u003eThe specified AC voltage rating is 250 VAC maximum.\u003c\/p\u003e\n\u003cbr\u003e\u003cp\u003e\u003cstrong\u003eIs FNM-1\/2 a fast-acting fuse?\u003c\/strong\u003e\u003cbr\u003eNo. It is a dual-element time-delay fuse intended to accommodate certain temporary inrush currents.\u003c\/p\u003e\n\u003cbr\u003e\u003cp\u003e\u003cstrong\u003eWhat is the interrupting rating at 250 VAC?\u003c\/strong\u003e\u003cbr\u003eThe published interrupting rating is 35 A at 250 VAC.\u003c\/p\u003e\n\u003cbr\u003e\u003cp\u003e\u003cstrong\u003eWhat is the interrupting rating at 125 VAC?\u003c\/strong\u003e\u003cbr\u003eThe published interrupting rating is 10,000 A at 125 VAC. This higher interrupting value must not be applied to circuits operating at 250 VAC.\u003c\/p\u003e\n\u003cbr\u003e\u003cp\u003e\u003cstrong\u003eWhat are the fuse dimensions?\u003c\/strong\u003e\u003cbr\u003eThe nominal dimensions are 10.3 mm in diameter and 38.1 mm in length, corresponding to the 5AG midget cartridge fuse format.\u003c\/p\u003e\n\u003cbr\u003e\u003cp\u003e\u003cstrong\u003eDoes FNM-1\/2 have a visual indicator?\u003c\/strong\u003e\u003cbr\u003eNo. The standard FNM-1\/2 is a non-indicating fuse.\u003c\/p\u003e\n\u003cbr\u003e\u003cp\u003e\u003cstrong\u003eWhat type of terminals does it use?\u003c\/strong\u003e\u003cbr\u003eIt uses nickel-plated bronze ferrule end caps for installation in compatible fuse holders.\u003c\/p\u003e\n\u003cbr\u003e\u003cp\u003e\u003cstrong\u003eCan FNM-1\/2 be used for branch-circuit protection?\u003c\/strong\u003e\u003cbr\u003eThe FNM series is intended for supplemental overcurrent protection. Branch-circuit applications require a protection device with the appropriate classification and interrupting capacity.\u003c\/p\u003e\n\u003cbr\u003e\u003cp\u003e\u003cstrong\u003eWhat should be verified before ordering?\u003c\/strong\u003e\u003cbr\u003eConfirm the FNM-1\/2 model number, 500 mA current rating, 250 VAC voltage rating, voltage-specific interrupting capacity, time-delay requirements, 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":67858448253007,"sku":"LL1-BSM-FNM1\/2*1","price":6.12,"currency_code":"USD","in_stock":true},{"title":"5PCS","offer_id":67858448285775,"sku":"LL1-BSM-FNM1\/2*5","price":24.48,"currency_code":"USD","in_stock":true},{"title":"10PCS","offer_id":67858448318543,"sku":"LL1-BSM-FNM1\/2*10","price":42.84,"currency_code":"USD","in_stock":true},{"title":"20PCS","offer_id":67858448351311,"sku":"LL1-BSM-FNM1\/2*20","price":73.44,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0710\/7569\/2623\/files\/FNM-1_4-01.jpg?v=1792831550","url":"https:\/\/yunshuotrade.com\/products\/bussmann-fnm-1-2-fuse","provider":"yunshuotrade","version":"1.0","type":"link"}