{"product_id":"bussmann-fnq-r-25-fuse","title":"Bussmann FNQ-R-25 Class CC Time-Delay Fuse","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 34px,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\n\u003cdiv class=\"nxs-industrial-product-page\"\u003e\n\u003cdiv class=\"container\"\u003e\u003cmain\u003e\n\u003csection class=\"section\"\u003e\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\u003ctable class=\"spec-table\"\u003e\n\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-R-25\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Category\u003c\/td\u003e\n\u003ctd\u003eClass CC Time-Delay Fuse\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Series\u003c\/td\u003e\n\u003ctd\u003eLIMITRON FNQ-R\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCurrent Rating\u003c\/td\u003e\n\u003ctd\u003e25 A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAC Voltage Rating\u003c\/td\u003e\n\u003ctd\u003e600 VAC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDC Voltage Rating\u003c\/td\u003e\n\u003ctd\u003eNot Specified for FNQ-R-25 in Eaton Technical Data 1014\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\u003eOperating Characteristic\u003c\/td\u003e\n\u003ctd\u003eTime-Delay (Slow-Blow)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFuse Type\u003c\/td\u003e\n\u003ctd\u003eCurrent-Limiting High-Inrush Time-Delay Fuse\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\u003eAC Interrupting Rating\u003c\/td\u003e\n\u003ctd\u003e200 kA RMS Symmetrical at 600 VAC (200,000 A)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eResponse Time\u003c\/td\u003e\n\u003ctd\u003e12 Seconds at 200% of Rated Current (Eaton Product Specification)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFuse Format\u003c\/td\u003e\n\u003ctd\u003eClass CC Cartridge Fuse\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 (0.41 x 1.50 in)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Length\u003c\/td\u003e\n\u003ctd\u003e38.1 mm (1.50 in)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Diameter\u003c\/td\u003e\n\u003ctd\u003e10.3 mm (0.41 in)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/section\u003e\n\u003csection class=\"section\"\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cdiv class=\"features\"\u003e\n\u003carticle class=\"card\"\u003e\n\u003ch3\u003e25 A Current Rating\u003c\/h3\u003e\n\u003cp\u003eRated at 25 amperes, the Bussmann FNQ-R-25 provides Class CC overcurrent protection for appropriately designed industrial control circuits, branch circuits and compatible electrical equipment requiring a 25 A time-delay fuse.\u003c\/p\u003e\n\u003c\/article\u003e\n\u003carticle class=\"card\"\u003e\n\u003ch3\u003e600 VAC Voltage Rating\u003c\/h3\u003e\n\u003cp\u003eDesigned for compatible AC electrical circuits operating at or below 600 VAC. Its published electrical rating supports industrial line protection, control panels and AC branch-circuit applications where Class CC fuses are specified.\u003c\/p\u003e\n\u003c\/article\u003e\n\u003carticle class=\"card\"\u003e\n\u003ch3\u003eHigh-Inrush Time-Delay Performance\u003c\/h3\u003e\n\u003cp\u003eThe time-delay characteristic helps accommodate temporary magnetizing inrush currents associated with compatible control transformers. Eaton lists a response time of 12 seconds at 200% of rated current. Final fuse selection should consider the manufacturer's complete time-current characteristics and the circuit's operating conditions.\u003c\/p\u003e\n\u003c\/article\u003e\n\u003carticle class=\"card\"\u003e\n\u003ch3\u003e200 kA AC Interrupting Capacity\u003c\/h3\u003e\n\u003cp\u003eProvides a manufacturer-specified interrupting rating of 200,000 amperes RMS symmetrical at 600 VAC. This high AC interrupting capacity supports appropriately engineered electrical circuits where the prospective short-circuit current is within the applicable protective device rating.\u003c\/p\u003e\n\u003c\/article\u003e\n\u003carticle class=\"card\"\u003e\n\u003ch3\u003eCurrent-Limiting Class CC Design\u003c\/h3\u003e\n\u003cp\u003eCombines current-limiting performance with Class CC branch-circuit protection. Its rejection-style configuration supports appropriate fuse holders and helps prevent the insertion of unsuitable supplementary fuse types into rejection-style holders.\u003c\/p\u003e\n\u003c\/article\u003e\n\u003carticle class=\"card\"\u003e\n\u003ch3\u003eCompact Industrial Cartridge\u003c\/h3\u003e\n\u003cp\u003eFeatures a melamine tube body, dual-element construction, nickel-plated brass end caps and ferrule connections. Its non-indicating 10.3 x 38.1 mm cartridge design is compatible with appropriately selected Class CC fuse blocks and holders.\u003c\/p\u003e\n\u003c\/article\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003csection class=\"section\"\u003e\n\u003ch2\u003eApplications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eIndustrial control transformer protection\u003c\/li\u003e\n\u003cli\u003eIndustrial control panels requiring Class CC fuses\u003c\/li\u003e\n\u003cli\u003eCompatible 600 VAC branch-circuit protection\u003c\/li\u003e\n\u003cli\u003eIndustrial electrical line protection\u003c\/li\u003e\n\u003cli\u003eControl circuits with temporary transformer inrush currents\u003c\/li\u003e\n\u003cli\u003eIndustrial machinery control equipment\u003c\/li\u003e\n\u003cli\u003eCompatible Class CC DIN-rail fuse holders and fuse blocks\u003c\/li\u003e\n\u003cli\u003eExact-model industrial equipment fuse replacement\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/section\u003e\n\u003csection class=\"section\"\u003e\n\u003ch2\u003ePurchase Information\u003c\/h2\u003e\n\u003cp\u003eWe support online purchase of the Bussmann FNQ-R-25 Class CC 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\n\u003c\/section\u003e\n\u003csection class=\"section\"\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the Bussmann FNQ-R-25?\u003c\/strong\u003e\u003cbr\u003eIt is a 25 A, 600 VAC Class CC current-limiting time-delay cartridge fuse from the Eaton Bussmann LIMITRON FNQ-R series, designed for compatible industrial control, line protection and branch-circuit applications.\u003c\/p\u003e\n\u003cbr\u003e\n\u003cp\u003e\u003cstrong\u003eWho manufactures FNQ-R-25?\u003c\/strong\u003e\u003cbr\u003eFNQ-R-25 belongs to the Eaton Bussmann fuse range. Its manufacturer catalog number is FNQ-R-25.\u003c\/p\u003e\n\u003cbr\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the current rating?\u003c\/strong\u003e\u003cbr\u003eThe rated current is 25 amperes, equivalent to 25,000 milliamperes.\u003c\/p\u003e\n\u003cbr\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the AC voltage rating?\u003c\/strong\u003e\u003cbr\u003eThe published AC voltage rating is 600 VAC. The operating circuit voltage must remain within the fuse's applicable electrical rating.\u003c\/p\u003e\n\u003cbr\u003e\n\u003cp\u003e\u003cstrong\u003eIs FNQ-R-25 rated for DC applications?\u003c\/strong\u003e\u003cbr\u003eEaton FNQ-R Technical Data 1014 specifies a 300 VDC rating for the 15 A and 20 A models only. It does not establish a DC rating for FNQ-R-25. Do not assume that the AC interrupting rating applies to DC circuits. Verify any proposed DC application against current manufacturer documentation.\u003c\/p\u003e\n\u003cbr\u003e\n\u003cp\u003e\u003cstrong\u003eIs FNQ-R-25 a time-delay fuse?\u003c\/strong\u003e\u003cbr\u003eYes. Eaton identifies FNQ-R-25 as a high-inrush time-delay fuse. Its product specification lists a response time of 12 seconds at 200% of rated current. Actual opening time depends on applied overcurrent and operating conditions.\u003c\/p\u003e\n\u003cbr\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the interrupting rating?\u003c\/strong\u003e\u003cbr\u003eEaton specifies a 200 kA RMS symmetrical AC interrupting rating at 600 VAC, equivalent to 200,000 amperes.\u003c\/p\u003e\n\u003cbr\u003e\n\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 0.41 inch by 1.50 inches.\u003c\/p\u003e\n\u003cbr\u003e\n\u003cp\u003e\u003cstrong\u003eDoes FNQ-R-25 have a blown-fuse indicator?\u003c\/strong\u003e\u003cbr\u003eNo. Eaton identifies FNQ-R-25 as a non-indicating cartridge fuse without a built-in visual blown-fuse indicator.\u003c\/p\u003e\n\u003cbr\u003e\n\u003cp\u003e\u003cstrong\u003eWhat materials and terminal configuration does FNQ-R-25 use?\u003c\/strong\u003e\u003cbr\u003eEaton specifies a melamine tube body and ferrule-to-ferrule connections. FNQ-R series documentation also describes nickel-plated brass end caps and dual-element current-limiting construction.\u003c\/p\u003e\n\u003cbr\u003e\n\u003cp\u003e\u003cstrong\u003eCan FNQ-R-25 replace FNQ-25?\u003c\/strong\u003e\u003cbr\u003eDo not assume direct interchangeability. FNQ-R-25 is a 600 VAC Class CC branch-circuit fuse with a 200 kA AC interrupting rating, while FNQ-25 is a 500 VAC supplemental fuse with a 10 kA AC interrupting rating. Their protection classifications, rejection features and application requirements differ.\u003c\/p\u003e\n\u003cbr\u003e\n\u003cp\u003e\u003cstrong\u003eIs FNQ-R-25 RoHS compliant?\u003c\/strong\u003e\u003cbr\u003eEaton's FNQ-R-25 product specification identifies the model as RoHS compliant and CE marked. Confirm any additional application-specific compliance documentation before installation.\u003c\/p\u003e\n\u003cbr\u003e\n\u003cp\u003e\u003cstrong\u003eWhat should be verified before ordering?\u003c\/strong\u003e\u003cbr\u003eConfirm the exact FNQ-R-25 catalog number, 25 A current rating, 600 VAC voltage rating, 200 kA AC interrupting capacity, time-delay characteristics, Class CC fuse-holder compatibility and circuit protection requirements. Consult Eaton Bussmann FNQ-R Technical Data 1014 for additional application guidance.\u003c\/p\u003e\n\u003c\/section\u003e\n\u003c\/main\u003e\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Eaton Bussmann","offers":[{"title":"1PCS","offer_id":67882817781839,"sku":"LL1-BSM-FNQ-R-25*1","price":6.13,"currency_code":"USD","in_stock":true},{"title":"5PCS","offer_id":67882817814607,"sku":"LL1-BSM-FNQ-R-25*5","price":24.52,"currency_code":"USD","in_stock":true},{"title":"10PCS","offer_id":67882817847375,"sku":"LL1-BSM-FNQ-R-25*10","price":42.91,"currency_code":"USD","in_stock":true},{"title":"20PCS","offer_id":67882817880143,"sku":"LL1-BSM-FNQ-R-25*20","price":73.56,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0710\/7569\/2623\/files\/FNQ-R-25-01.jpg?v=1793067370","url":"https:\/\/yunshuotrade.com\/products\/bussmann-fnq-r-25-fuse","provider":"yunshuotrade","version":"1.0","type":"link"}