{"product_id":"littelfuse-ccmr-4-1-2-fuse","title":"Littelfuse CCMR-4-1\/2 Time-Delay Fuse 4.5A 600VAC 250VDC Class CC","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\u003eLittelfuse\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel Number\u003c\/td\u003e\n\u003ctd\u003eCCMR-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\u003eSeries\u003c\/td\u003e\n\u003ctd\u003eCCMR\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\u003eFuse Type\u003c\/td\u003e\n\u003ctd\u003eDual-Element Time-Delay\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCurrent Rating\u003c\/td\u003e\n\u003ctd\u003e4-1\/2 A (4.5 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\u003e250 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAC Interrupting Rating\u003c\/td\u003e\n\u003ctd\u003e200 kA RMS Symmetrical\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDC Interrupting Rating\u003c\/td\u003e\n\u003ctd\u003e20 kA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBody Material\u003c\/td\u003e\n\u003ctd\u003eMelamine\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCap Material\u003c\/td\u003e\n\u003ctd\u003eNickel-Plated Bronze\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDiameter\u003c\/td\u003e\n\u003ctd\u003e10.3 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOverall Length\u003c\/td\u003e\n\u003ctd\u003e38.1 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eApprovals\u003c\/td\u003e\n\u003ctd\u003eUL Listed, CSA Certified\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCountry of Origin\u003c\/td\u003e\n\u003ctd\u003eMexico\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\u003e4.5 A Current Rating\u003c\/h3\u003e\n\u003cp\u003eThe CCMR-4-1\/2 is a 4-1\/2 A rating within the Littelfuse CCMR fuse series.\u003c\/p\u003e\u003c\/article\u003e\u003carticle class=\"card\"\u003e\u003ch3\u003e600 VAC Class CC Fuse\u003c\/h3\u003e\n\u003cp\u003eThe CCMR-4-1\/2 is a Class CC fuse rated for AC circuits up to 600 VAC.\u003c\/p\u003e\u003c\/article\u003e\u003carticle class=\"card\"\u003e\u003ch3\u003e250 VDC Rating\u003c\/h3\u003e\n\u003cp\u003eLittelfuse specifies 250 VDC for CCMR current ratings from 4-1\/2 A through 10 A.\u003c\/p\u003e\u003c\/article\u003e\u003carticle class=\"card\"\u003e\u003ch3\u003eDual-Element Time-Delay\u003c\/h3\u003e\n\u003cp\u003eThe CCMR series uses dual-element time-delay construction designed to withstand sustained starting currents of small motors.\u003c\/p\u003e\u003c\/article\u003e\u003carticle class=\"card\"\u003e\u003ch3\u003eHigh Interrupting Capacity\u003c\/h3\u003e\n\u003cp\u003eThe series is rated at 200 kA RMS symmetrical AC interrupting capacity and 20 kA DC interrupting capacity.\u003c\/p\u003e\u003c\/article\u003e\u003carticle class=\"card\"\u003e\u003ch3\u003eClass CC Cartridge Format\u003c\/h3\u003e\n\u003cp\u003eThe 4.5 A fuse uses a compact cylindrical format approximately 10.3 mm in diameter and 38.1 mm in overall length.\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 branch circuit protection\u003c\/li\u003e\n\u003cli\u003eSmall motor circuit protection\u003c\/li\u003e\n\u003cli\u003eIndustrial control circuits\u003c\/li\u003e\n\u003cli\u003eMotor control panels\u003c\/li\u003e\n\u003cli\u003eMachine control equipment\u003c\/li\u003e\n\u003cli\u003eIndustrial electrical panels\u003c\/li\u003e\n\u003cli\u003eAutomation equipment circuits\u003c\/li\u003e\n\u003cli\u003eBranch circuit overcurrent protection\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 Littelfuse CCMR-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 Littelfuse CCMR-4-1\/2?\u003c\/strong\u003e\u003cbr\u003eLittelfuse CCMR-4-1\/2 is a CCMR series dual-element time-delay Class CC fuse rated at 4.5 A.\u003c\/p\u003e\n\u003cbr\u003e\u003cp\u003e\u003cstrong\u003eWhat is the current rating of CCMR-4-1\/2?\u003c\/strong\u003e\u003cbr\u003eThe current rating is 4-1\/2 A, equivalent to 4.5 A.\u003c\/p\u003e\n\u003cbr\u003e\u003cp\u003e\u003cstrong\u003eWhat is the AC voltage rating?\u003c\/strong\u003e\u003cbr\u003eThe CCMR-4-1\/2 is rated for operation up to 600 VAC.\u003c\/p\u003e\n\u003cbr\u003e\u003cp\u003e\u003cstrong\u003eWhat is the DC voltage rating?\u003c\/strong\u003e\u003cbr\u003eLittelfuse specifies 250 VDC for CCMR ratings from 4-1\/2 A through 10 A.\u003c\/p\u003e\n\u003cbr\u003e\u003cp\u003e\u003cstrong\u003eIs CCMR-4-1\/2 a time-delay fuse?\u003c\/strong\u003e\u003cbr\u003eYes. The CCMR series uses dual-element time-delay construction designed for motor and motor branch circuit protection.\u003c\/p\u003e\n\u003cbr\u003e\u003cp\u003e\u003cstrong\u003eWhat fuse class is CCMR-4-1\/2?\u003c\/strong\u003e\u003cbr\u003eThe CCMR-4-1\/2 is within the UL Class CC portion of the CCMR series.\u003c\/p\u003e\n\u003cbr\u003e\u003cp\u003e\u003cstrong\u003eWhat is the AC interrupting rating?\u003c\/strong\u003e\u003cbr\u003eThe documented AC interrupting rating is 200 kA RMS symmetrical, with Littelfuse also specifying a 300 kA self-certified AC rating for the series.\u003c\/p\u003e\n\u003cbr\u003e\u003cp\u003e\u003cstrong\u003eWhat is the DC interrupting rating?\u003c\/strong\u003e\u003cbr\u003eThe documented DC interrupting rating is 20 kA.\u003c\/p\u003e\n\u003cbr\u003e\u003cp\u003e\u003cstrong\u003eWhat are the dimensions of CCMR-4-1\/2?\u003c\/strong\u003e\u003cbr\u003eThe Class CC cartridge format is approximately 10.3 mm in diameter and 38.1 mm in overall length.\u003c\/p\u003e\n\u003cbr\u003e\u003cp\u003e\u003cstrong\u003eWhat materials are used in this CCMR current range?\u003c\/strong\u003e\u003cbr\u003eLittelfuse specifies a melamine body with nickel-plated bronze caps for CCMR ratings from 2\/10 A through 30 A.\u003c\/p\u003e\n\u003cbr\u003e\u003cp\u003e\u003cstrong\u003eWhat applications is the CCMR series intended for?\u003c\/strong\u003e\u003cbr\u003eLittelfuse specifies the CCMR series for motor and motor branch circuit protection, particularly where sustained motor starting currents must be accommodated.\u003c\/p\u003e\n\u003cbr\u003e\u003cp\u003e\u003cstrong\u003eWhat should be checked before ordering CCMR-4-1\/2?\u003c\/strong\u003e\u003cbr\u003eCheck the complete CCMR-4-1\/2 model designation, 4.5 A current rating, 600 VAC or 250 VDC circuit requirements, Class CC format, interrupting rating, dimensions and fuseholder requirements before purchasing.\u003c\/p\u003e\u003c\/section\u003e\u003c\/main\u003e\u003c\/div\u003e\u003c\/div\u003e","brand":"Littelfuse","offers":[{"title":"1PC","offer_id":46812706897999,"sku":"CL5-‌Littlefuse-CCMR-4-1\/2","price":6.19,"currency_code":"USD","in_stock":true},{"title":"10PCS","offer_id":46812706930767,"sku":"CL5-‌Littlefuse-CCMR-4-1\/2*10","price":43.33,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0710\/7569\/2623\/files\/CCMR-15.jpg?v=1789631081","url":"https:\/\/yunshuotrade.com\/products\/littelfuse-ccmr-4-1-2-fuse","provider":"yunshuotrade","version":"1.0","type":"link"}