{"product_id":"littelfuse-kldr-8-fuse","title":"Littelfuse KLDR-8 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-line:#c9dce9;--surface:#fff;--surface-soft:#f7fbfe;--text-main:#173042;--shadow-soft:0 10px 30px rgba(8,47,73,.08);--shadow-hover:0 16px 36px rgba(8,79,124,.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,.025) 1px,transparent 1px),linear-gradient(90deg,rgba(15,110,168,.025) 1px,transparent 1px);background-size:auto,34px 34px,34px 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*::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\u003eLittelfuse\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel Number\u003c\/td\u003e\n\u003ctd\u003eKLDR-8\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eManufacturer Catalog Number\u003c\/td\u003e\n\u003ctd\u003eKLDR008\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Marking\u003c\/td\u003e\n\u003ctd\u003eKLDR 8A\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\u003ePOWR-GARD KLDR\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCurrent Rating\u003c\/td\u003e\n\u003ctd\u003e8 A (8000 mA)\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\u003e300 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFuse Class\u003c\/td\u003e\n\u003ctd\u003eUL Class 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\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\u003e8 A Current Rating\u003c\/h3\u003e\n\u003cp\u003eThe Littelfuse KLDR-8 provides an 8 ampere current rating for appropriately specified industrial control circuits, control transformers and inductive electrical equipment. Its 8000 mA rating supports applications requiring Class CC time-delay overcurrent protection.\u003c\/p\u003e\n\u003c\/article\u003e\n\u003carticle class=\"card\"\u003e\n\u003ch3\u003e600 VAC and 300 VDC Ratings\u003c\/h3\u003e\n\u003cp\u003eRated for compatible AC circuits up to 600 VAC and DC circuits up to 300 VDC. Separate AC and DC ratings support protective-device selection according to circuit operating voltage and prospective short-circuit current.\u003c\/p\u003e\n\u003c\/article\u003e\n\u003carticle class=\"card\"\u003e\n\u003ch3\u003eTime-Delay Characteristics\u003c\/h3\u003e\n\u003cp\u003eThe time-delay design helps accommodate temporary magnetizing inrush currents associated with control transformers, solenoids and similar inductive components. The applicable UL requirement specifies a minimum opening time of 12 seconds at 200% of rated current rather than a fixed clearing time.\u003c\/p\u003e\n\u003c\/article\u003e\n\u003carticle class=\"card\"\u003e\n\u003ch3\u003eHigh Interrupting Ratings\u003c\/h3\u003e\n\u003cp\u003eProvides a 200 kA RMS symmetrical AC interrupting rating at 600 VAC and a separate 20 kA DC interrupting rating at 300 VDC. Littelfuse identifies the DC interrupting rating as self-certified. Prospective fault current must remain within the applicable interrupting capacity.\u003c\/p\u003e\n\u003c\/article\u003e\n\u003carticle class=\"card\"\u003e\n\u003ch3\u003eCurrent-Limiting Class CC Protection\u003c\/h3\u003e\n\u003cp\u003eCurrent-limiting construction helps reduce heating and magnetic effects during short-circuit events. The rejection feature helps prevent installation of unsuitable fuses with insufficient voltage or interrupting ratings when used with compatible rejection-type fuse 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 body, nickel-plated bronze end caps and a nominal 10.3 x 38.1 mm cartridge format. Compatible mounting accessories include appropriately rated Littelfuse L60030C, LPSC\/LFPSC, LEC and 571\/572 fuse holder families.\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\u003eSolenoid circuit overcurrent protection\u003c\/li\u003e\n\u003cli\u003eInductive industrial control circuits\u003c\/li\u003e\n\u003cli\u003eIndustrial control panels requiring Class CC fuses\u003c\/li\u003e\n\u003cli\u003eCompatible motor branch circuits with IEC motor controllers\u003c\/li\u003e\n\u003cli\u003eMotor control circuits using suitable NEMA contactors\u003c\/li\u003e\n\u003cli\u003eCompatible 600 VAC and 300 VDC control circuits\u003c\/li\u003e\n\u003cli\u003eExact-rating replacement in compatible Class CC fuse holders\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 Littelfuse KLDR-8 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. Please verify the required model, current rating and purchase quantity before ordering.\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 Littelfuse KLDR-8?\u003c\/strong\u003e\u003cbr\u003eIt is an 8 A Class CC time-delay, current-limiting cartridge fuse from the Littelfuse POWR-GARD KLDR series, intended for compatible control transformers, solenoids and industrial control applications.\u003c\/p\u003e\n\u003cbr\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the manufacturer catalog number?\u003c\/strong\u003e\u003cbr\u003eThe manufacturer catalog number is KLDR008. The product marking is KLDR 8A, and KLDR-8 is the corresponding current-rating designation.\u003c\/p\u003e\n\u003cbr\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the current rating?\u003c\/strong\u003e\u003cbr\u003eThe fuse is rated for 8 amperes, equivalent to 8000 milliamperes.\u003c\/p\u003e\n\u003cbr\u003e\n\u003cp\u003e\u003cstrong\u003eWhat are the AC and DC voltage ratings?\u003c\/strong\u003e\u003cbr\u003eLittelfuse specifies 600 VAC and 300 VDC. The circuit operating voltage must remain within the applicable AC or DC rating.\u003c\/p\u003e\n\u003cbr\u003e\n\u003cp\u003e\u003cstrong\u003eWhat are the AC and DC interrupting ratings?\u003c\/strong\u003e\u003cbr\u003eThe AC interrupting rating is 200,000 amperes RMS symmetrical at 600 VAC. The DC interrupting rating is 20,000 amperes at 300 VDC and is identified by Littelfuse as self-certified.\u003c\/p\u003e\n\u003cbr\u003e\n\u003cp\u003e\u003cstrong\u003eIs KLDR-8 a time-delay or fast-acting fuse?\u003c\/strong\u003e\u003cbr\u003eKLDR-8 is a time-delay fuse. The KLDR series is designed to accommodate temporary magnetizing inrush currents associated with control transformers, solenoids and similar inductive equipment.\u003c\/p\u003e\n\u003cbr\u003e\n\u003cp\u003e\u003cstrong\u003eDoes KLDR-8 open in exactly 12 seconds at twice its rated current?\u003c\/strong\u003e\u003cbr\u003eNo. The applicable UL requirement specifies an opening time of at least 12 seconds at 200% of rated current. This is a minimum requirement rather than a fixed opening time. Consult the manufacturer's time-current curves for application-specific protection analysis.\u003c\/p\u003e\n\u003cbr\u003e\n\u003cp\u003e\u003cstrong\u003eWhat are the pre-arcing and total clearing I²t values?\u003c\/strong\u003e\u003cbr\u003eLittelfuse specifies a pre-arcing I²t of 111.2 A²s and a total clearing I²t of 1,145 A²s. The total clearing value is published for the manufacturer's 200 kA test condition. These values apply specifically to KLDR008 and should not be substituted with values for the 7 A or 9 A models.\u003c\/p\u003e\n\u003cbr\u003e\n\u003cp\u003e\u003cstrong\u003eWhat are the physical dimensions?\u003c\/strong\u003e\u003cbr\u003eThe nominal cartridge 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\u003eWhat materials and fuse holders are used?\u003c\/strong\u003e\u003cbr\u003eThe KLDR series uses a melamine body with nickel-plated bronze caps. Littelfuse identifies compatible holder families including L60030C, LPSC\/LFPSC, LEC and 571\/572. Confirm the electrical and mechanical compatibility of the selected holder before installation.\u003c\/p\u003e\n\u003cbr\u003e\n\u003cp\u003e\u003cstrong\u003eIs KLDR-8 UL listed and RoHS compliant?\u003c\/strong\u003e\u003cbr\u003eLittelfuse identifies the KLDR series as UL Listed under file E81895 and CSA Certified under file LR29862 for applicable AC ratings. The series is RoHS compliant, and the datasheet references a CE declaration. The DC interrupting rating is manufacturer self-certified.\u003c\/p\u003e\n\u003cbr\u003e\n\u003cp\u003e\u003cstrong\u003eWhat should be verified before ordering KLDR-8?\u003c\/strong\u003e\u003cbr\u003eConfirm the KLDR-8 or KLDR008 designation, 8 A current rating, applicable 600 VAC or 300 VDC circuit requirement, AC or DC interrupting capacity, time-delay characteristics, Class CC fuse-holder compatibility and purchase quantity. Littelfuse lists KLDR008.TXP for a manufacturer 10-piece pack and KLDR008.HXP for a 100-piece pack; these codes do not determine the quantity supplied by an individual store listing.\u003c\/p\u003e\n\u003c\/section\u003e\n\u003c\/main\u003e\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Littelfuse","offers":[{"title":"10PCS","offer_id":67902345642063,"sku":"LL1-LI-KLDR-8*10","price":48.86,"currency_code":"USD","in_stock":true},{"title":"5PCS","offer_id":67902345609295,"sku":"LL1-LI-KLDR-8*5","price":27.92,"currency_code":"USD","in_stock":true},{"title":"1PCS","offer_id":67902345576527,"sku":"LL1-LI-KLDR-8*1","price":6.98,"currency_code":"USD","in_stock":true},{"title":"20PCS","offer_id":67902345674831,"sku":"LL1-LI-KLDR-8*20","price":83.76,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0710\/7569\/2623\/files\/KLDR-5-01.jpg?v=1793176855","url":"https:\/\/yunshuotrade.com\/products\/littelfuse-kldr-8-fuse","provider":"yunshuotrade","version":"1.0","type":"link"}