{"product_id":"littelfuse-kldr-15-fuse","title":"Littelfuse KLDR-15 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-15\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eManufacturer Catalog Number\u003c\/td\u003e\n\u003ctd\u003eKLDR015\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Marking\u003c\/td\u003e\n\u003ctd\u003eKLDR 15A\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\u003e15 A (15000 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\u003ctr\u003e\n\u003ctd\u003eFuse Type\u003c\/td\u003e\n\u003ctd\u003eCurrent-Limiting Cartridge Fuse\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\u003eDC Interrupting Rating\u003c\/td\u003e\n\u003ctd\u003e20 kA at 300 VDC (20,000 A, Manufacturer Self-Certified)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOpening Time at 100% Rated Current\u003c\/td\u003e\n\u003ctd\u003eTemperature Stabilization (UL Requirement)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOpening Time at 135% Rated Current\u003c\/td\u003e\n\u003ctd\u003e60 Minutes Maximum (UL Requirement)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOpening Time at 200% Rated Current\u003c\/td\u003e\n\u003ctd\u003e12 Seconds Minimum (UL Requirement)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePre-Arcing I²t\u003c\/td\u003e\n\u003ctd\u003e200.5 A²s (Manufacturer Electrical Specification)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTotal Clearing I²t\u003c\/td\u003e\n\u003ctd\u003e2,248 A²s (Manufacturer 200 kA Test Condition)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFuse Format\u003c\/td\u003e\n\u003ctd\u003eClass CC Rejection-Style Cartridge\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\u003eBody Material\u003c\/td\u003e\n\u003ctd\u003eMelamine\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\u003eTerminal Configuration\u003c\/td\u003e\n\u003ctd\u003eFerrule Ends\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSpecial Feature\u003c\/td\u003e\n\u003ctd\u003eRejection Capability\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFuse Weight\u003c\/td\u003e\n\u003ctd\u003e8.62 g (0.019 lb, Manufacturer Series Specification)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMounting Compatibility\u003c\/td\u003e\n\u003ctd\u003eCompatible Class CC Fuse Holders\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eManufacturer Ordering Number, 10-Pack\u003c\/td\u003e\n\u003ctd\u003eKLDR015.TXP\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eManufacturer Ordering Number, 100-Pack\u003c\/td\u003e\n\u003ctd\u003eKLDR015.HXP\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eUPC, Manufacturer 10-Pack\u003c\/td\u003e\n\u003ctd\u003e07945879273 (Manufacturer Datasheet Code)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eUPC, Manufacturer 100-Pack\u003c\/td\u003e\n\u003ctd\u003e07945879316 (Manufacturer Datasheet Code)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eUL Approval\u003c\/td\u003e\n\u003ctd\u003eUL Listed, UL 248-4 Class CC, File E81895 (AC)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCSA Approval\u003c\/td\u003e\n\u003ctd\u003eCSA Certified, File LR29862 (AC)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCE Compliance\u003c\/td\u003e\n\u003ctd\u003eCE Declaration Referenced in Manufacturer Datasheet\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRoHS Compliance\u003c\/td\u003e\n\u003ctd\u003eRoHS Compliant\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCountry of Origin\u003c\/td\u003e\n\u003ctd\u003eMexico (Manufacturer Datasheet)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRecommended Fuse Holder Series\u003c\/td\u003e\n\u003ctd\u003eL60030C, LPSC\/LFPSC Touch-Safe, LEC, 571\/572\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\u003e15 A Current Rating\u003c\/h3\u003e\n\u003cp\u003eThe Littelfuse KLDR-15 provides a 15 ampere current rating for appropriately specified industrial control circuits, control transformers and inductive electrical equipment. Its 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 the 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 characteristic helps accommodate temporary magnetizing inrush currents associated with control transformers, solenoids and similar inductive loads. 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. The 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\u003eThe current-limiting construction helps reduce thermal and magnetic effects during short-circuit events. Rejection-style construction helps prevent installation of fuses having 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-15 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-15?\u003c\/strong\u003e\u003cbr\u003eIt is a 15 A Class CC time-delay, current-limiting cartridge fuse from the Littelfuse POWR-GARD KLDR series, designed 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 KLDR015. The product marking is KLDR 15A, and KLDR-15 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 15 amperes, equivalent to 15000 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-15 a time-delay or fast-acting fuse?\u003c\/strong\u003e\u003cbr\u003eKLDR-15 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-15 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 200.5 A²s and a total clearing I²t of 2,248 A²s. The total clearing value is published for the manufacturer's 200 kA test condition. These values apply specifically to KLDR015 and must not be substituted with those for the 12 A or 17.5 A versions.\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-15 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 the applicable AC ratings. The series is RoHS compliant, and the manufacturer's 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-15?\u003c\/strong\u003e\u003cbr\u003eConfirm the KLDR-15 or KLDR015 designation, 15 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 KLDR015.TXP for a manufacturer 10-piece pack and KLDR015.HXP for a 100-piece pack; these ordering 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":67902501388367,"sku":"LL1-LI-KLDR-15*10","price":48.86,"currency_code":"USD","in_stock":true},{"title":"5PCS","offer_id":67902501421135,"sku":"LL1-LI-KLDR-15*5","price":27.92,"currency_code":"USD","in_stock":true},{"title":"1PCS","offer_id":67902501453903,"sku":"LL1-LI-KLDR-15*1","price":6.98,"currency_code":"USD","in_stock":true},{"title":"20PCS","offer_id":67902501486671,"sku":"LL1-LI-KLDR-15*20","price":83.76,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0710\/7569\/2623\/files\/KLDR-4-01.jpg?v=1793176325","url":"https:\/\/yunshuotrade.com\/products\/littelfuse-kldr-15-fuse","provider":"yunshuotrade","version":"1.0","type":"link"}