{"product_id":"littelfuse-klkr-1-10-fuse","title":"Littelfuse KLKR-1\/10 Class CC Fast-Acting 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 34px;position:relative;isolation:isolate;overflow:hidden;color:var(--text-main);line-height:1.75;-webkit-font-smoothing:antialiased}.nxs-industrial-product-page .container{width:92%;max-width:1120px;margin:0 auto;padding-bottom:34px}.nxs-industrial-product-page main{padding-top:8px}.nxs-industrial-product-page .section{position:relative;overflow:hidden;background:var(--surface);margin:22px auto;padding:36px 30px;border:1px solid var(--steel-line);border-radius:var(--radius-lg);box-shadow:var(--shadow-soft)}.nxs-industrial-product-page .section::before{content:'';position:absolute;left:0;top:0;width:5px;height:100%;background:linear-gradient(180deg,var(--industrial-blue-3),var(--industrial-blue))}.nxs-industrial-product-page .section h2{position:relative;display:inline-flex;align-items:center;gap:10px;font-size:25px;line-height:1.3;color:var(--industrial-navy);margin-bottom:24px;letter-spacing:-.2px}.nxs-industrial-product-page .section h2::before{content:'';width:28px;height:4px;flex:0 0 28px;border-radius:999px;background:linear-gradient(90deg,var(--industrial-blue-2),var(--industrial-cyan))}.nxs-industrial-product-page .section p{color:var(--text-main)}.nxs-industrial-product-page .spec-table{width:100%;border-collapse:separate;border-spacing:0;overflow:hidden;border:1px solid var(--steel-line);border-radius:var(--radius-md);background:#fff}.nxs-industrial-product-page .spec-table tr{transition:background-color .2s ease}.nxs-industrial-product-page .spec-table tr:nth-child(even){background:#f7fbfe}.nxs-industrial-product-page .spec-table tr:hover{background:#eaf5fb}.nxs-industrial-product-page .spec-table td{padding:13px 16px;border-bottom:1px solid #dbe7ef;vertical-align:top;color:#294658}.nxs-industrial-product-page .spec-table tr:last-child td{border-bottom:none}.nxs-industrial-product-page .spec-table td:first-child{position:relative;width:38%;font-weight:700;color:#0b456d;background:rgba(220,235,245,.42)}.nxs-industrial-product-page .spec-table td:first-child::after{content:'';position:absolute;top:22%;right:0;width:1px;height:56%;background:#c7dce9}.nxs-industrial-product-page .features{display:grid;grid-template-columns:repeat(auto-fit,minmax(235px,1fr));gap:18px}.nxs-industrial-product-page .card{position:relative;overflow:hidden;min-height:100%;background:linear-gradient(180deg,#fff 0%,#f4f9fc 100%);padding:22px 20px 21px;border:1px solid #d5e4ee;border-radius:var(--radius-md);box-shadow:0 6px 18px rgba(8,47,73,.055);transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease}.nxs-industrial-product-page .card::before{content:'';position:absolute;left:0;top:0;width:100%;height:4px;background:linear-gradient(90deg,var(--industrial-blue),var(--industrial-cyan))}.nxs-industrial-product-page .card::after{content:'';position:absolute;width:74px;height:74px;right:-28px;bottom:-30px;border:1px solid rgba(15,110,168,.12);border-radius:50%;transition:transform .22s ease}.nxs-industrial-product-page .card:hover{transform:translateY(-4px);border-color:#a9cadf;box-shadow:var(--shadow-hover)}.nxs-industrial-product-page .card:hover::after{transform:scale(1.25)}.nxs-industrial-product-page .card h3{position:relative;color:var(--industrial-blue);font-size:18px;line-height:1.35;margin-bottom:10px;padding-left:14px}.nxs-industrial-product-page .card h3::before{content:'';position:absolute;left:0;top:.25em;width:4px;height:1em;border-radius:4px;background:var(--industrial-blue-3)}.nxs-industrial-product-page .card p{color:#526a79;font-size:15px}.nxs-industrial-product-page .section ul{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:11px 18px;padding-left:0;list-style:none}.nxs-industrial-product-page .section li{position:relative;margin:0;padding:12px 14px 12px 38px;background:var(--surface-soft);border:1px solid #dbe8f0;border-radius:8px;color:#365264}.nxs-industrial-product-page .section li::before{content:'';position:absolute;left:15px;top:50%;width:9px;height:9px;transform:translateY(-50%) rotate(45deg);background:var(--industrial-blue-2);box-shadow:0 0 0 4px rgba(15,110,168,.1)}.nxs-industrial-product-page .section:nth-of-type(4) p{padding:18px 20px;background:linear-gradient(135deg,#edf7fc,#f9fcfe);border:1px solid #cfe4f1;border-left:4px solid var(--industrial-blue-2);border-radius:9px;color:#355267}.nxs-industrial-product-page .section:last-of-type{counter-reset:faq}.nxs-industrial-product-page .section:last-of-type\u003ep{position:relative;margin:0;padding:18px 18px 18px 54px;background:#f8fbfd;border:1px solid #d8e6ef;border-radius:9px;box-shadow:0 4px 12px rgba(8,47,73,.035);transition:border-color .2s ease,background-color .2s ease;counter-increment:faq}.nxs-industrial-product-page .section:last-of-type\u003ep:hover{background:#f1f8fc;border-color:#bfd8e7}.nxs-industrial-product-page .section:last-of-type\u003ep::before{content:counter(faq,decimal-leading-zero);position:absolute;left:15px;top:17px;min-width:28px;height:28px;display:inline-flex;align-items:center;justify-content:center;border-radius:6px;background:var(--industrial-blue);color:#fff;font-size:11px;font-weight:700;letter-spacing:.3px;box-shadow:0 5px 12px rgba(8,79,124,.18)}.nxs-industrial-product-page .section:last-of-type\u003ep strong{display:inline-block;color:#0b456d;margin-bottom:5px;line-height:1.4}.nxs-industrial-product-page .section:last-of-type\u003ebr{display:block;content:'';margin:10px 0}@media(max-width:760px){.nxs-industrial-product-page .container{width:100%;padding:0 12px 24px}.nxs-industrial-product-page .section{padding:26px 17px 24px;margin:14px auto;border-radius:11px}.nxs-industrial-product-page .section::before{width:4px}.nxs-industrial-product-page .section h2{font-size:21px;margin-bottom:18px}.nxs-industrial-product-page .section h2::before{width:20px;flex-basis:20px}.nxs-industrial-product-page .spec-table{display:table;table-layout:fixed}.nxs-industrial-product-page .spec-table td{padding:11px 9px;font-size:13px;line-height:1.55;overflow-wrap:anywhere}.nxs-industrial-product-page .spec-table td:first-child{width:42%}.nxs-industrial-product-page .features{grid-template-columns:1fr;gap:12px}.nxs-industrial-product-page .card{padding:18px 17px}.nxs-industrial-product-page .card:hover{transform:none}.nxs-industrial-product-page .section ul{grid-template-columns:1fr;gap:9px}.nxs-industrial-product-page .section li{padding:11px 12px 11px 36px;font-size:14px}.nxs-industrial-product-page .section:last-of-type\u003ep{padding:16px 14px 16px 48px;font-size:14px}.nxs-industrial-product-page .section:last-of-type\u003ep::before{left:12px;top:15px;min-width:26px;height:26px;font-size:10px}}@media(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\u003eLittelfuse\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel Number\u003c\/td\u003e\n\u003ctd\u003eKLKR-1\/10\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eManufacturer Catalog Number\u003c\/td\u003e\n\u003ctd\u003eKLKR.100\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Marking\u003c\/td\u003e\n\u003ctd\u003eKLKR 1\/10 A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Category\u003c\/td\u003e\n\u003ctd\u003eClass CC Fast-Acting Fuse\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Series\u003c\/td\u003e\n\u003ctd\u003ePOWR-GARD KLKR\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCurrent Rating\u003c\/td\u003e\n\u003ctd\u003e0.1 A (100 mA, 1\/10 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\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\u003eFast-Acting (Fast-Blow)\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\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\u003e100 mA Current Rating\u003c\/h3\u003e\n\u003cp\u003eThe Littelfuse KLKR-1\/10 provides a 0.1 ampere current rating, equivalent to 100 milliamperes, for appropriately specified low-current electrical circuits. Its precise fractional-amperage designation supports replacement and selection where a 1\/10 A Class CC fuse is specified.\u003c\/p\u003e\n\u003c\/article\u003e\n\u003carticle class=\"card\"\u003e\n\u003ch3\u003eFast-Acting Overload Response\u003c\/h3\u003e\n\u003cp\u003eThe KLKR series is designed for equipment requiring a fast response to overcurrent conditions. Unlike the KLDR time-delay series, KLKR fast-acting fuses are intended for applications where rapid overload protection is required. Selection should account for any normal circuit startup or inrush current.\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\u003eThe KLKR series supports compatible AC applications up to 600 VAC and DC applications up to 300 VDC. The applicable voltage rating, fuse current rating and prospective fault current should be checked against the electrical requirements of the circuit.\u003c\/p\u003e\n\u003c\/article\u003e\n\u003carticle class=\"card\"\u003e\n\u003ch3\u003eHigh Interrupting Capacity\u003c\/h3\u003e\n\u003cp\u003eFeatures an AC interrupting rating of 200 kA RMS symmetrical and a DC interrupting rating of 20 kA. Littelfuse identifies the DC rating as manufacturer self-certified. The fuse must be selected so that available fault current does not exceed the relevant interrupting rating.\u003c\/p\u003e\n\u003c\/article\u003e\n\u003carticle class=\"card\"\u003e\n\u003ch3\u003eCurrent-Limiting Protection\u003c\/h3\u003e\n\u003cp\u003eThe current-limiting design helps reduce heating and magnetic effects associated with short-circuit currents. Class CC rejection-style construction also helps prevent the use of fuses with insufficient voltage or interrupting ratings when installed in compatible rejection-type fuse holders.\u003c\/p\u003e\n\u003c\/article\u003e\n\u003carticle class=\"card\"\u003e\n\u003ch3\u003eCompact Industrial Construction\u003c\/h3\u003e\n\u003cp\u003eFeatures a melamine body, nickel-plated bronze end caps and a nominal 10.3 x 38.1 mm cartridge size. The compact format is suited to appropriately rated Class CC fuse holders, including Littelfuse L60030C and LPSC\/LFPSC Touch-Safe series.\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\u003eGeneral-purpose industrial branch circuit protection\u003c\/li\u003e\n\u003cli\u003eControl circuits requiring fast overload response\u003c\/li\u003e\n\u003cli\u003eOEM electrical equipment\u003c\/li\u003e\n\u003cli\u003eIndustrial electrical control panels\u003c\/li\u003e\n\u003cli\u003eLighting circuits requiring Class CC protection\u003c\/li\u003e\n\u003cli\u003eControl transformer circuits suitable for fast-acting fuses\u003c\/li\u003e\n\u003cli\u003eCompatible solid-state component protection applications\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 KLKR-1\/10 Class CC Fast-Acting 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 KLKR-1\/10?\u003c\/strong\u003e\u003cbr\u003eIt is a 0.1 A (100 mA) Class CC fast-acting, current-limiting cartridge fuse from the Littelfuse POWR-GARD KLKR series, designed for general-purpose branch circuit protection and applications requiring fast overload response.\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 KLKR.100, and the product marking is KLKR 1\/10 A. The manufacturer lists KLKR.100T as the ordering number for a 10-piece pack.\u003c\/p\u003e\n\u003cbr\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the current rating of KLKR-1\/10?\u003c\/strong\u003e\u003cbr\u003eThe current rating is 0.1 ampere, equivalent to 100 milliamperes or one-tenth of an ampere.\u003c\/p\u003e\n\u003cbr\u003e\n\u003cp\u003e\u003cstrong\u003eWhat are the AC and DC voltage ratings?\u003c\/strong\u003e\u003cbr\u003eLittelfuse specifies a maximum voltage rating of 600 VAC and 300 VDC for the KLKR series. The selected fuse must be suitable for the applicable operating voltage.\u003c\/p\u003e\n\u003cbr\u003e\n\u003cp\u003e\u003cstrong\u003eWhat are the interrupting ratings?\u003c\/strong\u003e\u003cbr\u003eThe AC interrupting rating is 200,000 amperes RMS symmetrical, and the DC interrupting rating is 20,000 amperes. Littelfuse identifies the DC rating as self-certified.\u003c\/p\u003e\n\u003cbr\u003e\n\u003cp\u003e\u003cstrong\u003eIs KLKR-1\/10 fast-acting or time-delay?\u003c\/strong\u003e\u003cbr\u003eKLKR-1\/10 is a fast-acting fuse. It belongs to the KLKR series, which is intended for fast overload response. The KLDR series has a different time-delay characteristic and should not be treated as an electrically identical replacement.\u003c\/p\u003e\n\u003cbr\u003e\n\u003cp\u003e\u003cstrong\u003eCan KLKR-1\/10 replace a KLDR-1\/10 fuse?\u003c\/strong\u003e\u003cbr\u003eNot automatically. Although both belong to the Class CC family and have the same nominal current and voltage ratings, KLKR is fast-acting while KLDR is time-delay. A replacement must match the circuit protection design, including overload response and inrush-current requirements.\u003c\/p\u003e\n\u003cbr\u003e\n\u003cp\u003e\u003cstrong\u003eIs KLKR-1\/10 suitable for solid-state electrical equipment?\u003c\/strong\u003e\u003cbr\u003eLittelfuse identifies solid-state components among the applications for the KLKR series. However, fuse suitability for a specific electronic device must be checked against its required protection characteristics, manufacturer recommendations and relevant time-current data.\u003c\/p\u003e\n\u003cbr\u003e\n\u003cp\u003e\u003cstrong\u003eWhat are the physical dimensions and construction materials?\u003c\/strong\u003e\u003cbr\u003eThe nominal cartridge dimensions are 10.3 mm in diameter and 38.1 mm in length. The KLKR series features a melamine body and nickel-plated bronze end caps. Littelfuse specifies a series weight of 13.61 g for the 0.1 A through 1 A ratings.\u003c\/p\u003e\n\u003cbr\u003e\n\u003cp\u003e\u003cstrong\u003eWhich fuse holders are recommended?\u003c\/strong\u003e\u003cbr\u003eLittelfuse lists the L60030C and LPSC\/LFPSC Touch-Safe series as recommended accessories. Confirm the selected holder has the required Class CC compatibility, voltage rating and electrical capacity.\u003c\/p\u003e\n\u003cbr\u003e\n\u003cp\u003e\u003cstrong\u003eIs KLKR-1\/10 UL listed and RoHS compliant?\u003c\/strong\u003e\u003cbr\u003eThe KLKR series is UL Listed under file E81895 and CSA Certified under file LR29862. The manufacturer also identifies RoHS compliance and references CE Declaration of Conformity KLKR_210128_1. The DC interrupting rating is separately manufacturer self-certified.\u003c\/p\u003e\n\u003cbr\u003e\n\u003cp\u003e\u003cstrong\u003eWhat should be verified before ordering KLKR-1\/10?\u003c\/strong\u003e\u003cbr\u003eConfirm the KLKR-1\/10 or KLKR.100 designation, 100 mA current rating, 600 VAC or 300 VDC operating requirement, fast-acting characteristics, interrupting capacity and Class CC fuse-holder compatibility. Littelfuse lists ordering number KLKR.100T for a manufacturer 10-piece pack; this does not establish 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":"20PCS","offer_id":67902694031439,"sku":"LL1-LI-KLKR-1\/10*20","price":83.76,"currency_code":"USD","in_stock":true},{"title":"10PCS","offer_id":67902694064207,"sku":"LL1-LI-KLKR-1\/10*10","price":48.86,"currency_code":"USD","in_stock":true},{"title":"1PCS","offer_id":67902694096975,"sku":"LL1-LI-KLKR-1\/10*1","price":6.98,"currency_code":"USD","in_stock":true},{"title":"5PCS","offer_id":67902694129743,"sku":"LL1-LI-KLKR-1\/10*5","price":27.92,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0710\/7569\/2623\/files\/KLKR-1_10-01.jpg?v=1793180192","url":"https:\/\/yunshuotrade.com\/products\/littelfuse-klkr-1-10-fuse","provider":"yunshuotrade","version":"1.0","type":"link"}