{"product_id":"littelfuse-klpc1200-class-l-fuse-1200a-600v-time-delay-powr-pro™-fuse","title":"Littelfuse KLPC1200 Class L Fuse – 1200A – 600V Time-Delay POWR-PRO™ Fuse","description":"\u003cdiv class=\"qMYqUG_convSearchResultHighlightRoot\"\u003e\n\u003cdiv class=\"\" data-turn-id-container=\"request-6a11c9d2-fa5c-83e8-934f-b46429aa1619-38\" data-is-intersecting=\"true\"\u003e\n\u003csection class=\"text-token-text-primary w-full focus:outline-none has-data-writing-block:pointer-events-none [\u0026amp;:has([data-writing-block])\u0026gt;*]:pointer-events-auto R6Vx5W_threadScrollVars scroll-mb-[calc(var(--scroll-root-safe-area-inset-bottom,0px)+var(--thread-response-height))] scroll-mt-[calc(var(--header-height)+min(200px,max(70px,20svh)))]\" dir=\"auto\" data-turn-id=\"request-6a11c9d2-fa5c-83e8-934f-b46429aa1619-38\" data-turn-id-container=\"request-6a11c9d2-fa5c-83e8-934f-b46429aa1619-38\" data-testid=\"conversation-turn-432\" data-scroll-anchor=\"false\" data-turn=\"assistant\"\u003e\n\u003cdiv class=\"text-base my-auto mx-auto pb-10 [--thread-content-margin:var(--thread-content-margin-xs,calc(var(--spacing)*4))] @w-sm\/main:[--thread-content-margin:var(--thread-content-margin-sm,calc(var(--spacing)*6))] @w-lg\/main:[--thread-content-margin:var(--thread-content-margin-lg,calc(var(--spacing)*16))] px-(--thread-content-margin)\"\u003e\n\u003cdiv class=\"[--thread-content-max-width:40rem] @w-lg\/main:[--thread-content-max-width:48rem] mx-auto max-w-(--thread-content-max-width) flex-1 group\/turn-messages focus-visible:outline-hidden relative flex w-full min-w-0 flex-col agent-turn\"\u003e\n\u003cdiv class=\"flex max-w-full flex-col gap-4 grow\"\u003e\n\u003cdiv data-message-author-role=\"assistant\" data-message-id=\"9ccd57d6-b547-4f0d-92b0-f5005f5ce7dc\" dir=\"auto\" data-message-model-slug=\"gpt-5-5\" class=\"min-h-8 text-message relative flex w-full flex-col items-end gap-2 text-start break-words whitespace-normal outline-none keyboard-focused:focus-ring [.text-message+\u0026amp;]:mt-1\" data-turn-start-message=\"true\" tabindex=\"0\"\u003e\n\u003cdiv class=\"flex w-full flex-col gap-1 empty:hidden\"\u003e\n\u003cdiv class=\"markdown prose dark:prose-invert wrap-break-word w-full dark markdown-new-styling\"\u003e\n\u003cp data-start=\"100\" data-end=\"487\"\u003eThe Littelfuse KLPC1200 is a 1200 Amp Class L time-delay fuse engineered for superior overcurrent and short-circuit protection in high-capacity industrial and commercial electrical systems. Part of the premium POWR-PRO™ KLPC series, this specification-grade fuse delivers exceptional performance, reliability, and current-limiting protection for critical power distribution applications.\u003c\/p\u003e\n\u003cp data-start=\"489\" data-end=\"874\"\u003eKLPC series fuses are manufactured using 99.9% pure silver fuse links, silver-plated copper end bells, glass-reinforced melamine bodies, O-ring seals, and granular quartz fillers. They are the only UL Listed Class L fuses that provide a minimum 10-second time delay at 500% rated current while maintaining current-limiting performance comparable to the fastest Class L fuses available.\u003c\/p\u003e\n\u003ch3 data-section-id=\"1judnlb\" data-start=\"881\" data-end=\"902\"\u003eElectrical Rating\u003c\/h3\u003e\n\u003cul data-start=\"903\" data-end=\"1092\"\u003e\n\u003cli data-section-id=\"dde1qo\" data-start=\"903\" data-end=\"932\"\u003eCurrent Rating: 1200 Amps\u003c\/li\u003e\n\u003cli data-section-id=\"1s2lsbc\" data-start=\"933\" data-end=\"964\"\u003eMaximum AC Voltage: 600 VAC\u003c\/li\u003e\n\u003cli data-section-id=\"14bflo2\" data-start=\"965\" data-end=\"996\"\u003eMaximum DC Voltage: 480 VDC\u003c\/li\u003e\n\u003cli data-section-id=\"13pvfpy\" data-start=\"997\" data-end=\"1092\"\u003eInterrupting Rating:\n\u003cul data-start=\"1022\" data-end=\"1092\"\u003e\n\u003cli data-section-id=\"mtvosw\" data-start=\"1022\" data-end=\"1043\"\u003e200 kA AC @ 600 VAC\u003c\/li\u003e\n\u003cli data-section-id=\"1a0i829\" data-start=\"1046\" data-end=\"1067\"\u003e300 kA AC @ 600 VAC\u003c\/li\u003e\n\u003cli data-section-id=\"ly5be\" data-start=\"1070\" data-end=\"1092\"\u003e20 kA DC @ 480 VDC\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-section-id=\"uvdx3z\" data-start=\"1099\" data-end=\"1121\"\u003eKey Specifications\u003c\/h3\u003e\n\u003cul data-start=\"1122\" data-end=\"1333\"\u003e\n\u003cli data-section-id=\"15ezalo\" data-start=\"1122\" data-end=\"1150\"\u003eManufacturer: Littelfuse\u003c\/li\u003e\n\u003cli data-section-id=\"1x91kz9\" data-start=\"1151\" data-end=\"1179\"\u003eCatalog Number: KLPC1200\u003c\/li\u003e\n\u003cli data-section-id=\"1si04ot\" data-start=\"1180\" data-end=\"1196\"\u003eSeries: KLPC\u003c\/li\u003e\n\u003cli data-section-id=\"1uncqjf\" data-start=\"1197\" data-end=\"1220\"\u003eFuse Class: Class L\u003c\/li\u003e\n\u003cli data-section-id=\"113ctc8\" data-start=\"1221\" data-end=\"1251\"\u003eConstruction Type: Bolt-In\u003c\/li\u003e\n\u003cli data-section-id=\"1383xbz\" data-start=\"1252\" data-end=\"1287\"\u003eFuse Type: Time-Delay (Slo-Blo)\u003c\/li\u003e\n\u003cli data-section-id=\"1s7m4ux\" data-start=\"1288\" data-end=\"1314\"\u003eFamily: POWR-PRO™ Fuse\u003c\/li\u003e\n\u003cli data-section-id=\"q4hlgv\" data-start=\"1315\" data-end=\"1333\"\u003eIndicating: No\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-section-id=\"krhh0r\" data-start=\"1340\" data-end=\"1370\"\u003eProtection Characteristics\u003c\/h3\u003e\n\u003cul data-start=\"1371\" data-end=\"1908\"\u003e\n\u003cli data-section-id=\"wbffns\" data-start=\"1371\" data-end=\"1425\"\u003eMinimum 10-second time delay at 500% rated current\u003c\/li\u003e\n\u003cli data-section-id=\"1w6lgtc\" data-start=\"1426\" data-end=\"1520\"\u003eHandles motor starting currents and transformer inrush currents without nuisance operation\u003c\/li\u003e\n\u003cli data-section-id=\"p58p98\" data-start=\"1521\" data-end=\"1601\"\u003eAdvanced current-limiting design minimizes fault energy and equipment damage\u003c\/li\u003e\n\u003cli data-section-id=\"18epzl6\" data-start=\"1602\" data-end=\"1691\"\u003ePeak let-through currents approximately 10% lower than other time-delay Class L fuses\u003c\/li\u003e\n\u003cli data-section-id=\"vvhzlb\" data-start=\"1692\" data-end=\"1751\"\u003eHigh interrupting capacity for maximum fault protection\u003c\/li\u003e\n\u003cli data-section-id=\"nvka7o\" data-start=\"1752\" data-end=\"1834\"\u003eProvides excellent feeder, motor, transformer, and service entrance protection\u003c\/li\u003e\n\u003cli data-section-id=\"mgyibh\" data-start=\"1835\" data-end=\"1908\"\u003eSupports selective coordination in complex power distribution systems\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-section-id=\"xldzoc\" data-start=\"1915\" data-end=\"1940\"\u003eConstruction Features\u003c\/h3\u003e\n\u003cul data-start=\"1941\" data-end=\"2228\"\u003e\n\u003cli data-section-id=\"w3lm5z\" data-start=\"1941\" data-end=\"1976\"\u003e99.9% pure silver fuse elements\u003c\/li\u003e\n\u003cli data-section-id=\"6qqnoa\" data-start=\"1977\" data-end=\"2011\"\u003eSilver-plated copper end bells\u003c\/li\u003e\n\u003cli data-section-id=\"170ffvd\" data-start=\"2012\" data-end=\"2051\"\u003eGlass-reinforced melamine fuse body\u003c\/li\u003e\n\u003cli data-section-id=\"1ra5t2y\" data-start=\"2052\" data-end=\"2095\"\u003eO-ring seals between body and end bells\u003c\/li\u003e\n\u003cli data-section-id=\"rwwwke\" data-start=\"2096\" data-end=\"2151\"\u003eGranular quartz filler for superior arc suppression\u003c\/li\u003e\n\u003cli data-section-id=\"15xe9ga\" data-start=\"2152\" data-end=\"2195\"\u003eHeavy-duty bolt-in Class L construction\u003c\/li\u003e\n\u003cli data-section-id=\"n1bgx2\" data-start=\"2196\" data-end=\"2228\"\u003eNon-indicating configuration\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-section-id=\"565xk3\" data-start=\"2235\" data-end=\"2258\"\u003eFeatures \u0026amp; Benefits\u003c\/h3\u003e\n\u003cul data-start=\"2259\" data-end=\"2670\"\u003e\n\u003cli data-section-id=\"1vxmf4c\" data-start=\"2259\" data-end=\"2320\"\u003eSpecification-grade performance for critical applications\u003c\/li\u003e\n\u003cli data-section-id=\"161tnun\" data-start=\"2321\" data-end=\"2394\"\u003eCurrent-limiting protection reduces short-circuit damage to equipment\u003c\/li\u003e\n\u003cli data-section-id=\"1nprl85\" data-start=\"2395\" data-end=\"2456\"\u003eExcellent coordination with downstream protective devices\u003c\/li\u003e\n\u003cli data-section-id=\"5rilct\" data-start=\"2457\" data-end=\"2528\"\u003eLonger equipment life through reduced thermal and mechanical stress\u003c\/li\u003e\n\u003cli data-section-id=\"1drjelg\" data-start=\"2529\" data-end=\"2588\"\u003eReliable operation in demanding industrial environments\u003c\/li\u003e\n\u003cli data-section-id=\"177bim3\" data-start=\"2589\" data-end=\"2670\"\u003eMeets or exceeds UL Class L requirements and stringent project specifications\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-section-id=\"1dp59sz\" data-start=\"2677\" data-end=\"2705\"\u003eMounting \u0026amp; Compatibility\u003c\/h3\u003e\n\u003cul data-start=\"2706\" data-end=\"2902\"\u003e\n\u003cli data-section-id=\"hminvj\" data-start=\"2706\" data-end=\"2734\"\u003eMounting Method: Bolt-In\u003c\/li\u003e\n\u003cli data-section-id=\"kq1c21\" data-start=\"2735\" data-end=\"2809\"\u003eCompatible with Class L fuse clips, fuse blocks, and mounting hardware\u003c\/li\u003e\n\u003cli data-section-id=\"14mi9fq\" data-start=\"2810\" data-end=\"2902\"\u003eSuitable for switchgear, switchboards, service entrances, and large distribution systems\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-section-id=\"wggvqn\" data-start=\"2909\" data-end=\"2925\"\u003eApplications\u003c\/h3\u003e\n\u003cul data-start=\"2926\" data-end=\"3221\"\u003e\n\u003cli data-section-id=\"ddoj6h\" data-start=\"2926\" data-end=\"2962\"\u003eMain service entrance protection\u003c\/li\u003e\n\u003cli data-section-id=\"1jbfv5s\" data-start=\"2963\" data-end=\"2988\"\u003eLarge feeder circuits\u003c\/li\u003e\n\u003cli data-section-id=\"n7lx3w\" data-start=\"2989\" data-end=\"3030\"\u003eIndustrial power distribution systems\u003c\/li\u003e\n\u003cli data-section-id=\"gwae0z\" data-start=\"3031\" data-end=\"3063\"\u003eMotor control centers (MCCs)\u003c\/li\u003e\n\u003cli data-section-id=\"rr4hg8\" data-start=\"3064\" data-end=\"3106\"\u003eTransformers and large inductive loads\u003c\/li\u003e\n\u003cli data-section-id=\"1s1veav\" data-start=\"3107\" data-end=\"3152\"\u003eCommercial and utility electrical systems\u003c\/li\u003e\n\u003cli data-section-id=\"1j7jkqy\" data-start=\"3153\" data-end=\"3221\"\u003eCritical infrastructure requiring specification-grade protection\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-section-id=\"1aljov1\" data-start=\"3228\" data-end=\"3244\"\u003eProduct Data\u003c\/h3\u003e\n\u003cul data-start=\"3245\" data-end=\"3421\"\u003e\n\u003cli data-section-id=\"15ezalo\" data-start=\"3245\" data-end=\"3273\"\u003eManufacturer: Littelfuse\u003c\/li\u003e\n\u003cli data-section-id=\"1x91kz9\" data-start=\"3274\" data-end=\"3302\"\u003eCatalog Number: KLPC1200\u003c\/li\u003e\n\u003cli data-section-id=\"j7i9rs\" data-start=\"3303\" data-end=\"3353\"\u003eProduct Type: Time-Delay Current-Limiting Fuse\u003c\/li\u003e\n\u003cli data-section-id=\"1si04ot\" data-start=\"3354\" data-end=\"3370\"\u003eSeries: KLPC\u003c\/li\u003e\n\u003cli data-section-id=\"1uncqjf\" data-start=\"3371\" data-end=\"3394\"\u003eFuse Class: Class L\u003c\/li\u003e\n\u003cli data-section-id=\"1s7m4ux\" data-start=\"3395\" data-end=\"3421\"\u003eFamily: POWR-PRO™ Fuse\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cbr\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"z-0 flex min-h-[46px] justify-start\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv class=\"mt-3 w-full empty:hidden\"\u003e\n\u003cdiv class=\"text-center\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Littelfuse","offers":[{"title":"NEW","offer_id":48478152261881,"sku":"KLPC1200","price":603.4,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0750\/7810\/7385\/files\/1280_IVbYUDopseD21E7U_ae13e97e-0d90-4720-99cc-9cd9d8df2d16.jpg?v=1780428723","url":"https:\/\/mycircuitbreakers.com\/products\/littelfuse-klpc1200-class-l-fuse-1200a-600v-time-delay-powr-pro%e2%84%a2-fuse","provider":"My Circuit Breakers","version":"1.0","type":"link"}