{"product_id":"littelfuse-jlls450-class-t-fuse-450a-600v-fast-acting-current-limiting-fuse","title":"Littelfuse JLLS450 Class T Fuse – 450A – 600V Fast-Acting Current-Limiting Fuse","description":"\u003cp data-start=\"106\" data-end=\"609\"\u003eThe Littelfuse JLLS450 is a 450 Amp Class T fast-acting fuse designed for high-performance protection in industrial and commercial electrical distribution systems. Part of the JLLS series, this current-limiting fuse provides rapid fault interruption to minimize equipment damage and reduce let-through energy during short-circuit conditions. Its compact knife-blade\/bolt-in construction allows efficient installation in applications where high interrupting capacity and superior protection are required.\u003c\/p\u003e\n\u003ch3 data-section-id=\"1judnlb\" data-start=\"616\" data-end=\"637\"\u003eElectrical Rating\u003c\/h3\u003e\n\u003cul data-start=\"638\" data-end=\"796\"\u003e\n\u003cli data-section-id=\"s7wma\" data-start=\"638\" data-end=\"666\"\u003eCurrent Rating: 450 Amps\u003c\/li\u003e\n\u003cli data-section-id=\"1s2lsbc\" data-start=\"667\" data-end=\"698\"\u003eMaximum AC Voltage: 600 VAC\u003c\/li\u003e\n\u003cli data-section-id=\"3p3ayl\" data-start=\"699\" data-end=\"730\"\u003eMaximum DC Voltage: 300 VDC\u003c\/li\u003e\n\u003cli data-section-id=\"3fy0ud\" data-start=\"731\" data-end=\"796\"\u003eInterrupting Rating:\n\u003cul data-start=\"758\" data-end=\"796\"\u003e\n\u003cli data-section-id=\"5nvs4y\" data-start=\"758\" data-end=\"771\"\u003e200 kA AC\u003c\/li\u003e\n\u003cli data-section-id=\"1fmwdnp\" data-start=\"774\" data-end=\"796\"\u003e20 kA DC @ 300 VDC\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-section-id=\"uvdx3z\" data-start=\"803\" data-end=\"825\"\u003eKey Specifications\u003c\/h3\u003e\n\u003cul data-start=\"826\" data-end=\"1031\"\u003e\n\u003cli data-section-id=\"15ezalo\" data-start=\"826\" data-end=\"854\"\u003eManufacturer: Littelfuse\u003c\/li\u003e\n\u003cli data-section-id=\"g5uiy\" data-start=\"855\" data-end=\"882\"\u003eCatalog Number: JLLS450\u003c\/li\u003e\n\u003cli data-section-id=\"1vptuds\" data-start=\"883\" data-end=\"899\"\u003eSeries: JLLS\u003c\/li\u003e\n\u003cli data-section-id=\"1unc6df\" data-start=\"900\" data-end=\"923\"\u003eFuse Class: Class T\u003c\/li\u003e\n\u003cli data-section-id=\"10wxn8r\" data-start=\"924\" data-end=\"968\"\u003eConstruction Type: Knife-Blade \/ Bolt-In\u003c\/li\u003e\n\u003cli data-section-id=\"12nf2bp\" data-start=\"969\" data-end=\"1012\"\u003eFuse Type: Fast-Acting Current-Limiting\u003c\/li\u003e\n\u003cli data-section-id=\"q4hlgv\" data-start=\"1013\" data-end=\"1031\"\u003eIndicating: No\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-section-id=\"krhh0r\" data-start=\"1038\" data-end=\"1068\"\u003eProtection Characteristics\u003c\/h3\u003e\n\u003cul data-start=\"1069\" data-end=\"1407\"\u003e\n\u003cli data-section-id=\"sy3zvj\" data-start=\"1069\" data-end=\"1123\"\u003eFast-acting operation for immediate fault clearing\u003c\/li\u003e\n\u003cli data-section-id=\"zfjuip\" data-start=\"1124\" data-end=\"1198\"\u003eCurrent-limiting design minimizes let-through current and fault energy\u003c\/li\u003e\n\u003cli data-section-id=\"1va1tnh\" data-start=\"1199\" data-end=\"1248\"\u003eProvides exceptional short-circuit protection\u003c\/li\u003e\n\u003cli data-section-id=\"dv02xz\" data-start=\"1249\" data-end=\"1317\"\u003eHigh interrupting capacity for demanding industrial applications\u003c\/li\u003e\n\u003cli data-section-id=\"1b99hf9\" data-start=\"1318\" data-end=\"1407\"\u003eHelps protect sensitive electrical and electronic equipment from fault-related damage\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-section-id=\"xldzoc\" data-start=\"1414\" data-end=\"1439\"\u003eConstruction Features\u003c\/h3\u003e\n\u003cul data-start=\"1440\" data-end=\"1618\"\u003e\n\u003cli data-section-id=\"1ywu2gy\" data-start=\"1440\" data-end=\"1471\"\u003eCompact Class T fuse design\u003c\/li\u003e\n\u003cli data-section-id=\"166gte5\" data-start=\"1472\" data-end=\"1517\"\u003eKnife-blade\/bolt-in terminal construction\u003c\/li\u003e\n\u003cli data-section-id=\"1lrgeqr\" data-start=\"1518\" data-end=\"1555\"\u003eNon-indicating fuse configuration\u003c\/li\u003e\n\u003cli data-section-id=\"j8qoer\" data-start=\"1556\" data-end=\"1618\"\u003eRugged industrial-duty construction for reliable operation\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-section-id=\"1dp59sz\" data-start=\"1625\" data-end=\"1653\"\u003eMounting \u0026amp; Compatibility\u003c\/h3\u003e\n\u003cul data-start=\"1654\" data-end=\"1882\"\u003e\n\u003cli data-section-id=\"scj4g6\" data-start=\"1654\" data-end=\"1713\"\u003eMounting Method: Fuse Block \/ Holder \/ Bolt-In Mounting\u003c\/li\u003e\n\u003cli data-section-id=\"1clzk5o\" data-start=\"1714\" data-end=\"1770\"\u003eCompatible with Class T fuse blocks and fuse holders\u003c\/li\u003e\n\u003cli data-section-id=\"fz17dt\" data-start=\"1771\" data-end=\"1882\"\u003eSuitable for switchboards, panelboards, UPS systems, battery systems, and industrial distribution equipment\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-section-id=\"wggvqn\" data-start=\"1889\" data-end=\"1905\"\u003eApplications\u003c\/h3\u003e\n\u003cul data-start=\"1906\" data-end=\"2163\"\u003e\n\u003cli data-section-id=\"n7lx3w\" data-start=\"1906\" data-end=\"1947\"\u003eIndustrial power distribution systems\u003c\/li\u003e\n\u003cli data-section-id=\"z4icg\" data-start=\"1948\" data-end=\"1982\"\u003eUPS and battery backup systems\u003c\/li\u003e\n\u003cli data-section-id=\"x5ewh3\" data-start=\"1983\" data-end=\"2015\"\u003eSwitchboards and panelboards\u003c\/li\u003e\n\u003cli data-section-id=\"1n6q63g\" data-start=\"2016\" data-end=\"2041\"\u003eMotor control centers\u003c\/li\u003e\n\u003cli data-section-id=\"11fbwcj\" data-start=\"2042\" data-end=\"2099\"\u003eCurrent-limiting feeder and branch circuit protection\u003c\/li\u003e\n\u003cli data-section-id=\"iray4j\" data-start=\"2100\" data-end=\"2163\"\u003eProtection of sensitive electrical and electronic equipment\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-section-id=\"1aljov1\" data-start=\"2170\" data-end=\"2186\"\u003eProduct Data\u003c\/h3\u003e\n\u003cul data-start=\"2187\" data-end=\"2336\"\u003e\n\u003cli data-section-id=\"15ezalo\" data-start=\"2187\" data-end=\"2215\"\u003eManufacturer: Littelfuse\u003c\/li\u003e\n\u003cli data-section-id=\"g5uiy\" data-start=\"2216\" data-end=\"2243\"\u003eCatalog Number: JLLS450\u003c\/li\u003e\n\u003cli data-section-id=\"1qz3a0e\" data-start=\"2244\" data-end=\"2295\"\u003eProduct Type: Fast-Acting Current-Limiting Fuse\u003c\/li\u003e\n\u003cli data-section-id=\"1vptuds\" data-start=\"2296\" data-end=\"2312\"\u003eSeries: JLLS\u003c\/li\u003e\n\u003cli data-section-id=\"1unc6df\" data-start=\"2313\" data-end=\"2336\"\u003eFuse Class: Class T\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Littelfuse","offers":[{"title":"NEW","offer_id":48476384526585,"sku":"JLLS450","price":298.2,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0750\/7810\/7385\/files\/1280_nVjNdAqs7g11whGa.jpg?v=1780409897","url":"https:\/\/mycircuitbreakers.com\/products\/littelfuse-jlls450-class-t-fuse-450a-600v-fast-acting-current-limiting-fuse","provider":"My Circuit Breakers","version":"1.0","type":"link"}