{"product_id":"littelfuse-jlln450-class-t-fuse-450a-300v-fast-acting-current-limiting-fuse","title":"Littelfuse JLLN450 Class T Fuse – 450A – 300V Fast-Acting Current-Limiting Fuse","description":"\u003cp data-start=\"106\" data-end=\"610\"\u003eThe Littelfuse JLLN450 is a 450 Amp Class T fast-acting fuse designed for advanced protection in industrial and commercial electrical distribution systems. Part of the JLLN 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 makes it ideal for applications requiring high interrupting capacity, reliable performance, and efficient use of panel space.\u003c\/p\u003e\n\u003ch3 data-section-id=\"1judnlb\" data-start=\"617\" data-end=\"638\"\u003eElectrical Rating\u003c\/h3\u003e\n\u003cul data-start=\"639\" data-end=\"797\"\u003e\n\u003cli data-section-id=\"s7wma\" data-start=\"639\" data-end=\"667\"\u003eCurrent Rating: 450 Amps\u003c\/li\u003e\n\u003cli data-section-id=\"1r9g6xp\" data-start=\"668\" data-end=\"699\"\u003eMaximum AC Voltage: 300 VAC\u003c\/li\u003e\n\u003cli data-section-id=\"1bhmmrc\" data-start=\"700\" data-end=\"731\"\u003eMaximum DC Voltage: 125 VDC\u003c\/li\u003e\n\u003cli data-section-id=\"1hyb0lc\" data-start=\"732\" data-end=\"797\"\u003eInterrupting Rating:\n\u003cul data-start=\"759\" data-end=\"797\"\u003e\n\u003cli data-section-id=\"5nvs4y\" data-start=\"759\" data-end=\"772\"\u003e200 kA AC\u003c\/li\u003e\n\u003cli data-section-id=\"oebnhc\" data-start=\"775\" data-end=\"797\"\u003e20 kA DC @ 125 VDC\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-section-id=\"uvdx3z\" data-start=\"804\" data-end=\"826\"\u003eKey Specifications\u003c\/h3\u003e\n\u003cul data-start=\"827\" data-end=\"1032\"\u003e\n\u003cli data-section-id=\"15ezalo\" data-start=\"827\" data-end=\"855\"\u003eManufacturer: Littelfuse\u003c\/li\u003e\n\u003cli data-section-id=\"1l3bid3\" data-start=\"856\" data-end=\"883\"\u003eCatalog Number: JLLN450\u003c\/li\u003e\n\u003cli data-section-id=\"1vptq8d\" data-start=\"884\" data-end=\"900\"\u003eSeries: JLLN\u003c\/li\u003e\n\u003cli data-section-id=\"1unc6df\" data-start=\"901\" data-end=\"924\"\u003eFuse Class: Class T\u003c\/li\u003e\n\u003cli data-section-id=\"10wxn8r\" data-start=\"925\" data-end=\"969\"\u003eConstruction Type: Knife-Blade \/ Bolt-In\u003c\/li\u003e\n\u003cli data-section-id=\"12nf2bp\" data-start=\"970\" data-end=\"1013\"\u003eFuse Type: Fast-Acting Current-Limiting\u003c\/li\u003e\n\u003cli data-section-id=\"q4hlgv\" data-start=\"1014\" data-end=\"1032\"\u003eIndicating: No\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-section-id=\"krhh0r\" data-start=\"1039\" data-end=\"1069\"\u003eProtection Characteristics\u003c\/h3\u003e\n\u003cul data-start=\"1070\" data-end=\"1410\"\u003e\n\u003cli data-section-id=\"1a3lwdy\" data-start=\"1070\" data-end=\"1124\"\u003eFast-acting operation for rapid fault interruption\u003c\/li\u003e\n\u003cli data-section-id=\"1hbvn5l\" data-start=\"1125\" data-end=\"1196\"\u003eCurrent-limiting design minimizes fault energy and equipment stress\u003c\/li\u003e\n\u003cli data-section-id=\"hxzu42\" data-start=\"1197\" data-end=\"1243\"\u003eProvides superior short-circuit protection\u003c\/li\u003e\n\u003cli data-section-id=\"4f44rv\" data-start=\"1244\" data-end=\"1320\"\u003eHigh interrupting capacity for demanding electrical distribution systems\u003c\/li\u003e\n\u003cli data-section-id=\"1b99hf9\" data-start=\"1321\" data-end=\"1410\"\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=\"1417\" data-end=\"1442\"\u003eConstruction Features\u003c\/h3\u003e\n\u003cul data-start=\"1443\" data-end=\"1626\"\u003e\n\u003cli data-section-id=\"1ywu2gy\" data-start=\"1443\" data-end=\"1474\"\u003eCompact Class T fuse design\u003c\/li\u003e\n\u003cli data-section-id=\"166gte5\" data-start=\"1475\" data-end=\"1520\"\u003eKnife-blade\/bolt-in terminal construction\u003c\/li\u003e\n\u003cli data-section-id=\"1lrgeqr\" data-start=\"1521\" data-end=\"1558\"\u003eNon-indicating fuse configuration\u003c\/li\u003e\n\u003cli data-section-id=\"1i5zrlc\" data-start=\"1559\" data-end=\"1626\"\u003eIndustrial-duty construction for dependable long-term operation\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-section-id=\"1dp59sz\" data-start=\"1633\" data-end=\"1661\"\u003eMounting \u0026amp; Compatibility\u003c\/h3\u003e\n\u003cul data-start=\"1662\" data-end=\"1890\"\u003e\n\u003cli data-section-id=\"scj4g6\" data-start=\"1662\" data-end=\"1721\"\u003eMounting Method: Fuse Block \/ Holder \/ Bolt-In Mounting\u003c\/li\u003e\n\u003cli data-section-id=\"1clzk5o\" data-start=\"1722\" data-end=\"1778\"\u003eCompatible with Class T fuse blocks and fuse holders\u003c\/li\u003e\n\u003cli data-section-id=\"fz17dt\" data-start=\"1779\" data-end=\"1890\"\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=\"1897\" data-end=\"1913\"\u003eApplications\u003c\/h3\u003e\n\u003cul data-start=\"1914\" data-end=\"2171\"\u003e\n\u003cli data-section-id=\"n7lx3w\" data-start=\"1914\" data-end=\"1955\"\u003eIndustrial power distribution systems\u003c\/li\u003e\n\u003cli data-section-id=\"z4icg\" data-start=\"1956\" data-end=\"1990\"\u003eUPS and battery backup systems\u003c\/li\u003e\n\u003cli data-section-id=\"x5ewh3\" data-start=\"1991\" data-end=\"2023\"\u003eSwitchboards and panelboards\u003c\/li\u003e\n\u003cli data-section-id=\"1n6q63g\" data-start=\"2024\" data-end=\"2049\"\u003eMotor control centers\u003c\/li\u003e\n\u003cli data-section-id=\"11fbwcj\" data-start=\"2050\" data-end=\"2107\"\u003eCurrent-limiting feeder and branch circuit protection\u003c\/li\u003e\n\u003cli data-section-id=\"iray4j\" data-start=\"2108\" data-end=\"2171\"\u003eProtection of sensitive electrical and electronic equipment\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-section-id=\"1aljov1\" data-start=\"2178\" data-end=\"2194\"\u003eProduct Data\u003c\/h3\u003e\n\u003cul data-start=\"2195\" data-end=\"2344\"\u003e\n\u003cli data-section-id=\"15ezalo\" data-start=\"2195\" data-end=\"2223\"\u003eManufacturer: Littelfuse\u003c\/li\u003e\n\u003cli data-section-id=\"1l3bid3\" data-start=\"2224\" data-end=\"2251\"\u003eCatalog Number: JLLN450\u003c\/li\u003e\n\u003cli data-section-id=\"1qz3a0e\" data-start=\"2252\" data-end=\"2303\"\u003eProduct Type: Fast-Acting Current-Limiting Fuse\u003c\/li\u003e\n\u003cli data-section-id=\"1vptq8d\" data-start=\"2304\" data-end=\"2320\"\u003eSeries: JLLN\u003c\/li\u003e\n\u003cli data-section-id=\"1unc6df\" data-start=\"2321\" data-end=\"2344\"\u003eFuse Class: Class T\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Littelfuse","offers":[{"title":"NEW","offer_id":48476343107833,"sku":"JLLN450","price":107.8,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0750\/7810\/7385\/files\/1280_YDZJBpQVVWc03MD0_c4bbf89e-a8d7-407f-9dbe-cc2921a78d0c.jpg?v=1780408266","url":"https:\/\/mycircuitbreakers.com\/products\/littelfuse-jlln450-class-t-fuse-450a-300v-fast-acting-current-limiting-fuse","provider":"My Circuit Breakers","version":"1.0","type":"link"}