{"product_id":"littelfuse-jlls250-class-t-fuse-250a-600v-fast-acting-current-limiting-fuse","title":"Littelfuse JLLS250 Class T Fuse – 250A – 600V Fast-Acting Current-Limiting Fuse","description":"\u003cp data-start=\"106\" data-end=\"630\"\u003eThe Littelfuse JLLS250 is a 250 Amp Class T fast-acting fuse designed to provide superior short-circuit protection in industrial and commercial electrical distribution systems. Part of the JLLS series, this current-limiting fuse responds rapidly to fault conditions, minimizing let-through energy and helping protect electrical equipment from damaging fault currents. Its compact knife-blade\/bolt-in construction makes it ideal for applications where high interrupting capacity and space-efficient installation are required.\u003c\/p\u003e\n\u003ch3 data-section-id=\"1judnlb\" data-start=\"637\" data-end=\"658\"\u003eElectrical Rating\u003c\/h3\u003e\n\u003cul data-start=\"659\" data-end=\"817\"\u003e\n\u003cli data-section-id=\"upok9w\" data-start=\"659\" data-end=\"687\"\u003eCurrent Rating: 250 Amps\u003c\/li\u003e\n\u003cli data-section-id=\"1s2lsbc\" data-start=\"688\" data-end=\"719\"\u003eMaximum AC Voltage: 600 VAC\u003c\/li\u003e\n\u003cli data-section-id=\"3p3ayl\" data-start=\"720\" data-end=\"751\"\u003eMaximum DC Voltage: 300 VDC\u003c\/li\u003e\n\u003cli data-section-id=\"3fy0ud\" data-start=\"752\" data-end=\"817\"\u003eInterrupting Rating:\n\u003cul data-start=\"779\" data-end=\"817\"\u003e\n\u003cli data-section-id=\"5nvs4y\" data-start=\"779\" data-end=\"792\"\u003e200 kA AC\u003c\/li\u003e\n\u003cli data-section-id=\"1fmwdnp\" data-start=\"795\" data-end=\"817\"\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=\"824\" data-end=\"846\"\u003eKey Specifications\u003c\/h3\u003e\n\u003cul data-start=\"847\" data-end=\"1052\"\u003e\n\u003cli data-section-id=\"15ezalo\" data-start=\"847\" data-end=\"875\"\u003eManufacturer: Littelfuse\u003c\/li\u003e\n\u003cli data-section-id=\"c3hzg\" data-start=\"876\" data-end=\"903\"\u003eCatalog Number: JLLS250\u003c\/li\u003e\n\u003cli data-section-id=\"1vptuds\" data-start=\"904\" data-end=\"920\"\u003eSeries: JLLS\u003c\/li\u003e\n\u003cli data-section-id=\"1unc6df\" data-start=\"921\" data-end=\"944\"\u003eFuse Class: Class T\u003c\/li\u003e\n\u003cli data-section-id=\"10wxn8r\" data-start=\"945\" data-end=\"989\"\u003eConstruction Type: Knife-Blade \/ Bolt-In\u003c\/li\u003e\n\u003cli data-section-id=\"12nf2bp\" data-start=\"990\" data-end=\"1033\"\u003eFuse Type: Fast-Acting Current-Limiting\u003c\/li\u003e\n\u003cli data-section-id=\"q4hlgv\" data-start=\"1034\" data-end=\"1052\"\u003eIndicating: No\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-section-id=\"krhh0r\" data-start=\"1059\" data-end=\"1089\"\u003eProtection Characteristics\u003c\/h3\u003e\n\u003cul data-start=\"1090\" data-end=\"1421\"\u003e\n\u003cli data-section-id=\"1a3lwdy\" data-start=\"1090\" data-end=\"1144\"\u003eFast-acting operation for rapid fault interruption\u003c\/li\u003e\n\u003cli data-section-id=\"nipvyr\" data-start=\"1145\" data-end=\"1211\"\u003eCurrent-limiting design reduces let-through current and energy\u003c\/li\u003e\n\u003cli data-section-id=\"1va1tnh\" data-start=\"1212\" data-end=\"1261\"\u003eProvides exceptional short-circuit protection\u003c\/li\u003e\n\u003cli data-section-id=\"vgaczr\" data-start=\"1262\" data-end=\"1331\"\u003eHigh interrupting capacity for demanding industrial power systems\u003c\/li\u003e\n\u003cli data-section-id=\"1b99hf9\" data-start=\"1332\" data-end=\"1421\"\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=\"1428\" data-end=\"1453\"\u003eConstruction Features\u003c\/h3\u003e\n\u003cul data-start=\"1454\" data-end=\"1639\"\u003e\n\u003cli data-section-id=\"1ywu2gy\" data-start=\"1454\" data-end=\"1485\"\u003eCompact Class T fuse design\u003c\/li\u003e\n\u003cli data-section-id=\"166gte5\" data-start=\"1486\" data-end=\"1531\"\u003eKnife-blade\/bolt-in terminal construction\u003c\/li\u003e\n\u003cli data-section-id=\"1lrgeqr\" data-start=\"1532\" data-end=\"1569\"\u003eNon-indicating fuse configuration\u003c\/li\u003e\n\u003cli data-section-id=\"12e9zul\" data-start=\"1570\" data-end=\"1639\"\u003eIndustrial-duty construction for dependable long-term performance\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-section-id=\"1dp59sz\" data-start=\"1646\" data-end=\"1674\"\u003eMounting \u0026amp; Compatibility\u003c\/h3\u003e\n\u003cul data-start=\"1675\" data-end=\"1903\"\u003e\n\u003cli data-section-id=\"scj4g6\" data-start=\"1675\" data-end=\"1734\"\u003eMounting Method: Fuse Block \/ Holder \/ Bolt-In Mounting\u003c\/li\u003e\n\u003cli data-section-id=\"1clzk5o\" data-start=\"1735\" data-end=\"1791\"\u003eCompatible with Class T fuse blocks and fuse holders\u003c\/li\u003e\n\u003cli data-section-id=\"fz17dt\" data-start=\"1792\" data-end=\"1903\"\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=\"1910\" data-end=\"1926\"\u003eApplications\u003c\/h3\u003e\n\u003cul data-start=\"1927\" data-end=\"2184\"\u003e\n\u003cli data-section-id=\"n7lx3w\" data-start=\"1927\" data-end=\"1968\"\u003eIndustrial power distribution systems\u003c\/li\u003e\n\u003cli data-section-id=\"z4icg\" data-start=\"1969\" data-end=\"2003\"\u003eUPS and battery backup systems\u003c\/li\u003e\n\u003cli data-section-id=\"x5ewh3\" data-start=\"2004\" data-end=\"2036\"\u003eSwitchboards and panelboards\u003c\/li\u003e\n\u003cli data-section-id=\"1n6q63g\" data-start=\"2037\" data-end=\"2062\"\u003eMotor control centers\u003c\/li\u003e\n\u003cli data-section-id=\"11fbwcj\" data-start=\"2063\" data-end=\"2120\"\u003eCurrent-limiting feeder and branch circuit protection\u003c\/li\u003e\n\u003cli data-section-id=\"iray4j\" data-start=\"2121\" data-end=\"2184\"\u003eProtection of sensitive electrical and electronic equipment\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-section-id=\"1aljov1\" data-start=\"2191\" data-end=\"2207\"\u003eProduct Data\u003c\/h3\u003e\n\u003cul data-start=\"2208\" data-end=\"2357\"\u003e\n\u003cli data-section-id=\"15ezalo\" data-start=\"2208\" data-end=\"2236\"\u003eManufacturer: Littelfuse\u003c\/li\u003e\n\u003cli data-section-id=\"c3hzg\" data-start=\"2237\" data-end=\"2264\"\u003eCatalog Number: JLLS250\u003c\/li\u003e\n\u003cli data-section-id=\"1qz3a0e\" data-start=\"2265\" data-end=\"2316\"\u003eProduct Type: Fast-Acting Current-Limiting Fuse\u003c\/li\u003e\n\u003cli data-section-id=\"1vptuds\" data-start=\"2317\" data-end=\"2333\"\u003eSeries: JLLS\u003c\/li\u003e\n\u003cli data-section-id=\"1unc6df\" data-start=\"2334\" data-end=\"2357\"\u003eFuse Class: Class T\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Littelfuse","offers":[{"title":"NEW","offer_id":48476379644153,"sku":"JLLS250","price":123.2,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0750\/7810\/7385\/files\/1280_gPxPI1wCdjQ24IJv_2ad279e7-fb88-4fec-871e-5edb95a812d8.jpg?v=1780409539","url":"https:\/\/mycircuitbreakers.com\/products\/littelfuse-jlls250-class-t-fuse-250a-600v-fast-acting-current-limiting-fuse","provider":"My Circuit Breakers","version":"1.0","type":"link"}