{"product_id":"littelfuse-flnr500-class-rk5-fuse-500a-250v-time-delay-fuse","title":"Littelfuse FLNR500 Class RK5 Fuse – 500A – 250V Time-Delay Fuse","description":"\u003cp data-start=\"90\" data-end=\"584\"\u003eThe Littelfuse FLNR500 is a 500 Amp Class RK5 dual-element time-delay fuse designed for industrial and commercial electrical distribution systems. Part of the FLNR series, this knife-blade fuse provides reliable overload and short-circuit protection for feeders, transformers, motors, and other power distribution equipment. Its time-delay characteristics allow temporary inrush currents associated with motor starting and transformer energization while maintaining dependable fault protection.\u003c\/p\u003e\n\u003ch3 data-section-id=\"1judnlb\" data-start=\"591\" data-end=\"612\"\u003eElectrical Rating\u003c\/h3\u003e\n\u003cul data-start=\"613\" data-end=\"761\"\u003e\n\u003cli data-section-id=\"v0258m\" data-start=\"613\" data-end=\"641\"\u003eCurrent Rating: 500 Amps\u003c\/li\u003e\n\u003cli data-section-id=\"1s8cdo9\" data-start=\"642\" data-end=\"673\"\u003eMaximum AC Voltage: 250 VAC\u003c\/li\u003e\n\u003cli data-section-id=\"1bhmmrc\" data-start=\"674\" data-end=\"705\"\u003eMaximum DC Voltage: 125 VDC\u003c\/li\u003e\n\u003cli data-section-id=\"1x6t7xi\" data-start=\"706\" data-end=\"761\"\u003eInterrupting Rating:\n\u003cul data-start=\"733\" data-end=\"761\"\u003e\n\u003cli data-section-id=\"1uz2u2b\" data-start=\"733\" data-end=\"746\"\u003e300 kA AC\u003c\/li\u003e\n\u003cli data-section-id=\"672013\" data-start=\"749\" data-end=\"761\"\u003e20 kA DC\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-section-id=\"uvdx3z\" data-start=\"768\" data-end=\"790\"\u003eKey Specifications\u003c\/h3\u003e\n\u003cul data-start=\"791\" data-end=\"977\"\u003e\n\u003cli data-section-id=\"15ezalo\" data-start=\"791\" data-end=\"819\"\u003eManufacturer: Littelfuse\u003c\/li\u003e\n\u003cli data-section-id=\"1phv9kx\" data-start=\"820\" data-end=\"847\"\u003eCatalog Number: FLNR500\u003c\/li\u003e\n\u003cli data-section-id=\"3zxftr\" data-start=\"848\" data-end=\"864\"\u003eSeries: FLNR\u003c\/li\u003e\n\u003cli data-section-id=\"rsvtqt\" data-start=\"865\" data-end=\"884\"\u003eFuse Class: RK5\u003c\/li\u003e\n\u003cli data-section-id=\"soa6gr\" data-start=\"885\" data-end=\"919\"\u003eConstruction Type: Knife-Blade\u003c\/li\u003e\n\u003cli data-section-id=\"jo8dmo\" data-start=\"920\" data-end=\"958\"\u003eFuse Type: Dual Element Time-Delay\u003c\/li\u003e\n\u003cli data-section-id=\"q4hlgv\" data-start=\"959\" data-end=\"977\"\u003eIndicating: No\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-section-id=\"krhh0r\" data-start=\"984\" data-end=\"1014\"\u003eProtection Characteristics\u003c\/h3\u003e\n\u003cul data-start=\"1015\" data-end=\"1270\"\u003e\n\u003cli data-section-id=\"10on5wt\" data-start=\"1015\" data-end=\"1051\"\u003eTime-delay (slow-blow) operation\u003c\/li\u003e\n\u003cli data-section-id=\"19w665b\" data-start=\"1052\" data-end=\"1086\"\u003eDual-element fuse construction\u003c\/li\u003e\n\u003cli data-section-id=\"1608z5w\" data-start=\"1087\" data-end=\"1137\"\u003eProvides overload and short-circuit protection\u003c\/li\u003e\n\u003cli data-section-id=\"1vf9335\" data-start=\"1138\" data-end=\"1205\"\u003eHelps prevent nuisance opening during temporary inrush currents\u003c\/li\u003e\n\u003cli data-section-id=\"9b2dwx\" data-start=\"1206\" data-end=\"1270\"\u003eHigh interrupting capacity for industrial electrical systems\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-section-id=\"xldzoc\" data-start=\"1277\" data-end=\"1302\"\u003eConstruction Features\u003c\/h3\u003e\n\u003cul data-start=\"1303\" data-end=\"1480\"\u003e\n\u003cli data-section-id=\"cgsz4i\" data-start=\"1303\" data-end=\"1334\"\u003eKnife-blade terminal design\u003c\/li\u003e\n\u003cli data-section-id=\"1lrgeqr\" data-start=\"1335\" data-end=\"1372\"\u003eNon-indicating fuse configuration\u003c\/li\u003e\n\u003cli data-section-id=\"1g889p5\" data-start=\"1373\" data-end=\"1432\"\u003eIndustrial-duty construction for demanding environments\u003c\/li\u003e\n\u003cli data-section-id=\"1s5hpl\" data-start=\"1433\" data-end=\"1480\"\u003eDesigned for reliable long-term performance\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-section-id=\"1dp59sz\" data-start=\"1487\" data-end=\"1515\"\u003eMounting \u0026amp; Compatibility\u003c\/h3\u003e\n\u003cul data-start=\"1516\" data-end=\"1736\"\u003e\n\u003cli data-section-id=\"1yglfdu\" data-start=\"1516\" data-end=\"1563\"\u003eMounting Method: Fuse Block \/ Clip \/ Holder\u003c\/li\u003e\n\u003cli data-section-id=\"1au6kun\" data-start=\"1564\" data-end=\"1631\"\u003eCompatible with standard Class RK5 fuse holders and fuse blocks\u003c\/li\u003e\n\u003cli data-section-id=\"18r6j0i\" data-start=\"1632\" data-end=\"1736\"\u003eSuitable for switchboards, panelboards, motor control centers, and industrial distribution equipment\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-section-id=\"wggvqn\" data-start=\"1743\" data-end=\"1759\"\u003eApplications\u003c\/h3\u003e\n\u003cul data-start=\"1760\" data-end=\"1949\"\u003e\n\u003cli data-section-id=\"fz1udj\" data-start=\"1760\" data-end=\"1795\"\u003eMotor branch circuit protection\u003c\/li\u003e\n\u003cli data-section-id=\"fknz5c\" data-start=\"1796\" data-end=\"1822\"\u003eTransformer protection\u003c\/li\u003e\n\u003cli data-section-id=\"gsgjc0\" data-start=\"1823\" data-end=\"1861\"\u003eIndustrial machinery and equipment\u003c\/li\u003e\n\u003cli data-section-id=\"1b02wdy\" data-start=\"1862\" data-end=\"1908\"\u003eCommercial electrical distribution systems\u003c\/li\u003e\n\u003cli data-section-id=\"14gqy7m\" data-start=\"1909\" data-end=\"1949\"\u003eFeeder and branch circuit protection\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-section-id=\"1aljov1\" data-start=\"1956\" data-end=\"1972\"\u003eProduct Data\u003c\/h3\u003e\n\u003cul data-start=\"1973\" data-end=\"2100\"\u003e\n\u003cli data-section-id=\"15ezalo\" data-start=\"1973\" data-end=\"2001\"\u003eManufacturer: Littelfuse\u003c\/li\u003e\n\u003cli data-section-id=\"1phv9kx\" data-start=\"2002\" data-end=\"2029\"\u003eCatalog Number: FLNR500\u003c\/li\u003e\n\u003cli data-section-id=\"6027wp\" data-start=\"2030\" data-end=\"2063\"\u003eProduct Type: Time-Delay Fuse\u003c\/li\u003e\n\u003cli data-section-id=\"3zxftr\" data-start=\"2064\" data-end=\"2080\"\u003eSeries: FLNR\u003c\/li\u003e\n\u003cli data-section-id=\"rsvtqt\" data-start=\"2081\" data-end=\"2100\"\u003eFuse Class: RK5\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Littelfuse","offers":[{"title":"NEW","offer_id":48471272816889,"sku":"FLNR500","price":128.8,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0750\/7810\/7385\/files\/1280_YMAyGLEDKfg17QIv_30684613-5728-4f71-8028-4b8ca81cd1bd.jpg?v=1780326347","url":"https:\/\/mycircuitbreakers.com\/products\/littelfuse-flnr500-class-rk5-fuse-500a-250v-time-delay-fuse","provider":"My Circuit Breakers","version":"1.0","type":"link"}