{"product_id":"littelfuse-flsr400-class-rk5-fuse-400a-600v-time-delay-fuse","title":"Littelfuse FLSR400 Class RK5 Fuse – 400A – 600V Time-Delay Fuse","description":"\u003cp data-start=\"90\" data-end=\"588\"\u003eThe Littelfuse FLSR400 is a 400 Amp Class RK5 dual-element time-delay fuse designed for industrial and commercial electrical distribution systems. Part of the FLSR series, this knife-blade fuse provides dependable overload and short-circuit protection for motors, transformers, feeders, and other power distribution equipment. Its dual-element construction allows temporary motor starting and transformer inrush currents to pass without nuisance opening while maintaining reliable fault protection.\u003c\/p\u003e\n\u003ch3 data-section-id=\"1judnlb\" data-start=\"595\" data-end=\"616\"\u003eElectrical Rating\u003c\/h3\u003e\n\u003cul data-start=\"617\" data-end=\"775\"\u003e\n\u003cli data-section-id=\"1oth10n\" data-start=\"617\" data-end=\"645\"\u003eCurrent Rating: 400 Amps\u003c\/li\u003e\n\u003cli data-section-id=\"1s2lsbc\" data-start=\"646\" data-end=\"677\"\u003eMaximum AC Voltage: 600 VAC\u003c\/li\u003e\n\u003cli data-section-id=\"3p3ayl\" data-start=\"678\" data-end=\"709\"\u003eMaximum DC Voltage: 300 VDC\u003c\/li\u003e\n\u003cli data-section-id=\"3fy0ud\" data-start=\"710\" data-end=\"775\"\u003eInterrupting Rating:\n\u003cul data-start=\"737\" data-end=\"775\"\u003e\n\u003cli data-section-id=\"5nvs4y\" data-start=\"737\" data-end=\"750\"\u003e200 kA AC\u003c\/li\u003e\n\u003cli data-section-id=\"1fmwdnp\" data-start=\"753\" data-end=\"775\"\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=\"782\" data-end=\"804\"\u003eKey Specifications\u003c\/h3\u003e\n\u003cul data-start=\"805\" data-end=\"991\"\u003e\n\u003cli data-section-id=\"15ezalo\" data-start=\"805\" data-end=\"833\"\u003eManufacturer: Littelfuse\u003c\/li\u003e\n\u003cli data-section-id=\"1g26p0d\" data-start=\"834\" data-end=\"861\"\u003eCatalog Number: FLSR400\u003c\/li\u003e\n\u003cli data-section-id=\"3zw0ma\" data-start=\"862\" data-end=\"878\"\u003eSeries: FLSR\u003c\/li\u003e\n\u003cli data-section-id=\"rsvtqt\" data-start=\"879\" data-end=\"898\"\u003eFuse Class: RK5\u003c\/li\u003e\n\u003cli data-section-id=\"soa6gr\" data-start=\"899\" data-end=\"933\"\u003eConstruction Type: Knife-Blade\u003c\/li\u003e\n\u003cli data-section-id=\"jo8dmo\" data-start=\"934\" data-end=\"972\"\u003eFuse Type: Dual Element Time-Delay\u003c\/li\u003e\n\u003cli data-section-id=\"q4hlgv\" data-start=\"973\" data-end=\"991\"\u003eIndicating: No\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-section-id=\"krhh0r\" data-start=\"998\" data-end=\"1028\"\u003eProtection Characteristics\u003c\/h3\u003e\n\u003cul data-start=\"1029\" data-end=\"1288\"\u003e\n\u003cli data-section-id=\"10on5wt\" data-start=\"1029\" data-end=\"1065\"\u003eTime-delay (slow-blow) operation\u003c\/li\u003e\n\u003cli data-section-id=\"19w665b\" data-start=\"1066\" data-end=\"1100\"\u003eDual-element fuse construction\u003c\/li\u003e\n\u003cli data-section-id=\"1608z5w\" data-start=\"1101\" data-end=\"1151\"\u003eProvides overload and short-circuit protection\u003c\/li\u003e\n\u003cli data-section-id=\"9lbwpg\" data-start=\"1152\" data-end=\"1215\"\u003eAccommodates motor starting and transformer inrush currents\u003c\/li\u003e\n\u003cli data-section-id=\"c2lga\" data-start=\"1216\" data-end=\"1288\"\u003eHigh interrupting capacity for industrial power distribution systems\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-section-id=\"xldzoc\" data-start=\"1295\" data-end=\"1320\"\u003eConstruction Features\u003c\/h3\u003e\n\u003cul data-start=\"1321\" data-end=\"1498\"\u003e\n\u003cli data-section-id=\"cgsz4i\" data-start=\"1321\" data-end=\"1352\"\u003eKnife-blade terminal design\u003c\/li\u003e\n\u003cli data-section-id=\"1lrgeqr\" data-start=\"1353\" data-end=\"1390\"\u003eNon-indicating fuse configuration\u003c\/li\u003e\n\u003cli data-section-id=\"jvmmae\" data-start=\"1391\" data-end=\"1450\"\u003eIndustrial-duty construction for demanding applications\u003c\/li\u003e\n\u003cli data-section-id=\"1s5hpl\" data-start=\"1451\" data-end=\"1498\"\u003eDesigned for reliable long-term performance\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-section-id=\"1dp59sz\" data-start=\"1505\" data-end=\"1533\"\u003eMounting \u0026amp; Compatibility\u003c\/h3\u003e\n\u003cul data-start=\"1534\" data-end=\"1754\"\u003e\n\u003cli data-section-id=\"1yglfdu\" data-start=\"1534\" data-end=\"1581\"\u003eMounting Method: Fuse Block \/ Clip \/ Holder\u003c\/li\u003e\n\u003cli data-section-id=\"1au6kun\" data-start=\"1582\" data-end=\"1649\"\u003eCompatible with standard Class RK5 fuse holders and fuse blocks\u003c\/li\u003e\n\u003cli data-section-id=\"18r6j0i\" data-start=\"1650\" data-end=\"1754\"\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=\"1761\" data-end=\"1777\"\u003eApplications\u003c\/h3\u003e\n\u003cul data-start=\"1778\" data-end=\"1967\"\u003e\n\u003cli data-section-id=\"fz1udj\" data-start=\"1778\" data-end=\"1813\"\u003eMotor branch circuit protection\u003c\/li\u003e\n\u003cli data-section-id=\"fknz5c\" data-start=\"1814\" data-end=\"1840\"\u003eTransformer protection\u003c\/li\u003e\n\u003cli data-section-id=\"gsgjc0\" data-start=\"1841\" data-end=\"1879\"\u003eIndustrial machinery and equipment\u003c\/li\u003e\n\u003cli data-section-id=\"1b02wdy\" data-start=\"1880\" data-end=\"1926\"\u003eCommercial electrical distribution systems\u003c\/li\u003e\n\u003cli data-section-id=\"14gqy7m\" data-start=\"1927\" data-end=\"1967\"\u003eFeeder and branch circuit protection\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-section-id=\"1aljov1\" data-start=\"1974\" data-end=\"1990\"\u003eProduct Data\u003c\/h3\u003e\n\u003cul data-start=\"1991\" data-end=\"2118\"\u003e\n\u003cli data-section-id=\"15ezalo\" data-start=\"1991\" data-end=\"2019\"\u003eManufacturer: Littelfuse\u003c\/li\u003e\n\u003cli data-section-id=\"1g26p0d\" data-start=\"2020\" data-end=\"2047\"\u003eCatalog Number: FLSR400\u003c\/li\u003e\n\u003cli data-section-id=\"6027wp\" data-start=\"2048\" data-end=\"2081\"\u003eProduct Type: Time-Delay Fuse\u003c\/li\u003e\n\u003cli data-section-id=\"3zw0ma\" data-start=\"2082\" data-end=\"2098\"\u003eSeries: FLSR\u003c\/li\u003e\n\u003cli data-section-id=\"rsvtqt\" data-start=\"2099\" data-end=\"2118\"\u003eFuse Class: RK5\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Littelfuse","offers":[{"title":"NEW","offer_id":48471742447865,"sku":"FLSR400","price":134.4,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0750\/7810\/7385\/files\/1280_gASNT7sy5hJ14AWL_3ec4bd97-b7bf-4490-91a5-51cc0f287cbd.jpg?v=1780344651","url":"https:\/\/mycircuitbreakers.com\/products\/littelfuse-flsr400-class-rk5-fuse-400a-600v-time-delay-fuse","provider":"My Circuit Breakers","version":"1.0","type":"link"}