{"product_id":"llsrk004-littelfuse-class-rk1-time-delay-fuse-4a-600vac-300vdc","title":"LLSRK004 - Littelfuse Class RK1 Time Delay Fuse 4A 600VAC 300VDC","description":" \t\t\t\t\t\t\t\t\t\t\u003ch2\u003eLLSRK004\u003c\/h2\u003e                                         \u003cbr\u003e \t\t\t\t\t\t\t\t\t\t\u003cb\u003eLLSRK004\u003c\/b\u003e is a Littelfuse POWR-GARD Class RK1 dual-element time-delay fuse designed for superior overload and short-circuit protection in service entrance, main, feeder, and general-purpose branch circuits. This extremely current-limiting cartridge fuse provides IEC Type 2 no-damage protection to motor starters and can be installed in existing Class H fuse blocks to upgrade systems with lower interrupting ratings. \u003cb\u003eLLSRK004\u003c\/b\u003e features a dual-element design that allows temporary overloads while protecting against sustained overcurrents and fault conditions, reducing equipment damage and downtime. The fuse is UL 248-12 certified and meets CSA, QPL-WF-1814, and CE approval standards. \u003cul\u003e\n\u003cli\u003eAmperage Rating: 4 Amps\u003c\/li\u003e\n\u003cli\u003eVoltage Rating: 600 VAC \/ 300 VDC\u003c\/li\u003e\n\u003cli\u003eInterrupting Rating: 200 kA @ 600 VAC \/ 20 kA @ 300 VDC\u003c\/li\u003e\n\u003cli\u003eClass: RK1\u003c\/li\u003e\n\u003cli\u003eType: Time Delay \/ Slo-Blo\u003c\/li\u003e\n\u003cli\u003eBody Style: Cartridge\u003c\/li\u003e\n\u003cli\u003ePhysical Size: 13\/16 inch diameter x 5 inch length\u003c\/li\u003e\n\u003cli\u003eDesign: Dual-Element\u003c\/li\u003e\n\u003cli\u003eProtection Type: Current Limiting\u003c\/li\u003e\n\u003cli\u003eCertifications: UL 248-12, CSA, CE\u003c\/li\u003e\n\u003cli\u003eApplications: Motors, transformers, solenoids, general circuits\u003c\/li\u003e\n\u003c\/ul\u003eAt \u003cb\u003eEssential Parts\u003c\/b\u003e, we offer \u003cb\u003efast shipping\u003c\/b\u003e, \u003cb\u003elowest price\u003c\/b\u003e, and \u003cb\u003eexpert support\u003c\/b\u003e to help you get the right product every time. \t\t\t\t\t\t\t\t\t\t\u003cbr\u003e                                          \t\t\t\t\t\t\t\t\t\t\u003ch3\u003e\u003cb\u003eSpecifications\u003c\/b\u003e\u003c\/h3\u003e \t\t\t\t\t\t\t\t\t\t\u003cul\u003e \t\t\t\t\t\t\t\t\t\t\t\u003cli\u003ePart Number: LLSRK004\u003c\/li\u003e                                             \u003cli\u003eManufacturer : Littelfuse\u003c\/li\u003e\n\u003cli\u003eBrand : Littelfuse\u003c\/li\u003e\n\u003cli\u003eCategory : Fuse\u003c\/li\u003e\n\u003cli\u003eItem Subcategory : Low Voltage Fuse\u003c\/li\u003e\n\u003cli\u003eFamily : LLSRK\u003c\/li\u003e\n\u003cli\u003eType : LLSRK\u003c\/li\u003e\n\u003cli\u003eVoltage : 600\u003c\/li\u003e\n\u003cli\u003eAmperage : 4\u003c\/li\u003e\n\u003cli\u003eAIC rating : 200kA@600V\u003c\/li\u003e\n\u003cli\u003eConnection : Ferrule\u003c\/li\u003e\n\u003cli\u003eDiameter : 0.81\u003c\/li\u003e\n\u003cli\u003eClass Rating : RK1\u003c\/li\u003e\n\u003cli\u003eBarrels : 1\u003c\/li\u003e \t\t\t\t\t\t\t\t\t\t\u003c\/ul\u003e                                         \u003cbr\u003e                                         \u003ch3\u003e\u003cb\u003eProduct Data\u003c\/b\u003e\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eUPC : 07945835053\u003c\/li\u003e\n\u003cli\u003eGTIN : 00079458350531\u003c\/li\u003e\n\u003cli\u003eWeight : 5.19 \u003c\/li\u003e\n\u003c\/ul\u003e                                         \u003cbr\u003e                                          ","brand":"Littelfuse","offers":[{"title":"New","offer_id":45171775013023,"sku":"LLSRK004-New","price":0.0,"currency_code":"USD","in_stock":false},{"title":"Re-Certified","offer_id":45171775045791,"sku":"LLSRK004-ReCert","price":0.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0500\/2349\/7887\/files\/LLSRK004_1_2811d010-53a8-4b05-a613-818a6e1a6592.jpg?v=1729123245","url":"https:\/\/essentialparts.com\/products\/llsrk004-littelfuse-class-rk1-time-delay-fuse-4a-600vac-300vdc","provider":"Essential Electric Supply","version":"1.0","type":"link"}