{"product_id":"llnrk004","title":"LLNRK004 - 4Amp Fuse","description":"\u003cp\u003e\u003cstrong\u003eLLNRK004 - 4Amp Fuse\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eWhen you need to replace a fuse, getting the details right matters. The Littelfuse LLNRK004 is a 4-amp, Class RK1 time-delay fuse from the Littelfuse POWR-PRO LLNRK series, designed to protect compatible electrical circuits against overloads and short circuits. With a maximum voltage rating of 250VAC or 125VDC, it combines Slo-Blo time-delay operation with defined interrupting ratings for electrical systems that require dependable overcurrent protection.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eKey Features and Benefits\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e4A continuous current rating: Provides overcurrent protection for compatible circuits requiring a 4-amp fuse.\u003c\/li\u003e\n\u003cli\u003eClass RK1 fuse design: Meets the fuse-class requirements of applications specified for Class RK1 protection.\u003c\/li\u003e\n\u003cli\u003eAC and DC voltage ratings: Rated for applications up to 250VAC or 125VDC, provided the circuit meets the applicable electrical and interrupting requirements.\u003c\/li\u003e\n\u003cli\u003eNon-indicating construction: Identified by the manufacturer as a non-indicating fuse.\u003c\/li\u003e\n\u003cli\u003eCompatible mounting options: Designed for installation in suitable fuse blocks, clips, and holders.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eTechnical Specifications\u003c\/strong\u003e\u003cstrong\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer:\u003c\/strong\u003e Littelfuse\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCatalog Number:\u003c\/strong\u003e LLNRK004\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSeries:\u003c\/strong\u003e LLNRK\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct Family:\u003c\/strong\u003e POWR-PRO\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct Type:\u003c\/strong\u003e Time-Delay Fuse\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFuse Class:\u003c\/strong\u003e Class RK1\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eContinuous Current Rating:\u003c\/strong\u003e 4A\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaximum AC Voltage:\u003c\/strong\u003e 250VAC\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaximum DC Voltage:\u003c\/strong\u003e 125VDC\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStandard AC Interrupting Rating:\u003c\/strong\u003e 200,000A (200 kA) RMS symmetrical at 250VAC\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAdditional AC Interrupting Rating:\u003c\/strong\u003e 300,000A (300 kA) RMS symmetrical at 250VAC, self-certified by Littelfuse\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDC Interrupting Rating:\u003c\/strong\u003e 20,000A (20 kA) at 125VDC, self-certified by Littelfuse\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOpening Characteristic:\u003c\/strong\u003e Slow-Blow \/ Time Lag (T) \/ Time Delay\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIndicating:\u003c\/strong\u003e No\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMounting Method:\u003c\/strong\u003e Fuse Block \/ Clip \/ Holder\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer-Referenced Holder Series:\u003c\/strong\u003e LFR25030\u003cbr\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eMaterial Compliance and Certifications\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eLittelfuse's LLNRK\/LLSRK series documentation identifies the following approvals and ratings:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eUL Listed: Manufacturer series documentation references UL File E81895.\u003c\/li\u003e\n\u003cli\u003eCSA Certified: Manufacturer series documentation references CSA File LR29862.\u003c\/li\u003e\n\u003cli\u003eAC Interrupting Rating: 200 kA RMS symmetrical at 250VAC, with an additional 300 kA rating self-certified by Littelfuse.\u003c\/li\u003e\n\u003cli\u003eDC Interrupting Rating: 20 kA at 125VDC, self-certified by Littelfuse.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eWhere It Works Most\u003c\/strong\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003eThe Littelfuse LLNRK004 4A fuse is intended for electrical applications requiring Class RK1 time-delay overcurrent protection. Littelfuse identifies the LLNRK series for use in compatible service entrance, main, feeder, and general-purpose branch circuits.\u003cbr\u003e\u003c\/p\u003e\n\u003cdiv\u003e\n\u003cbr\u003e\n\u003cdiv\u003e\n\u003cblockquote\u003e\n\u003cp style=\"font-size: 12px;\"\u003e\u003cem\u003eUse of Original Equipment Manufacturer (OEM) trademarks, names, and logos is for informational and identification purposes only. This does not imply any affiliation, sponsorship, endorsement, or approval by the original equipment manufacturer.\u003cstrong\u003e CIRCUIT BREAKER SUPERSTORE®\u003c\/strong\u003e is an independent reseller and is \u003cstrong\u003enot \u003c\/strong\u003ean authorized distributor, affiliate, or representative of any manufacturer. Manufacturer warranties do \u003cstrong\u003enot\u003c\/strong\u003e apply unless expressly stated. All trademarks and registered trademarks are the property of their respective owners.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp style=\"font-size: 12px;\"\u003e\u003cem\u003eLittelfuse® is a registered trademark of Littelfuse, Inc. Products sold are surplus, used, or refurbished and are \u003cstrong\u003eNOT \u003c\/strong\u003esupplied by Littelfuse, Inc. or its affiliates.\u003c\/em\u003e\u003c\/p\u003e\n\u003c\/blockquote\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Littelfuse","offers":[{"title":"New In Box","offer_id":50459262452011,"sku":"LLNRK004","price":0.0,"currency_code":"USD","in_stock":false},{"title":"Refurbished","offer_id":50459262484779,"sku":"LLNRK004  [R]","price":0.0,"currency_code":"USD","in_stock":false}],"url":"https:\/\/store.circuitbreakersuperstore.com\/products\/llnrk004","provider":"CIRCUIT BREAKER SUPERSTORE®","version":"1.0","type":"link"}