{"product_id":"llsrk040id","title":"LLSRK040ID - 40Amp Fuse","description":"\u003cp\u003e\u003cstrong\u003eLLSRK040ID - 40Amp Fuse\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eWhen a fuse opens, the last thing a maintenance technician wants is to spend valuable time figuring out which one caused the interruption. That's where the Littelfuse LLSRK040ID 40 Amp Class RK1 time-delay indicating fuse makes a difference. Built for industrial and commercial electrical systems, this Powr-Pro fuse combines effective overcurrent protection with a convenient visual indicator that helps maintenance teams identify an opened fuse without unnecessary guesswork.\u003c\/p\u003e\n\u003cp\u003eWhether you're maintaining industrial machinery, protecting electrical control equipment, or working with commercial power systems, the Littelfuse LLSRK040ID 40A indicating fuse offers a useful balance of protection and convenience. It handles an important job behind the scenes while making life a little easier when electrical problems arise.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eKey Features and Benefits\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e40 Amp Continuous Current Rating\u003c\/li\u003e\n\u003cli\u003e600V AC \/ 300V DC Voltage Ratings\u003c\/li\u003e\n\u003cli\u003eClass RK1 Current-Limiting Protection\u003c\/li\u003e\n\u003cli\u003ePatented Indicator™ Technology\u003c\/li\u003e\n\u003cli\u003eDarkening Blown-Fuse Indicator Window\u003c\/li\u003e\n\u003cli\u003eTime-Delay (Slo-Blo) Performance\u003c\/li\u003e\n\u003cli\u003eHigh Interrupting Capacity\u003c\/li\u003e\n\u003cli\u003ePrecision-Formed Short-Circuit Elements\u003c\/li\u003e\n\u003cli\u003eSolid-State Overload Section\u003c\/li\u003e\n\u003cli\u003eNo Moving Parts in the Overload Section\u003c\/li\u003e\n\u003cli\u003eReduced Nuisance Openings\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 LLSRK040ID\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct Series:\u003c\/strong\u003e LLSRK_ID\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct Family:\u003c\/strong\u003e Powr-Pro Fuse\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct Type:\u003c\/strong\u003e Time-Delay Indicating 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 40 Amps\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaximum AC Voltage:\u003c\/strong\u003e 600V AC\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaximum DC Voltage:\u003c\/strong\u003e 300V DC\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOpening Characteristic:\u003c\/strong\u003e Slo-Blo \/ Time Lag (T) \/ Time Delay\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIndicating Feature:\u003c\/strong\u003e Yes\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIndicator Operation:\u003c\/strong\u003e Window Darkens When Fuse Opens\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFuse Size \/ Style:\u003c\/strong\u003e Industrial Cartridge\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAC Interrupting Rating:\u003c\/strong\u003e 200,000A at 600V AC\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAdditional Manufacturer-Published AC Interrupting Value:\u003c\/strong\u003e 300,000A at 600V AC\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDC Interrupting Rating:\u003c\/strong\u003e 20,000A at 300V DC\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-Listed Holder Series:\u003c\/strong\u003e LFR60060 Series\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShort-Circuit Elements:\u003c\/strong\u003e Precision-Formed\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOverload Section:\u003c\/strong\u003e Solid-State, No Moving Parts\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\u003eThe Littelfuse LLSRK040ID is part of the Powr-Pro LLSRK_ID series, a line of Class RK1 current-limiting fuses designed to protect electrical circuits against overloads and short circuits. Its precision-formed short-circuit elements and solid-state overload section are engineered to support reliable performance in demanding electrical applications.\u003c\/p\u003e\n\u003cp\u003eThe manufacturer lists two AC interrupting values. Do not treat these as interchangeable certified ratings without confirming their respective test or certification basis.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhere It Works Best\u003c\/strong\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eIndustrial Machinery\u003c\/li\u003e\n\u003cli\u003eMotor Control Circuits\u003c\/li\u003e\n\u003cli\u003eElectrical Control Panels\u003c\/li\u003e\n\u003cli\u003eManufacturing Equipment\u003c\/li\u003e\n\u003cli\u003eMotor-Driven Equipment\u003c\/li\u003e\n\u003cli\u003eCircuits With Temporary Startup Surges\u003c\/li\u003e\n\u003cli\u003eIndustrial Electrical Distribution Systems\u003c\/li\u003e\n\u003cli\u003eMaintenance-Intensive Facilities\u003c\/li\u003e\n\u003cli\u003eEquipment Protection Applications\u003c\/li\u003e\n\u003cli\u003eCompatible Class RK1 Fuse Blocks\u003c\/li\u003e\n\u003cli\u003eCompatible Fuse Clips and Holders\u003c\/li\u003e\n\u003c\/ul\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":50459266548011,"sku":"LLSRK040ID","price":0.0,"currency_code":"USD","in_stock":false},{"title":"Refurbished","offer_id":50459266580779,"sku":"LLSRK040ID  [R]","price":0.0,"currency_code":"USD","in_stock":false}],"url":"https:\/\/store.circuitbreakersuperstore.com\/products\/llsrk040id","provider":"CIRCUIT BREAKER SUPERSTORE®","version":"1.0","type":"link"}