{"product_id":"llsrk250id","title":"LLSRK250ID - 250Amp Fuse","description":"\u003cp\u003e\u003cstrong\u003eLLSRK250ID - 250Amp Fuse\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eWhen equipment shuts down, finding the problem is usually the first challenge. If a fuse has opened, you want to know which one without spending extra time checking every fuse in the panel.\u003c\/p\u003e\n\u003cp\u003eThe Littelfuse LLSRK250ID helps make that job easier. It's a 250-amp Class RK1 time-delay fuse with a built-in indicator window that darkens when the fuse opens. That gives maintenance technicians a quick visual clue about where to start troubleshooting.\u003c\/p\u003e\n\u003cp\u003ePart of the Littelfuse POWR-PRO LLSRK_ID series, this fuse is rated for 600V AC and 300V DC applications. It also uses precision-formed short-circuit elements and a solid-state overload section with no moving parts.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eKey Features and Benefits\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eBlown-fuse indication you can actually see.\u003c\/li\u003e\n\u003cli\u003e250A Class RK1 protection.\u003c\/li\u003e\n\u003cli\u003eTime-delay performance.\u003c\/li\u003e\n\u003cli\u003eFewer nuisance openings.\u003c\/li\u003e\n\u003cli\u003eCurrent-limiting design.\u003c\/li\u003e\n\u003cli\u003eNo moving parts in the overload section.\u003c\/li\u003e\n\u003cli\u003ePractical knife-blade construction.\u003c\/li\u003e\n\u003cli\u003eUseful across different applications.\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 LLSRK250ID\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSeries:\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\u003eFuse Class:\u003c\/strong\u003e Class RK1\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eContinuous Current Rating:\u003c\/strong\u003e 250A\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\u003eTerminal Style:\u003c\/strong\u003e Knife-Blade\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIndicating Fuse:\u003c\/strong\u003e Yes\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 AC Interrupting Rating:\u003c\/strong\u003e 300,000A at 600V AC, subject to manufacturer rating conditions\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\u003eAssociated Holder Series:\u003c\/strong\u003e LFR60400 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 supplied product data did not include specific UL and CSA certification details, RoHS and REACH declarations, or material composition information. If your project requires those details, they should be confirmed against current Littelfuse documentation for this exact catalog number.\u003c\/p\u003e\n\u003cp\u003eBefore installation, verify that the fuse meets the circuit's voltage, current, available fault current, and equipment requirements—the correct fuse class and holder compatibility matter as much as the amp rating.\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 Motor Circuits\u003c\/li\u003e\n\u003cli\u003eManufacturing Equipment\u003c\/li\u003e\n\u003cli\u003eIndustrial Control Panels\u003c\/li\u003e\n\u003cli\u003eCommercial and Industrial Electrical Systems\u003c\/li\u003e\n\u003cli\u003eFacilities With Demanding Maintenance Schedules\u003c\/li\u003e\n\u003cli\u003eCompatible Fuse Blocks 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":50459267596587,"sku":"LLSRK250ID","price":0.0,"currency_code":"USD","in_stock":false},{"title":"Refurbished","offer_id":50459267629355,"sku":"LLSRK250ID  [R]","price":0.0,"currency_code":"USD","in_stock":false}],"url":"https:\/\/store.circuitbreakersuperstore.com\/products\/llsrk250id","provider":"CIRCUIT BREAKER SUPERSTORE®","version":"1.0","type":"link"}