{"product_id":"klnr250","title":"KLNR250 - 250Amp Fuse","description":"\u003cp\u003e\u003cstrong\u003eKLNR250 - 250Amp Fuse\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eWhen your equipment calls for a 250A Class RK1 fast-acting fuse, matching the amperage is only the beginning. The KLNR250 combines a 250A continuous current rating with fast-acting operation and a current-limiting, single-element silver-link design. The KLNR series' fast response makes it particularly relevant for equipment with surge-sensitive components, including variable speed drives and rectifiers. For replacement work, however, check the entire specification—not simply \"250 amp.\" Fuse class, voltage, interrupting rating, fast-acting characteristic, physical format, and mounting compatibility all matter when determining whether KLNR250 is the right match for the equipment.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eKey Features and Benefits\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e250A continuous current rating for equipment designed around a 250-amp Class RK1 fuse.\u003c\/li\u003e\n\u003cli\u003eFast-acting (F) operation provides rapid overload and short-circuit protection.\u003c\/li\u003e\n\u003cli\u003eThe Class RK1 fuse configuration gives you a specific fuse class to match equipment requirements.\u003c\/li\u003e\n\u003cli\u003eBuilt around the KLNR series' single-element silver-link design.\u003c\/li\u003e\n\u003cli\u003eCurrent-limiting design helps reduce equipment damage caused by the heating and magnetic effects of short-circuit currents.\u003c\/li\u003e\n\u003cli\u003eHandles applications rated up to 250VAC.\u003c\/li\u003e\n\u003cli\u003eKnife-blade construction provides the physical configuration specified for this 250A model.\u003c\/li\u003e\n\u003cli\u003eNon-indicating design—KLNR250 does not include an indication feature.\u003c\/li\u003e\n\u003cli\u003eDesigned for installation using a compatible fuse block, clip, or holder.\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\u003eCatalog Number:\u003c\/strong\u003e KLNR250\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer Description:\u003c\/strong\u003e FUS 250V F\/A CLASS RK1 250A\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSeries:\u003c\/strong\u003e KLNR\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct Type:\u003c\/strong\u003e Fast-Acting Current-Limiting Fuse\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 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\u003eAC Interrupting Rating:\u003c\/strong\u003e 200,000A at 250VAC\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDC Interrupting Rating:\u003c\/strong\u003e 20,000A at 125VDC\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOpening Characteristic:\u003c\/strong\u003e Fast-Acting (F)\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\u003eFamily Style:\u003c\/strong\u003e Current Limiting\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eElement Design:\u003c\/strong\u003e Single-element silver link\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConstruction \/ Size:\u003c\/strong\u003e Knife-Blade\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\u003eSpecified Holder Series:\u003c\/strong\u003e LFR25400 Series\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 manufacturer information confirms the KLNR250's Class RK1 designation, current-limiting family style, single-element silver-link design, fast-acting characteristic, electrical ratings, knife-blade construction, and mounting method. The manufacturer also discusses the KLNR\/KLSR series for applications requiring the current-limiting capability of UL Class RK1 fuses.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhere It Works Best\u003c\/strong\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003eThe KLNR250 250A fuse fits electrical equipment specifically designed for a 250A Class RK1 fast-acting, current-limiting fuse with knife-blade construction. The manufacturer specifically identifies variable speed drives, rectifiers, and other equipment containing surge-sensitive components as examples where the fast-acting characteristics of the KLNR\/KLSR series can be useful. For AC applications, confirm that the equipment requirements fall within the 250VAC maximum and 200,000A interrupting rating at 250VAC. For DC service, verify compatibility with the 125VDC maximum and 20,000A interrupting rating at 125VDC.\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":50459230699819,"sku":"KLNR250","price":0.0,"currency_code":"USD","in_stock":false},{"title":"Refurbished","offer_id":50459230732587,"sku":"KLNR250  [R]","price":0.0,"currency_code":"USD","in_stock":false}],"url":"https:\/\/store.circuitbreakersuperstore.com\/products\/klnr250","provider":"CIRCUIT BREAKER SUPERSTORE®","version":"1.0","type":"link"}