{"product_id":"klnr090","title":"KLNR090 - 90Amp Fuse","description":"\u003cp\u003e\u003cstrong\u003eKLNR090 - 90Amp Fuse\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe KLNR090 is a 90A Class RK1 fast-acting, current-limiting fuse designed for electrical equipment that calls for this specific combination of amperage, fuse class, voltage capability, and operating characteristic. For the KLNR090 specifically, the physical format is knife-blade, and you install it through a compatible fuse block, clip, or holder. This combination makes the KLNR090 a strong fit when you're replacing a fuse with matching electrical and physical requirements—but don't stop at the 90A marking. Confirm the Class RK1 designation, fast-acting response, AC or DC voltage requirements, interrupting rating, and knife-blade construction against the equipment specifications before making the match.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eKey Features and Benefits\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e90A continuous current rating for equipment designed to use a 90-amp Class RK1 fuse.\u003c\/li\u003e\n\u003cli\u003eFast-acting (F) operation provides fast overload and short-circuit protection.\u003c\/li\u003e\n\u003cli\u003eThe Class RK1 configuration helps narrow compatibility when identifying the correct replacement fuse.\u003c\/li\u003e\n\u003cli\u003eUses the KLNR\/KLSR family's single-element silver-link design.\u003c\/li\u003e\n\u003cli\u003eCurrent-limiting construction reduces equipment damage from the heating and magnetic effects of short-circuit currents.\u003c\/li\u003e\n\u003cli\u003eMaximum 250VAC rating for appropriately rated AC equipment.\u003c\/li\u003e\n\u003cli\u003eKnife-blade construction provides the specified physical format for the KLNR090.\u003c\/li\u003e\n\u003cli\u003eDesigned for mounting in a compatible fuse block, clip, or holder.\u003c\/li\u003e\n\u003cli\u003eNon-indicating fuse with no built-in indicating feature.\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 KLNR090\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer Description:\u003c\/strong\u003e FUS 250V F\/A CLASS RK1 90A\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 90A\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 PG Holder:\u003c\/strong\u003e LFR25100 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 identifies the KLNR090 as a Class RK1 current-limiting fuse and describes the KLNR\/KLSR family as using a single-element silver-link design. The manufacturer also references applications requiring the current-limiting ability 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 KLNR090 90A fuse suits electrical equipment that requires a 90A Class RK1 fast-acting, current-limiting fuse with matching voltage, interrupting, mounting, and physical requirements. The manufacturer specifically identifies variable speed drives, rectifiers, and other equipment containing surge-sensitive components as applications where the KLNR\/KLSR family's fast-acting characteristics can be useful.\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":50459230109995,"sku":"KLNR090","price":0.0,"currency_code":"USD","in_stock":false},{"title":"Refurbished","offer_id":50459230142763,"sku":"KLNR090  [R]","price":0.0,"currency_code":"USD","in_stock":false}],"url":"https:\/\/store.circuitbreakersuperstore.com\/products\/klnr090","provider":"CIRCUIT BREAKER SUPERSTORE®","version":"1.0","type":"link"}