{"product_id":"ktn-r-40","title":"KTN-R-40 - 40Amp Fuse","description":"\u003cp\u003e\u003cstrong\u003eKTN-R-40 - 40Amp Fuse\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eWhen equipment specifications call for a 40A Class RK1 fuse, the details beyond amperage deserve just as much attention. The Eaton Bussmann KTN-R-40 is rated at 40 amps and 250 volts, with a single-element configuration, melamine glass tube, and ferrule-to-ferrule connection. Whether you're checking a replacement during scheduled maintenance or identifying a fuse from an equipment list, matching the catalog number, electrical ratings, fuse class, connection, and dimensions helps remove uncertainty.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eKey Features and Benefits\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e40A amperage rating — an essential specification when matching the fuse to equipment requirements.\u003c\/li\u003e\n\u003cli\u003e250V voltage rating gives technicians another critical value to verify before replacement.\u003c\/li\u003e\n\u003cli\u003eClass RK1 classification clearly identifies the manufacturer's stated fuse class.\u003c\/li\u003e\n\u003cli\u003eSingle-element configuration provides another useful specification for side-by-side product verification.\u003c\/li\u003e\n\u003cli\u003eThe ferrule-to-ferrule connection makes the connection style easy to confirm against the existing installation.\u003c\/li\u003e\n\u003cli\u003eMelamine glass tube construction is the manufacturer-specified material for this model.\u003c\/li\u003e\n\u003cli\u003e70\/30 brass end cap is listed as a special feature.\u003c\/li\u003e\n\u003cli\u003eCheck the non-indicating configuration when matching the characteristics of the fuse being replaced.\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\u003eProduct Name:\u003c\/strong\u003e Eaton Bussmann series KTN-R fuse\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCatalog Number:\u003c\/strong\u003e KTN-R-40\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUPC:\u003c\/strong\u003e 051712407090\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEAN:\u003c\/strong\u003e 5027590446198\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct Type:\u003c\/strong\u003e Fuse\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAmperage Rating:\u003c\/strong\u003e 40 A\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVoltage Rating:\u003c\/strong\u003e 250 V\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eClass:\u003c\/strong\u003e Class RK1\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Melamine glass tube\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNumber of Elements:\u003c\/strong\u003e 1\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConnection:\u003c\/strong\u003e Ferrule end x ferrule end\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFuse Indicator:\u003c\/strong\u003e Non-indicating\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecial Feature:\u003c\/strong\u003e 70\/30 brass end cap\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct Length\/Depth:\u003c\/strong\u003e 3 in\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct Height:\u003c\/strong\u003e 0.81 in\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct Width:\u003c\/strong\u003e 0.81 in\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct Weight:\u003c\/strong\u003e 0.13 lb\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 Eaton Bussmann KTN-R-40 is specified with a melamine glass tube, and its special features include a 70\/30 brass end cap. Manufacturer information lists compliance as: Not Applicable for this catalog number. The supplied specifications include no additional certifications, so we assume none.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhere It Works Best\u003c\/strong\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003eConsider the KTN-R-40 fuse when equipment documentation specifies a 40A, 250V Class RK1 fuse and the remaining physical characteristics match the installation. In particular, confirm the 3-inch length, 0.81-inch height and width, ferrule-to-ferrule connection, single-element configuration, and non-indicating format against the equipment requirements.\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\u003eEaton®, Cutler-Hammer®, Westinghouse®, Challenger®, Bussmann®, Edison®, Edison Fuse®, GTE Sylvania®, Crouse-Hinds®, and Cooper® are registered trademarks of Eaton Corporation plc. Products sold are surplus, used, or refurbished and are \u003cstrong\u003eNOT \u003c\/strong\u003esupplied by Eaton Corporation plc or its affiliates.\u003c\/em\u003e\u003c\/p\u003e\n\u003c\/blockquote\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"EATON","offers":[{"title":"New In Box","offer_id":50459243086123,"sku":"KTN-R-40","price":0.0,"currency_code":"USD","in_stock":false},{"title":"Refurbished","offer_id":50459243118891,"sku":"KTN-R-40  [R]","price":0.0,"currency_code":"USD","in_stock":false}],"url":"https:\/\/store.circuitbreakersuperstore.com\/products\/ktn-r-40","provider":"CIRCUIT BREAKER SUPERSTORE®","version":"1.0","type":"link"}