{"product_id":"a2k450r","title":"A2K450R - 450Amp Fuse","description":"\u003cp\u003e\u003cstrong\u003eA2K450R - 450Amp Fuse\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe Mersen A2K450R Amp-Trap® Class RK1 fuse is built for electrical systems where reliable protection is critical. Designed with a fast-acting response, this 450A fuse helps protect circuits and equipment from short circuits and overloads before damage has a chance to spread. In busy industrial and commercial environments, that quick response can help reduce downtime, protect valuable equipment, and keep your operations moving.\u003c\/p\u003e\n\u003cp\u003eWith a 200kA interrupting rating, the A2K450R is well-suited for systems with high available fault currents. It’s commonly used in branch circuits, feeder circuits, motor control centers, and power distribution equipment where dependable overcurrent protection matters every day. Because it is rated for both 250VAC and 250VDC applications, it can also fit a variety of installation requirements across different electrical systems.\u003c\/p\u003e\n\u003cp\u003eMersen designed this fuse with durable materials that hold up well in demanding conditions. The PolyTube body offers solid insulation and durability, while the tin-plated copper blade terminals provide reliable conductivity and help resist corrosion over time. Its clip-mount configuration allows for secure installation and easier maintenance when you needed a replacement.\u003c\/p\u003e\n\u003cp\u003eFor facilities that depend on consistent electrical performance, the A2K450R delivers the fast protection and reliability professionals look for in a Class RK1 fuse.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eKey Features and Benefits\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eFast-acting Class RK1 fuse designed for quick fault response\u003c\/li\u003e\n\u003cli\u003e450 Amp rating for industrial and commercial electrical systems\u003c\/li\u003e\n\u003cli\u003eHigh 200kA interrupting rating for applications with elevated fault currents\u003c\/li\u003e\n\u003cli\u003eHelps protect equipment from overloads and short circuits\u003c\/li\u003e\n\u003cli\u003eRated for both 250VAC and 250VDC systems\u003c\/li\u003e\n\u003cli\u003eTin-plated copper blade terminals support dependable conductivity\u003c\/li\u003e\n\u003cli\u003ePolyTube body provides durability and insulation protection\u003c\/li\u003e\n\u003cli\u003eSuitable for branch circuits, feeder circuits, and backup protection\u003c\/li\u003e\n\u003cli\u003eClip mounting design for secure installation\u003c\/li\u003e\n\u003cli\u003eHelps reduce equipment damage and maintenance downtime\u003cbr\u003e\u003cstrong\u003e\u003c\/strong\u003e\n\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 Mersen\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCatalog Number:\u003c\/strong\u003e A2K450R\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct Type:\u003c\/strong\u003e Amp-Trap® Fast-Acting 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\u003eAmpere Rating:\u003c\/strong\u003e 450A\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRated Voltage AC:\u003c\/strong\u003e 250VAC\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRated Voltage DC:\u003c\/strong\u003e 250VDC\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFrequency:\u003c\/strong\u003e 50\/60 Hz\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInterrupting Rating:\u003c\/strong\u003e 200 kA\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFuse Characteristic:\u003c\/strong\u003e Fast-Acting\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTerminal Type:\u003c\/strong\u003e Blade\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTerminal Material:\u003c\/strong\u003e Tin-Plated Copper\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMounting Type:\u003c\/strong\u003e Clip\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBody Material:\u003c\/strong\u003e PolyTube\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct Length:\u003c\/strong\u003e 263.7 mm\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct Diameter:\u003c\/strong\u003e 65.1 mm\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct Weight:\u003c\/strong\u003e 1.3331 kg\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUPC:\u003c\/strong\u003e 782001915391\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\u003cul\u003e\n\u003cli\u003eRoHS Compliant\u003c\/li\u003e\n\u003cli\u003eSuitable for UL electrical system applications\u003c\/li\u003e\n\u003cli\u003eDesigned for low-voltage UL\/CSA fuse applications\u003c\/li\u003e\n\u003cli\u003eCompatible with AC and DC circuit protection requirements\u003cbr\u003e\u003cstrong\u003e\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eWhere It Works Best\u003c\/strong\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eThe Mersen A2K450R works well in industrial facilities, commercial buildings, manufacturing equipment, control panels, motor control centers, and electrical distribution systems where fast fault protection is important. It is especially useful in applications with high available short-circuit current levels and systems that require dependable current-limiting protection to help keep equipment operating safely.\u003cbr\u003e\n\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\u003eMersen® is a registered trademark of Mersen S.A. Products sold are surplus, used, or refurbished and are \u003cstrong\u003eNOT \u003c\/strong\u003esupplied by Mersen S.A. or its affiliates.\u003c\/em\u003e\u003c\/p\u003e\n\u003c\/blockquote\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Mersen","offers":[{"title":"New In Box","offer_id":50459147338027,"sku":"A2K450R","price":0.0,"currency_code":"USD","in_stock":false},{"title":"Refurbished","offer_id":50459147370795,"sku":"A2K450R  [R]","price":0.0,"currency_code":"USD","in_stock":false}],"url":"https:\/\/store.circuitbreakersuperstore.com\/products\/a2k450r","provider":"CIRCUIT BREAKER SUPERSTORE®","version":"1.0","type":"link"}