{"product_id":"tr450r","title":"TR450R - 450 Amp Fuse","description":"\u003cp\u003e\u003cstrong\u003eTR450R - 450 Amp Fuse\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eWhen electrical systems are under heavy demand, dependable circuit protection matters. The TR450R Class R fuse is designed to help keep commercial and industrial equipment protected from damaging overloads and short circuits without causing unnecessary downtime. Rated for 450 amps and built with a time-delay design, this fuse allows temporary startup surges from motors, transformers, and other high-inrush equipment to pass safely while still delivering fast protection when fault conditions occur. Its current-limiting performance helps reduce the destructive energy that can reach connected equipment during a short circuit, protecting valuable electrical components and minimizing costly repairs. The knife-blade style construction provides a secure connection for reliable operation in demanding environments, while the high 200 kA interrupting rating at 250 VAC makes the TR450R a solid choice for systems where fault-current protection is critical. Whether you're maintaining industrial machinery, servicing power distribution equipment, or upgrading protection in a commercial facility, the TR450R fuse delivers the kind of consistent performance professionals rely on every day.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eKey Features and Benefits\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e450 amp rating:\u003c\/strong\u003e For high-capacity industrial and commercial applications.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTime-delay protection:\u003c\/strong\u003e Helps prevent nuisance fuse openings during equipment startup.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCurrent-limiting design:\u003c\/strong\u003e Helps reduce potential equipment damage during fault conditions.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eKnife-blade style construction:\u003c\/strong\u003e Supports secure installation and dependable conductivity.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNon-indicating fuse design:\u003c\/strong\u003e For straightforward replacement and maintenance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e200 kA interrupting rating at 250 VAC:\u003c\/strong\u003e For high fault-current protection.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIdeal applications:\u003c\/strong\u003e Motor circuits, transformers, switchboards, and heavy electrical loads.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompact form factor:\u003c\/strong\u003e Helps fit a variety of electrical system layouts.\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\u003ePart Number:\u003c\/strong\u003e TR450R\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e TR\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFuse Class:\u003c\/strong\u003e Class R\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAmperage:\u003c\/strong\u003e 450A\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVoltage Rating:\u003c\/strong\u003e 250 VAC\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInterrupting Capacity:\u003c\/strong\u003e 200 kA @ 250 VAC\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFuse Style:\u003c\/strong\u003e Knife-Blade\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFunction:\u003c\/strong\u003e Time-Delay, Current-Limiting\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIndication Type:\u003c\/strong\u003e Non-Indicating\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDimensions:\u003c\/strong\u003e\n\u003cul\u003e\n\u003cli\u003eHeight: 10.38 in.\u003c\/li\u003e\n\u003cli\u003eWidth: 2.54 in.\u003c\/li\u003e\n\u003cli\u003eDepth: 2.54 in.\u003c\/li\u003e\n\u003c\/ul\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\u003e\u003cstrong\u003eIndustry Standards:\u003c\/strong\u003e The TR450R fuse is designed for use in commercial and industrial electrical systems that require reliable overcurrent protection. Designed to meet applicable industry standards for Class R current-limiting fuses, it supports safe, dependable operation when properly installed in accordance with local electrical codes and system requirements.\u003cbr\u003e\u003cstrong\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhere It Works Best\u003c\/strong\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003eThe TR450R performs especially well in electrical systems that experience temporary inrush currents during startup. It's commonly used in manufacturing facilities, commercial buildings, HVAC systems, motor control centers, industrial machinery, switchgear, and power distribution equipment where dependable circuit protection is essential. Its time-delay functionality makes it a smart option for protecting motors and transformers without sacrificing responsiveness during fault events.\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\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":50459296399659,"sku":"TR450R","price":0.0,"currency_code":"USD","in_stock":false},{"title":"Refurbished","offer_id":50459296432427,"sku":"TR450R  [R]","price":0.0,"currency_code":"USD","in_stock":false}],"url":"https:\/\/store.circuitbreakersuperstore.com\/products\/tr450r","provider":"CIRCUIT BREAKER SUPERSTORE®","version":"1.0","type":"link"}