{"product_id":"a6d300r","title":"A6D300R - 300Amp Fuse","description":"\u003cp\u003e\u003cstrong\u003eA6D300R - 300Amp Fuse\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eWhen electrical systems are pushed hard every day, dependable circuit protection is not optional. The Mersen A6D300R Amp-Trap 2000® Class RK1 time-delay fuse is designed to help keep your industrial and commercial equipment running safely while protecting valuable electrical components from damaging overloads and short circuits. Rated at 300 amps with both 600VAC and 600VDC capability, this high-performance fuse combines fast fault-clearing protection with the time-delay performance needed to handle temporary motor startup surges without nuisance openings.\u003c\/p\u003e\n\u003cp\u003eBuilt for demanding applications, the A6D300R reacts quickly during severe fault conditions to help reduce damage to your motor starters, switches, contactors, and other sensitive power distribution equipment. At the same time, its time-delay design allows normal motor inrush currents to pass during startup, helping improve uptime and reduce unnecessary maintenance interruptions. This makes it an excellent solution for motor control centers, manufacturing equipment, HVAC systems, pumps, conveyors, and other heavy-duty electrical applications where reliability matters.\u003c\/p\u003e\n\u003cp\u003eConstructed with a durable PolyTube insulating body and tin-plated copper blade terminals, the A6D300R is built to perform in tough operating conditions while maintaining dependable conductivity and long service life. With a high 200 kA interrupting rating, this Class RK1 fuse is ready for applications where strong short-circuit protection is critical.\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\u003e300A Class RK1 time-delay fuse:\u003c\/strong\u003e For industrial and commercial electrical systems.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEquipment protection:\u003c\/strong\u003e Helps protect motors, feeders, branch circuits, and power distribution equipment.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTime-delay design:\u003c\/strong\u003e Reduces nuisance fuse openings during motor startup.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFast-acting current limitation:\u003c\/strong\u003e Under high fault conditions.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIEC Type 2 support:\u003c\/strong\u003e Supports IEC Type 2 “no damage” coordinated protection applications.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSmartSpot® indication:\u003c\/strong\u003e Blown fuse indication for faster maintenance and troubleshooting.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDual-rated performance:\u003c\/strong\u003e Dual-rated for 600VAC and 600VDC systems.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh interrupting capacity:\u003c\/strong\u003e High 200 kA interrupting rating for demanding fault-current environments.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePolyTube construction:\u003c\/strong\u003e Durable PolyTube construction designed for long-term reliability.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTin-plated copper blade terminals:\u003c\/strong\u003e Help improve conductivity and corrosion resistance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReplacement compatibility:\u003c\/strong\u003e Suitable replacement for older Class H, K, and RK5 fuses.\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 A6D300R\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSeries:\u003c\/strong\u003e Amp-Trap 2000® A6D-R\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct Type:\u003c\/strong\u003e Class RK1 Time-Delay Fuse\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAmpere Rating:\u003c\/strong\u003e 300A\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVoltage Rating AC:\u003c\/strong\u003e 600VAC\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVoltage Rating DC:\u003c\/strong\u003e 600VDC\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\u003eFuse Class:\u003c\/strong\u003e RK1\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFuse Characteristic:\u003c\/strong\u003e Time Delay\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\u003eIndication System:\u003c\/strong\u003e SmartSpot®\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConnection 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:\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 Diameter:\u003c\/strong\u003e 65 mm\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct Length:\u003c\/strong\u003e 295.4 mm\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct Weight:\u003c\/strong\u003e 1.4606 kg\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\u003eThe Mersen A6D300R is manufactured for low-voltage UL and CSA applications and is engineered to support IEC Type 2 coordinated protection requirements when properly applied.\u003c\/li\u003e\n\u003cli\u003eIts durable insulating materials and high-quality conductive components are designed to deliver consistent performance in demanding industrial and commercial environments.\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\u003eMotor control centers (MCCs)\u003c\/li\u003e\n\u003cli\u003eIndustrial automation equipment\u003c\/li\u003e\n\u003cli\u003eHVAC systems and compressors\u003c\/li\u003e\n\u003cli\u003eManufacturing and processing facilities\u003c\/li\u003e\n\u003cli\u003ePumps and conveyor systems\u003c\/li\u003e\n\u003cli\u003eCommercial power distribution equipment\u003c\/li\u003e\n\u003cli\u003eFeeders and branch circuits\u003c\/li\u003e\n\u003cli\u003eRetrofit projects replacing older Class H, K, or RK5 fuses\u003c\/li\u003e\n\u003cli\u003eElectrical systems with high available fault currents\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":50459157135659,"sku":"A6D300R","price":0.0,"currency_code":"USD","in_stock":false},{"title":"Refurbished","offer_id":50459157168427,"sku":"A6D300R  [R]","price":0.0,"currency_code":"USD","in_stock":false}],"url":"https:\/\/store.circuitbreakersuperstore.com\/products\/a6d300r","provider":"CIRCUIT BREAKER SUPERSTORE®","version":"1.0","type":"link"}