{"product_id":"a2d400r","title":"A2D400R - 400 Amp Fuse","description":"\u003cp\u003e\u003cstrong\u003eA2D400R - 400 Amp Fuse\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe Mersen A2D400R Amp-Trap 2000® fuse is built for your electrical systems that need dependable protection without sacrificing performance. Designed for industrial and commercial applications, this 400A Class RK1 time-delay fuse helps protect motors, feeders, branch circuits, and other critical equipment from damaging overloads and short circuits. Its time-delay design allows motors and other equipment to handle normal startup surges without unnecessary fuse openings, while still reacting fast during serious fault conditions.\u003c\/p\u003e\n\u003cp\u003eThe fuse features a durable PolyTube body and tin-plated copper blade terminals for reliable conductivity and long service life. Whether you're installing it in a manufacturing facility, HVAC system, motor control center, or commercial distribution panel, the A2D400R delivers the level of protection electrical professionals expect from the Mersen Amp-Trap 2000® series.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eKey Features and Benefits\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e400A Class RK1 time-delay fuse for industrial and commercial applications\u003c\/li\u003e\n\u003cli\u003eHelps protect motors, feeders, and branch circuits from overloads and short circuits\u003c\/li\u003e\n\u003cli\u003eTime-delay performance helps prevent nuisance openings during motor startup\u003c\/li\u003e\n\u003cli\u003e250VAC and 250VDC rated for AC and DC systems\u003c\/li\u003e\n\u003cli\u003eHigh 200 kA interrupting rating for advanced fault protection\u003c\/li\u003e\n\u003cli\u003eSmartSpot® indication system allows quick visual fuse status identification\u003c\/li\u003e\n\u003cli\u003eCompatible replacement for older Class H, K, and RK5 fuses\u003c\/li\u003e\n\u003cli\u003eTin-plated copper blade terminals provide dependable electrical connections\u003c\/li\u003e\n\u003cli\u003eDurable PolyTube construction designed for long-term performance\u003c\/li\u003e\n\u003cli\u003eSuitable for systems where reliability and reduced downtime are important\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 A2D400R\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct Series:\u003c\/strong\u003e A2D-R \/ Amp-Trap 2000®\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\u003eFuse Type:\u003c\/strong\u003e Time-Delay\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAmpere Rating:\u003c\/strong\u003e 400A\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVoltage Rating AC:\u003c\/strong\u003e 250VAC\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVoltage Rating 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\u003eIndication Type:\u003c\/strong\u003e SmartSpot®\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\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\u003eBody Material:\u003c\/strong\u003e PolyTube\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct Length:\u003c\/strong\u003e 219.2 mm\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct Diameter:\u003c\/strong\u003e 52.3 mm\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct Weight:\u003c\/strong\u003e 0.7439 kg\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompliance:\u003c\/strong\u003e RoHS Compliant\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 A2D400R fuse is RoHS compliant and designed for use in UL and CSA low-voltage fuse applications. It meets the performance standards required for reliable circuit protection in industrial and commercial electrical systems.\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\u003cp\u003eThe A2D400R fuse works well in applications that require dependable overcurrent protection along with the ability to handle temporary startup currents from motors and heavy equipment.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eCommon applications include:\u003c\/li\u003e\n\u003cli\u003eMotor control centers\u003c\/li\u003e\n\u003cli\u003eManufacturing equipment\u003c\/li\u003e\n\u003cli\u003eHVAC systems and compressors\u003c\/li\u003e\n\u003cli\u003eCommercial electrical distribution panels\u003c\/li\u003e\n\u003cli\u003eFeeders and branch circuits\u003c\/li\u003e\n\u003cli\u003ePump control systems\u003c\/li\u003e\n\u003cli\u003eConveyor systems\u003c\/li\u003e\n\u003cli\u003eIndustrial automation equipment\u003c\/li\u003e\n\u003cli\u003eRetrofit projects replacing Class H, K, or RK5 fuses\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":50459144519979,"sku":"A2D400R","price":0.0,"currency_code":"USD","in_stock":false},{"title":"Refurbished","offer_id":50459144552747,"sku":"A2D400R  [R]","price":0.0,"currency_code":"USD","in_stock":false}],"url":"https:\/\/store.circuitbreakersuperstore.com\/products\/a2d400r","provider":"CIRCUIT BREAKER SUPERSTORE®","version":"1.0","type":"link"}