{"product_id":"a4by400-mersen-400a-600vac-class-l-time-delay-fuse-2-x-8-5-8-blade-amp-trap-200kaic","title":"A4BY400 - Mersen 400A 600VAC Class L Time-Delay Fuse, 2\" x 8-5\/8\", Blade Amp-Trap, 200kAIC","description":" \t\t\t\t\t\t\t\t\t\t\u003ch2\u003eA4BY400\u003c\/h2\u003e                                         \u003cbr\u003e \t\t\t\t\t\t\t\t\t\t\u003cb\u003eA4BY400\u003c\/b\u003e is a 400A, 600VAC Class L time-delay fuse designed for reliable protection in service entrance, feeder, and circuit breaker applications. This Mersen Amp-Trap® fuse features a 4-second minimum time delay, current limiting design, and blade-stamped catalog number for permanent identification. Its glass melamine body and plated terminals ensure durability in harsh environments. The A4BY400 is UL Class L rated, with a 200,000A AC interrupting rating and 100,000A DC interrupting rating. Unique dimensions prevent replacement by other fuse classes, and the device is 100% rated for continuous current up to its ampere rating. It is UL listed to standard 248-10 and CSA certified to C22.2 No. 248.10. \u003cul\u003e \u003cli\u003ePart Number: A4BY400\u003c\/li\u003e \u003cli\u003eManufacturer: Mersen\u003c\/li\u003e \u003cli\u003eAmperage Rating: 400A\u003c\/li\u003e \u003cli\u003eAC Voltage Rating: 600V\u003c\/li\u003e \u003cli\u003eDC Voltage Rating: 300V\u003c\/li\u003e \u003cli\u003eInterrupting Rating: 200,000A AC, 100,000A DC\u003c\/li\u003e \u003cli\u003eFuse Class: UL Class L\u003c\/li\u003e \u003cli\u003eTime Delay: 4-second minimum at 500% rating\u003c\/li\u003e \u003cli\u003ePhysical Size: 2\" x 8-5\/8\"\u003c\/li\u003e \u003cli\u003eMounting Type: Blade\u003c\/li\u003e \u003cli\u003eCertifications: UL 248-10, CSA C22.2 No. 248.10\u003c\/li\u003e \u003cli\u003eApplications: Mains, Feeders, Circuit Breakers, Load Centers, Panelboards, Switchboards, Metering Centers\u003c\/li\u003e \u003c\/ul\u003e At \u003cb\u003eEssential Parts\u003c\/b\u003e, we offer \u003cb\u003efast shipping\u003c\/b\u003e, \u003cb\u003elowest price\u003c\/b\u003e, and \u003cb\u003eexpert support\u003c\/b\u003e to help you get the right product every time. \t\t\t\t\t\t\t\t\t\t\u003cbr\u003e                                          \t\t\t\t\t\t\t\t\t\t\u003ch3\u003e\u003cb\u003eSpecifications\u003c\/b\u003e\u003c\/h3\u003e \t\t\t\t\t\t\t\t\t\t\u003cul\u003e \t\t\t\t\t\t\t\t\t\t\t\u003cli\u003ePart Number: A4BY400\u003c\/li\u003e                                             \u003cli\u003eManufacturer : Mersen\u003c\/li\u003e\n\u003cli\u003eBrand : Mersen\u003c\/li\u003e\n\u003cli\u003eCategory : Fuse\u003c\/li\u003e\n\u003cli\u003eItem Subcategory : Low Voltage Fuse\u003c\/li\u003e\n\u003cli\u003eFamily : AKR Series\u003c\/li\u003e\n\u003cli\u003eType : A4BY\u003c\/li\u003e\n\u003cli\u003eVoltage : 600\u003c\/li\u003e\n\u003cli\u003eAmperage : 400\u003c\/li\u003e\n\u003cli\u003eAIC rating : 200kA@600V\u003c\/li\u003e\n\u003cli\u003eDiameter : 2\u003c\/li\u003e\n\u003cli\u003eClass Rating : L\u003c\/li\u003e\n\u003cli\u003eBarrels : 1\u003c\/li\u003e \t\t\t\t\t\t\t\t\t\t\u003c\/ul\u003e                                         \u003cbr\u003e                                         \u003ch3\u003e\u003cb\u003eProduct Data\u003c\/b\u003e\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eUPC : 782001939045\u003c\/li\u003e\n\u003cli\u003eGTIN : 00782001939045\u003c\/li\u003e\n\u003cli\u003eWeight : 3 \u003c\/li\u003e\n\u003c\/ul\u003e                                         \u003cbr\u003e                                          ","brand":"Mersen","offers":[{"title":"New","offer_id":42301396025503,"sku":"A4BY400-New","price":488.75,"currency_code":"USD","in_stock":true},{"title":"Re-Certified","offer_id":42342953189535,"sku":"A4BY400-ReCert","price":0.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0500\/2349\/7887\/files\/A4BY400_0.jpg?v=1724975739","url":"https:\/\/essentialparts.com\/products\/a4by400-mersen-400a-600vac-class-l-time-delay-fuse-2-x-8-5-8-blade-amp-trap-200kaic","provider":"Essential Electric Supply","version":"1.0","type":"link"}