{"product_id":"a4by800-mersen-800-amp-600v-ac-300v-dc-class-l-time-delay-current-limiting-fuse-bolt-on-mount-200ka-interrupt-rating-ul-csa-listed","title":"A4BY800 - Mersen 800 Amp 600V AC 300V DC Class L Time Delay Current Limiting Fuse, Bolt-On Mount, 200kA Interrupt Rating, UL\/CSA Listed","description":" \t\t\t\t\t\t\t\t\t\t\u003ch2\u003eA4BY800\u003c\/h2\u003e                                         \u003cbr\u003e \t\t\t\t\t\t\t\t\t\t\u003cp\u003e\u003cb\u003eA4BY800\u003c\/b\u003e is a high-performance Class L time delay current limiting fuse manufactured by Mersen, designed for robust circuit protection in demanding electrical environments.\u003c\/p\u003e\u003cp\u003eThis fuse features an 800 Amp rating, 600V AC and 300V DC voltage capability, and a bolt-on mounting style for secure installation. It offers a 200kA interrupting rating, ensuring reliable protection against high fault currents. The A4BY800 is UL listed to standard 248-10 and CSA certified to C22.2 No. 248.10, with self-certification for DC applications. Its unique physical dimensions prevent accidental substitution with incompatible fuse classes, and the glass melamine body with plated terminals provides durability in harsh conditions.\u003c\/p\u003e\u003cul\u003e\n\u003cb\u003eKey Specifications\u003c\/b\u003e\u003cli\u003eAmperage: 800A\u003c\/li\u003e\n\u003cli\u003eVoltage: 600V AC, 300V DC\u003c\/li\u003e\n\u003cli\u003ePoles: 1\u003c\/li\u003e\n\u003cli\u003eMounting Type: Bolt-On\u003c\/li\u003e\n\u003cli\u003eInterrupt Rating: 200,000A (200kA)\u003c\/li\u003e\n\u003cli\u003eSeries\/Frame: Class L\u003c\/li\u003e\n\u003cli\u003eTrip Unit: Time Delay (4 second)\u003c\/li\u003e\n\u003cli\u003eCertifications: UL 248-10, CSA C22.2 No. 248.10, DC self-certified per UL248\u003c\/li\u003e\n\u003cli\u003eBody Material: Glass Melamine\u003c\/li\u003e\n\u003cli\u003eTerminals: Plated\u003c\/li\u003e\n\u003cli\u003eIndication System: Yes\u003c\/li\u003e\n\u003cli\u003ePhysical Size: 2-1\/2\" x 8-5\/8\"\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eAt \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.\u003c\/p\u003e \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: A4BY800\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 : 800\u003c\/li\u003e\n\u003cli\u003eAIC rating : 200kA@600V\u003c\/li\u003e\n\u003cli\u003eDiameter : 2.5\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 : 782001939113\u003c\/li\u003e\n\u003cli\u003eGTIN : 00782001939113\u003c\/li\u003e\n\u003cli\u003eCountry of Origin : Mexico\u003c\/li\u003e\n\u003cli\u003eDimensions : x 8-5\/8\" x\u003c\/li\u003e\n\u003cli\u003eWeight : 5 \u003c\/li\u003e\n\u003cli\u003eCertification : CSA, UL\u003c\/li\u003e\n\u003c\/ul\u003e                                         \u003cbr\u003e                                          ","brand":"Mersen","offers":[{"title":"New","offer_id":42301396385951,"sku":"A4BY800-New","price":479.55,"currency_code":"USD","in_stock":true},{"title":"Re-Certified","offer_id":42343018692767,"sku":"A4BY800-ReCert","price":293.66,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0500\/2349\/7887\/files\/A4BY800_0.jpg?v=1729680192","url":"https:\/\/essentialparts.com\/products\/a4by800-mersen-800-amp-600v-ac-300v-dc-class-l-time-delay-current-limiting-fuse-bolt-on-mount-200ka-interrupt-rating-ul-csa-listed","provider":"Essential Electric Supply","version":"1.0","type":"link"}