{"product_id":"a4by1350","title":"A4BY1350 - 1350Amp Fuse","description":"\u003cp\u003e\u003cstrong\u003eA4BY1350 - 1350Amp Fuse\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe Mersen A4BY1350 Amp-Trap® Class L Time-Delay Fuse is engineered to provide dependable overcurrent protection for your high-capacity electrical distribution systems operating in demanding commercial and industrial environments. Rated at 1350 amps with a 600VAC and 300VDC capacity, this fuse is specifically designed to help you protect service entrance equipment, feeder circuits, and circuit breakers from damaging overloads and short circuits. Its time-delay characteristic allows temporary inrush currents and motor startup surges to pass without nuisance opening, making it an excellent choice for systems that require both reliability and selective coordination.\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\u003e1350 Amp Current Rating –\u003c\/strong\u003e Designed for high-capacity power distribution and heavy-duty electrical systems.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTime-Delay Protection –\u003c\/strong\u003e A minimum 4-second delay at 500% rating helps accommodate harmless startup and inrush currents.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eClass L Fuse Design –\u003c\/strong\u003e Ideal for protecting service entrance equipment, feeder circuits, and large circuit breakers.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e600VAC \/ 300VDC Rated – \u003c\/strong\u003eSuitable for both AC and DC applications in industrial and commercial settings.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e200 kA Interrupting Rating –\u003c\/strong\u003e Provides high fault-clearing capability for enhanced system protection.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e100% Rated Device – \u003c\/strong\u003eCan continuously operate up to its full ampere rating without derating concerns.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSilver-Plated Copper Blade Terminals – \u003c\/strong\u003ePromotes strong conductivity and reliable electrical connections.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBolted Mounting Configuration – \u003c\/strong\u003eHelps ensure secure installation in high-current applications.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSelective Coordination Support –\u003c\/strong\u003e Coordinates effectively with ground fault relays and downstream protective devices.\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\u003eA4BY1350\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct Type: \u003c\/strong\u003eClass L Time-Delay Fuse\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSeries:\u003c\/strong\u003e A4BY Amp-Trap®\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAmpere Rating:\u003c\/strong\u003e 1350A\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVoltage Rating AC: \u003c\/strong\u003e600VAC\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVoltage Rating DC:\u003c\/strong\u003e 300VDC\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFrequency: \u003c\/strong\u003e50\/60 Hz\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFuse Class: \u003c\/strong\u003eClass L\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFuse Characteristic: \u003c\/strong\u003eTime Delay\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInterrupting Rating:\u003c\/strong\u003e 200 kA AC\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTerminal Type: \u003c\/strong\u003eBlade\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTerminal Material: \u003c\/strong\u003eSilver-Plated Copper\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMounting Type: \u003c\/strong\u003eBolted\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBody Material:\u003c\/strong\u003e GMG\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct Length:\u003c\/strong\u003e 273 mm\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct Diameter: \u003c\/strong\u003e76.2 mm\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct Weight: \u003c\/strong\u003e2.7079 kg\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUPC:\u003c\/strong\u003e 782001939342\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 A4BY1350 fuse is manufactured for low-voltage UL\/CSA fuse applications and is designed to meet demanding industry performance standards for overcurrent protection. Its high interrupting capacity and Class L construction make it suitable for use in systems requiring dependable fault-current protection and coordinated circuit safety.\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\u003eService entrance equipment\u003c\/li\u003e\n\u003cli\u003eMain distribution panels\u003c\/li\u003e\n\u003cli\u003eIndustrial feeder circuits\u003c\/li\u003e\n\u003cli\u003eLarge motor control systems\u003c\/li\u003e\n\u003cli\u003eManufacturing facilities\u003c\/li\u003e\n\u003cli\u003eData centers\u003c\/li\u003e\n\u003cli\u003eUtility and infrastructure projects\u003c\/li\u003e\n\u003cli\u003ePower distribution equipment\u003c\/li\u003e\n\u003cli\u003eHigh-capacity circuit breaker protection\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":50459152122155,"sku":"A4BY1350","price":0.0,"currency_code":"USD","in_stock":false},{"title":"Refurbished","offer_id":50459152154923,"sku":"A4BY1350  [R]","price":0.0,"currency_code":"USD","in_stock":false}],"url":"https:\/\/store.circuitbreakersuperstore.com\/products\/a4by1350","provider":"CIRCUIT BREAKER SUPERSTORE®","version":"1.0","type":"link"}