{"product_id":"a4by750","title":"A4BY750 - 750Amp Fuse","description":"\u003cp\u003e\u003cstrong\u003eA4BY750 - 750Amp Fuse\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eProtect your electrical systems and keep them running smoothly with the Mersen A4BY750 Amp-Trap® Class L Time-Delay Fuse. Designed for medium to high-current applications, this 750A fuse is perfect for service entrance equipment, feeder circuits, and circuit breakers. Its clever time-delay design lets harmless surges—like motor starts or short voltage spikes—pass without tripping, while instantly reacting to real faults to protect your equipment and minimize downtime.\u003c\/p\u003e\n\u003cp\u003eInstallation is simple with silver-plated copper blade terminals and a bolt-mounted design. The tough glass melamine (GMG) body holds up under continuous heavy use, and a 200kA AC interrupting rating provides reliable protection for both commercial and industrial environments. Clear markings make it easy to identify and replace, saving time and effort for technicians and electricians.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eKey Features and Benefits\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eTime-delay design lets harmless surges pass without trips\u003c\/li\u003e\n\u003cli\u003e750A rating for medium to high-current circuits\u003c\/li\u003e\n\u003cli\u003eRated for 600VAC \/ 300VDC applications\u003c\/li\u003e\n\u003cli\u003e200kA AC interrupting capacity for quick fault clearing\u003c\/li\u003e\n\u003cli\u003eSilver-plated copper blade terminals for secure connections\u003c\/li\u003e\n\u003cli\u003eDurable GMG (glass melamine) body for long-lasting stability\u003c\/li\u003e\n\u003cli\u003eContinuous-duty operation at full amp rating\u003c\/li\u003e\n\u003cli\u003eClear markings for easy identification and maintenance\u003c\/li\u003e\n\u003cli\u003eBolt-mounted installation ensures a secure, stable fit\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eTechnical Specifications\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCatalog Number:\u003c\/strong\u003e A4BY750\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSeries:\u003c\/strong\u003e A4BY – Class L – Time-Delay\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFuse Class:\u003c\/strong\u003e Class L\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAmpere Rating:\u003c\/strong\u003e 750A\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVoltage Rating:\u003c\/strong\u003e 600VAC \/ 300VDC\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFrequency:\u003c\/strong\u003e 50\/60 Hz\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpeed\/Characteristic:\u003c\/strong\u003e Time-Delay\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMounting:\u003c\/strong\u003e Bolted\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConnection Type:\u003c\/strong\u003e Blade\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConnection Material:\u003c\/strong\u003e Silver-Plated Copper\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAC Max Interrupting Rating:\u003c\/strong\u003e 200kA\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBody Material:\u003c\/strong\u003e GMG (Glass Melamine)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct Diameter:\u003c\/strong\u003e 50.8 mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct Length:\u003c\/strong\u003e 219.2 mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct Weight:\u003c\/strong\u003e 1.6511 kg\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\u003eRoHS Compliant\u003c\/li\u003e\n\u003cli\u003eUL\/CSA approved for low-voltage applications\u003c\/li\u003e\n\u003cli\u003eMeets industrial and commercial electrical protection standards\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eWhere It Works Best\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eThe A4BY750 is ideal for systems that demand reliable surge tolerance and fast fault response:\u003c\/li\u003e\n\u003cli\u003eService entrance panels\u003c\/li\u003e\n\u003cli\u003eFeeder circuits and distribution systems\u003c\/li\u003e\n\u003cli\u003eIndustrial machinery protection\u003c\/li\u003e\n\u003cli\u003eCommercial power systems\u003c\/li\u003e\n\u003cli\u003eCircuit breakers in critical infrastructure\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\u003eCIRCUIT BREAKER SUPERSTORE®\u003c\/strong\u003e is an independent reseller and is \u003cstrong\u003enot\u003c\/strong\u003e an 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":50459153006891,"sku":"A4BY750","price":0.0,"currency_code":"USD","in_stock":false},{"title":"Refurbished","offer_id":50459153039659,"sku":"A4BY750  [R]","price":0.0,"currency_code":"USD","in_stock":false}],"url":"https:\/\/store.circuitbreakersuperstore.com\/products\/a4by750","provider":"CIRCUIT BREAKER SUPERSTORE®","version":"1.0","type":"link"}