{"product_id":"a4j100","title":"A4J100 - 100 Amp Fuse","description":"\u003cp\u003e\u003cstrong\u003eA4J100 - 100 Amp Fuse\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eLooking for dependable protection for your high-current circuits? The Mersen A4J100 Amp-Trap® Class J Fast-Acting Fuse is designed to keep your electrical systems safe and running smoothly. Rated at 100 amps and compatible with 600VAC and 300VDC, this fast-acting fuse reacts instantly to overloads and short circuits, helping prevent costly equipment damage and downtime. Its blade-style terminals and unique design make sure only the correct fuse can be installed, so you won’t run into issues with improper replacements. Built with a sturdy GMG body and silver-plated copper terminals, the A4J100 delivers reliable conductivity and long-lasting performance—even in high fault-current environments. Whether you’re working with panelboards, motor control centers, or industrial machinery, this Class J fuse offers protection you can trust.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eKey Features and Benefits\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eFast-acting Class J fuse for instant overcurrent protection\u003c\/li\u003e\n\u003cli\u003e100 amp rating for heavy-duty applications\u003c\/li\u003e\n\u003cli\u003eWorks with 600VAC and 300VDC systems\u003c\/li\u003e\n\u003cli\u003e200 kA interrupting capacity handles high fault currents\u003c\/li\u003e\n\u003cli\u003eBlade-style terminals for secure connections\u003c\/li\u003e\n\u003cli\u003ePrevents substitution with lower-rated fuses\u003c\/li\u003e\n\u003cli\u003eSilver-plated copper terminals for consistent conductivity\u003c\/li\u003e\n\u003cli\u003eDurable GMG body built to last\u003c\/li\u003e\n\u003cli\u003eCompact design fits standard clips and holders\u003c\/li\u003e\n\u003cli\u003eROHS compliant\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\u003eManufacturer Part Number:\u003c\/strong\u003e A4J100\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct Series:\u003c\/strong\u003e A4J – Class J – Fast-Acting\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFuse Class:\u003c\/strong\u003e Class J\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAmpere Rating:\u003c\/strong\u003e 100A\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRated Voltage AC:\u003c\/strong\u003e 600VAC\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRated Voltage DC:\u003c\/strong\u003e 300VDC\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFrequency:\u003c\/strong\u003e 50\/60 Hz\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInterrupting Rating:\u003c\/strong\u003e 200 kA AC\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFuse Type:\u003c\/strong\u003e Fast-Acting\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTerminal Type:\u003c\/strong\u003e Blade\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTerminal Material:\u003c\/strong\u003e Silver-Plated Copper\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMounting Method:\u003c\/strong\u003e Clip\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBody Material:\u003c\/strong\u003e GMG\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct Diameter:\u003c\/strong\u003e 27 mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct Length:\u003c\/strong\u003e 117.6 mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct Weight:\u003c\/strong\u003e 0.1089 kg\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSell Pack Quantity:\u003c\/strong\u003e 5\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompliance:\u003c\/strong\u003e ROHS\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, this fuse is built with high-quality materials to ensure long-lasting, reliable performance. Its GMG body and silver-plated copper terminals are designed to withstand demanding industrial and commercial conditions.\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\u003ePanelboards\u003c\/li\u003e\n\u003cli\u003eMotor control centers\u003c\/li\u003e\n\u003cli\u003eIndustrial machinery\u003c\/li\u003e\n\u003cli\u003eHigh-current commercial electrical systems\u003c\/li\u003e\n\u003cli\u003eAny application needing fast, precise overcurrent 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\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":50459153367339,"sku":"A4J100","price":0.0,"currency_code":"USD","in_stock":false},{"title":"Refurbished","offer_id":50459153400107,"sku":"A4J100  [R]","price":0.0,"currency_code":"USD","in_stock":false}],"url":"https:\/\/store.circuitbreakersuperstore.com\/products\/a4j100","provider":"CIRCUIT BREAKER SUPERSTORE®","version":"1.0","type":"link"}