{"product_id":"ajt4","title":"AJT4 - 4 Amp Fuse","description":"\u003cp\u003e\u003cstrong\u003eAJT4 - 4 Amp Fuse\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe AJT4 Class J Time-Delay Fuse is built for electrical systems that need dependable protection without constant nuisance fuse openings. In many commercial and industrial applications, motors, transformers, and HVAC equipment draw a quick surge of current when they start up. That’s normal — and this fuse is designed with that in mind. The AJT4 can handle those temporary startup currents while still reacting quickly if an overload or short circuit happens.\u003c\/p\u003e\n\u003cp\u003eIts compact Class J cartridge design also makes it a practical choice for crowded panels and control cabinets where space is limited. The current-limiting protection helps reduce the amount of fault current moving through the circuit during a short circuit, which can help reduce damage to connected equipment and wiring. For maintenance teams and facility managers, that can mean less downtime and fewer headaches when electrical problems occur.\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\u003eTime-delay design helps prevent nuisance openings during equipment startup:\u003c\/strong\u003e Allows temporary startup surges to pass without unnecessary interruptions.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCurrent-limiting protection helps reduce damage during fault conditions:\u003c\/strong\u003e Helps minimize thermal and mechanical stress on connected electrical systems.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompact Class J size helps save space inside electrical panels:\u003c\/strong\u003e Fits well into installations where enclosure space is limited.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCartridge-style construction supports easy installation and replacement:\u003c\/strong\u003e Helps provide dependable fit and straightforward maintenance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNon-indicating design for straightforward operation:\u003c\/strong\u003e Supports simple and reliable fuse protection.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh interrupting capacity for demanding commercial and industrial systems:\u003c\/strong\u003e Suitable for high fault-current environments.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHelps protect motors, transformers, HVAC equipment, and control circuits:\u003c\/strong\u003e Supports reliable overcurrent protection across multiple applications.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSuitable for a wide range of low-voltage power distribution applications:\u003c\/strong\u003e Designed for dependable operation in commercial and industrial systems.\u003cbr\u003e\u003cstrong\u003e\u003c\/strong\u003e\n\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\u003ePart Number:\u003c\/strong\u003e AJT4\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e AJT\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFuse Class:\u003c\/strong\u003e Class J\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFuse Style:\u003c\/strong\u003e Cartridge\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAmpere Rating:\u003c\/strong\u003e 4 Amps\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVoltage Rating:\u003c\/strong\u003e 600 VAC\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eA.I.C. Rating:\u003c\/strong\u003e 200 kA @ 600 VAC\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProtection Type:\u003c\/strong\u003e Time-Delay, Current-Limiting\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIndication:\u003c\/strong\u003e Non-Indicating\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHeight:\u003c\/strong\u003e 2.25 in.\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWidth:\u003c\/strong\u003e 0.8125 in.\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDepth:\u003c\/strong\u003e 0.8125 in.\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\u003e\n\u003cstrong\u003eIndustry Standards:\u003c\/strong\u003e The AJT4 fuse is designed for low-voltage Class J electrical protection applications commonly used in commercial and industrial electrical systems requiring dependable overcurrent protection.\u003cbr\u003e\u003cstrong\u003e\u003c\/strong\u003e\n\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\u003eThe AJT4 is commonly installed in HVAC systems, industrial machinery, motor control centers, transformers, branch circuits, feeder circuits, and electrical control panels where temporary startup surges are expected during normal operation.\u003cbr\u003e\n\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":50459166441771,"sku":"AJT4","price":0.0,"currency_code":"USD","in_stock":false},{"title":"Refurbished","offer_id":50459166474539,"sku":"AJT4  [R]","price":0.0,"currency_code":"USD","in_stock":false}],"url":"https:\/\/store.circuitbreakersuperstore.com\/products\/ajt4","provider":"CIRCUIT BREAKER SUPERSTORE®","version":"1.0","type":"link"}