{"product_id":"ajt20","title":"AJT20 - 20 Amp Fuse","description":"\u003cp\u003e\u003cstrong\u003eAJT20 - 20 Amp Fuse\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe AJT20 Class J Time-Delay Fuse is built for your electrical systems that deal with normal startup surges but still need dependable overcurrent protection. Motors, transformers, compressors, and HVAC equipment often pull extra current for a short time during startup.\u003c\/p\u003e\n\u003cp\u003eOne of the biggest advantages of the AJT20 is its compact Class J design. It takes up less space than many traditional fuse types, making it a practical choice for crowded control panels and electrical equipment where space matters. Even with its smaller size, the fuse provides strong current-limiting protection that helps reduce the amount of fault energy passing through the circuit during a short circuit event. That can help you limit damage to wiring, controls, and connected equipment.\u003c\/p\u003e\n\u003cp\u003eThe built-in SmartSpot® visual indicator also makes maintenance easier by providing a quick way to identify when the fuse has opened. Instead of spending extra time troubleshooting, maintenance teams can locate the issue faster and get equipment back up and running with less delay.\u003c\/p\u003e\n\u003cp\u003eDesigned for commercial and industrial applications, the AJT20 is commonly used in motor control centers, HVAC systems, industrial machinery, transformers, feeder circuits, and branch circuits where reliable circuit protection is important day after day.\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 fuse openings during startup currents:\u003c\/strong\u003e Allows temporary inrush currents 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 equipment.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompact Class J size helps save panel space:\u003c\/strong\u003e Fits well into installations where enclosure space is limited.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSmartSpot® visual indicator allows quick fuse identification:\u003c\/strong\u003e Helps maintenance teams quickly locate opened fuses.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh interrupting rating for demanding applications:\u003c\/strong\u003e Suitable for commercial and industrial high fault-current environments.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSuitable for AC and DC systems:\u003c\/strong\u003e Compatible with a variety of electrical distribution systems.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFerrule-style construction supports secure installation:\u003c\/strong\u003e Helps provide dependable fit and electrical connection.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCommonly used in commercial and industrial electrical systems:\u003c\/strong\u003e Designed for dependable operation in demanding environments.\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\u003eCatalog Number:\u003c\/strong\u003e AJT20\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSeries:\u003c\/strong\u003e AJT – Class J – Time-Delay\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFuse Type:\u003c\/strong\u003e Amp-Trap 2000®\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAmpere Rating:\u003c\/strong\u003e 20 Amps\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVoltage Rating (AC):\u003c\/strong\u003e 600 VAC\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVoltage Rating (DC):\u003c\/strong\u003e 400 VDC\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFrequency:\u003c\/strong\u003e 50\/60 Hz\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\u003eCharacteristic:\u003c\/strong\u003e Time Delay\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInterrupting Rating:\u003c\/strong\u003e 200 kA\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMounting Type:\u003c\/strong\u003e Clip Mount\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTerminal Type:\u003c\/strong\u003e Ferrule\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTerminal Material:\u003c\/strong\u003e Tin-Plated Copper\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIndication System:\u003c\/strong\u003e SmartSpot® Visual Indicator\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 Diameter:\u003c\/strong\u003e 20.7 mm\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct Length:\u003c\/strong\u003e 57.2 mm\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct Weight:\u003c\/strong\u003e 0.044 kg\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 AJT20 fuse is part of Mersen’s Low Voltage UL\/CSA fuse line and is designed for commercial and industrial electrical systems requiring dependable current-limiting overcurrent protection.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProtection Requirements:\u003c\/strong\u003e It also supports IEC Type 2 “No Damage” protection requirements when properly coordinated within electrical systems.\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 AJT20 works well in HVAC equipment, motor control centers, industrial machinery, transformers, control panels, compressors, feeder circuits, and branch circuits where temporary startup surges are expected during normal operation. Its compact footprint and time-delay performance make it especially useful in systems where both space savings and reliable protection are important.\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":50459165786411,"sku":"AJT20","price":0.0,"currency_code":"USD","in_stock":false},{"title":"Refurbished","offer_id":50459165819179,"sku":"AJT20  [R]","price":0.0,"currency_code":"USD","in_stock":false}],"url":"https:\/\/store.circuitbreakersuperstore.com\/products\/ajt20","provider":"CIRCUIT BREAKER SUPERSTORE®","version":"1.0","type":"link"}