{"product_id":"mersen-ajt450-fuse-class-j-450a-600vac-500vdc-time-delay-blade-fuse-amp-trap-2000®-ajt","title":"Mersen AJT450 Fuse – Class J – 450A – 600VAC\/500VDC – Time-Delay Blade Fuse (Amp-Trap 2000® AJT)","description":"\u003cp data-start=\"153\" data-end=\"710\"\u003eThe \u003cspan class=\"hover:entity-accent entity-underline inline cursor-pointer align-baseline\"\u003e\u003cspan class=\"whitespace-normal\"\u003eMersen\u003c\/span\u003e\u003c\/span\u003e AJT450 is a Class J time-delay fuse designed for high-capacity industrial power distribution systems. Rated at 450 Amps, this Amp-Trap 2000® fuse provides controlled time-delay performance, allowing it to withstand temporary inrush currents while still delivering fast and reliable interruption during short-circuit events. With voltage ratings of 600VAC and 500VDC, it is suitable for AC and DC systems requiring high interrupting capacity, compact design, and selective coordination protection.\u003c\/p\u003e\n\u003ch3 data-section-id=\"yc43s8\" data-start=\"712\" data-end=\"734\"\u003eVoltage and Rating\u003c\/h3\u003e\n\u003cul data-start=\"736\" data-end=\"889\"\u003e\n\u003cli data-section-id=\"1b37dtx\" data-start=\"736\" data-end=\"764\"\u003eCurrent Rating: 450 Amps\u003c\/li\u003e\n\u003cli data-section-id=\"1jrwfrt\" data-start=\"765\" data-end=\"800\"\u003eVoltage Rating: 600VAC \/ 500VDC\u003c\/li\u003e\n\u003cli data-section-id=\"12sfb1r\" data-start=\"801\" data-end=\"824\"\u003eFrequency: 50\/60 Hz\u003c\/li\u003e\n\u003cli data-section-id=\"lh2ska\" data-start=\"825\" data-end=\"848\"\u003eFuse Class: Class J\u003c\/li\u003e\n\u003cli data-section-id=\"4myp57\" data-start=\"849\" data-end=\"889\"\u003eFuse Type: Time-Delay (Dual-Element)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-section-id=\"uvdx3z\" data-start=\"891\" data-end=\"913\"\u003eKey Specifications\u003c\/h3\u003e\n\u003cul data-start=\"915\" data-end=\"1212\"\u003e\n\u003cli data-section-id=\"1g99695\" data-start=\"915\" data-end=\"959\"\u003eProduct Type: Industrial Time-Delay Fuse\u003c\/li\u003e\n\u003cli data-section-id=\"107qxqz\" data-start=\"960\" data-end=\"990\"\u003eSeries: Amp-Trap 2000® AJT\u003c\/li\u003e\n\u003cli data-section-id=\"13znxlb\" data-start=\"991\" data-end=\"1014\"\u003ePart Number: AJT450\u003c\/li\u003e\n\u003cli data-section-id=\"65a2sf\" data-start=\"1015\" data-end=\"1070\"\u003eManufacturer: \u003cspan class=\"hover:entity-accent entity-underline inline cursor-pointer align-baseline\"\u003e\u003cspan class=\"whitespace-normal\"\u003eMersen\u003c\/span\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"jpwrkx\" data-start=\"1071\" data-end=\"1096\"\u003eMounting Style: Blade\u003c\/li\u003e\n\u003cli data-section-id=\"1xmrvyb\" data-start=\"1097\" data-end=\"1165\"\u003eResponse Type: Time-delay for motor and inrush current tolerance\u003c\/li\u003e\n\u003cli data-section-id=\"1qlxhwq\" data-start=\"1166\" data-end=\"1212\"\u003eIndicator: SmartSpot® blown-fuse indicator\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-section-id=\"nucr17\" data-start=\"1214\" data-end=\"1242\"\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cul data-start=\"1244\" data-end=\"1721\"\u003e\n\u003cli data-section-id=\"1ey55ch\" data-start=\"1244\" data-end=\"1329\"\u003eProtection Type: Overcurrent and short-circuit protection for industrial circuits\u003c\/li\u003e\n\u003cli data-section-id=\"upex6v\" data-start=\"1330\" data-end=\"1428\"\u003eApplication Suitability: Motor circuits, transformers, feeders, and power distribution systems\u003c\/li\u003e\n\u003cli data-section-id=\"auvt6b\" data-start=\"1429\" data-end=\"1522\"\u003eCoordination Type: Designed for selective coordination with downstream protection devices\u003c\/li\u003e\n\u003cli data-section-id=\"1fubvwr\" data-start=\"1523\" data-end=\"1639\"\u003eConstruction Features: High interrupting capacity, current-limiting design, and controlled delay characteristics\u003c\/li\u003e\n\u003cli data-section-id=\"1ad6lq8\" data-start=\"1640\" data-end=\"1721\"\u003eSystem Integration: Suitable for AC and DC systems up to rated voltage limits\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-section-id=\"nr5bwx\" data-start=\"1723\" data-end=\"1750\"\u003eStandards and Approvals\u003c\/h3\u003e\n\u003cul data-start=\"1752\" data-end=\"1889\"\u003e\n\u003cli data-section-id=\"11a7gqd\" data-start=\"1752\" data-end=\"1765\"\u003eUL Listed\u003c\/li\u003e\n\u003cli data-section-id=\"1ygh62h\" data-start=\"1766\" data-end=\"1783\"\u003eCSA Certified\u003c\/li\u003e\n\u003cli data-section-id=\"luxhx6\" data-start=\"1784\" data-end=\"1819\"\u003eClass J fuse standard compliant\u003c\/li\u003e\n\u003cli data-section-id=\"1pnqzgh\" data-start=\"1820\" data-end=\"1889\"\u003eIEC equivalent industrial protection standards (where applicable)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-section-id=\"1aljov1\" data-start=\"1891\" data-end=\"1907\"\u003eProduct Data\u003c\/h3\u003e\n\u003cul data-start=\"1909\" data-end=\"2045\"\u003e\n\u003cli data-section-id=\"8qge4f\" data-start=\"1909\" data-end=\"1964\"\u003eManufacturer: \u003cspan class=\"hover:entity-accent entity-underline inline cursor-pointer align-baseline\"\u003e\u003cspan class=\"whitespace-normal\"\u003eMersen\u003c\/span\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"107qxqz\" data-start=\"1965\" data-end=\"1995\"\u003eSeries: Amp-Trap 2000® AJT\u003c\/li\u003e\n\u003cli data-section-id=\"13znxlb\" data-start=\"1996\" data-end=\"2019\"\u003ePart Number: AJT450\u003c\/li\u003e\n\u003cli data-section-id=\"1hssb32\" data-start=\"2020\" data-end=\"2045\"\u003eEAN\/UPC: 782001962180\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-section-id=\"wggvqn\" data-start=\"2047\" data-end=\"2063\"\u003eApplications\u003c\/h3\u003e\n\u003cul data-start=\"2065\" data-end=\"2398\"\u003e\n\u003cli data-section-id=\"18xv2zo\" data-start=\"2065\" data-end=\"2097\"\u003eMotor control centers (MCCs)\u003c\/li\u003e\n\u003cli data-section-id=\"1g63lej\" data-start=\"2098\" data-end=\"2139\"\u003eIndustrial power distribution systems\u003c\/li\u003e\n\u003cli data-section-id=\"13cmzo7\" data-start=\"2140\" data-end=\"2166\"\u003eTransformer protection\u003c\/li\u003e\n\u003cli data-section-id=\"t0h0e6\" data-start=\"2167\" data-end=\"2202\"\u003eFeeder circuits and sub-feeders\u003c\/li\u003e\n\u003cli data-section-id=\"1wibwmd\" data-start=\"2203\" data-end=\"2219\"\u003eHVAC systems\u003c\/li\u003e\n\u003cli data-section-id=\"1gt8ud1\" data-start=\"2220\" data-end=\"2269\"\u003eHeavy-duty machinery and industrial equipment\u003c\/li\u003e\n\u003cli data-section-id=\"1wkxhem\" data-start=\"2270\" data-end=\"2324\"\u003eCommercial and industrial electrical installations\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Mersen","offers":[{"title":"NEW","offer_id":48494297186553,"sku":"AJT450","price":249.2,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0750\/7810\/7385\/files\/PHP-AJT450-Mersen-TIMG_jpg.webp?v=1780845740","url":"https:\/\/mycircuitbreakers.com\/products\/mersen-ajt450-fuse-class-j-450a-600vac-500vdc-time-delay-blade-fuse-amp-trap-2000%c2%ae-ajt","provider":"My Circuit Breakers","version":"1.0","type":"link"}