{"product_id":"mersen-a6d400r-fuse-class-rk1-400a-600vac-600vdc-time-delay-blade-fuse-amp-trap-2000®-smartspot®","title":"Mersen A6D400R Fuse – Class RK1 – 400A – 600VAC\/600VDC – Time-Delay Blade Fuse (Amp-Trap 2000® SmartSpot®)","description":"\u003cp data-start=\"163\" data-end=\"814\"\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 A6D400R is a Class RK1 time-delay fuse designed for reliable overcurrent protection in industrial and commercial power distribution systems. Rated at 400 Amps, this Amp-Trap 2000® fuse provides controlled time-delay characteristics, allowing it to withstand temporary overloads while safely interrupting dangerous fault currents. With 600VAC and 600VDC voltage ratings, it is suitable for both AC and DC electrical systems requiring robust and coordinated protection. The SmartSpot® indicator enhances maintenance efficiency by providing a clear visual indication of a blown fuse condition.\u003c\/p\u003e\n\u003ch3 data-section-id=\"yc43s8\" data-start=\"816\" data-end=\"838\"\u003eVoltage and Rating\u003c\/h3\u003e\n\u003cul data-start=\"840\" data-end=\"994\"\u003e\n\u003cli data-section-id=\"1om46o0\" data-start=\"840\" data-end=\"868\"\u003eCurrent Rating: 400 Amps\u003c\/li\u003e\n\u003cli data-section-id=\"jbghdm\" data-start=\"869\" data-end=\"904\"\u003eVoltage Rating: 600VAC \/ 600VDC\u003c\/li\u003e\n\u003cli data-section-id=\"12sfb1r\" data-start=\"905\" data-end=\"928\"\u003eFrequency: 50\/60 Hz\u003c\/li\u003e\n\u003cli data-section-id=\"fwlriw\" data-start=\"929\" data-end=\"954\"\u003eFuse Class: Class RK1\u003c\/li\u003e\n\u003cli data-section-id=\"1bsf8pk\" data-start=\"955\" data-end=\"994\"\u003eFuse Type: Time-Delay (Slow-Acting)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-section-id=\"uvdx3z\" data-start=\"996\" data-end=\"1018\"\u003eKey Specifications\u003c\/h3\u003e\n\u003cul data-start=\"1020\" data-end=\"1318\"\u003e\n\u003cli data-section-id=\"1g99695\" data-start=\"1020\" data-end=\"1064\"\u003eProduct Type: Industrial Time-Delay Fuse\u003c\/li\u003e\n\u003cli data-section-id=\"13ezkyw\" data-start=\"1065\" data-end=\"1097\"\u003eSeries: Amp-Trap 2000® A6D-R\u003c\/li\u003e\n\u003cli data-section-id=\"20874k\" data-start=\"1098\" data-end=\"1122\"\u003ePart Number: A6D400R\u003c\/li\u003e\n\u003cli data-section-id=\"65a2sf\" data-start=\"1123\" data-end=\"1178\"\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=\"1179\" data-end=\"1204\"\u003eMounting Style: Blade\u003c\/li\u003e\n\u003cli data-section-id=\"16s2jxn\" data-start=\"1205\" data-end=\"1271\"\u003eResponse Type: Time-Delay (with controlled overload tolerance)\u003c\/li\u003e\n\u003cli data-section-id=\"1qlxhwq\" data-start=\"1272\" data-end=\"1318\"\u003eIndicator: SmartSpot® blown-fuse indicator\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-section-id=\"nucr17\" data-start=\"1320\" data-end=\"1348\"\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cul data-start=\"1350\" data-end=\"1814\"\u003e\n\u003cli data-section-id=\"1ey55ch\" data-start=\"1350\" data-end=\"1435\"\u003eProtection Type: Overcurrent and short-circuit protection for industrial circuits\u003c\/li\u003e\n\u003cli data-section-id=\"5obbfr\" data-start=\"1436\" data-end=\"1534\"\u003eApplication Suitability: Motor circuits, transformers, feeders, and general power distribution\u003c\/li\u003e\n\u003cli data-section-id=\"12ak1uj\" data-start=\"1535\" data-end=\"1615\"\u003eCoordination Type: Selective coordination with downstream protection devices\u003c\/li\u003e\n\u003cli data-section-id=\"uat8u8\" data-start=\"1616\" data-end=\"1735\"\u003eConstruction Features: High interrupting capacity, dual-element time-delay design, and low peak let-through current\u003c\/li\u003e\n\u003cli data-section-id=\"1kvsdx4\" data-start=\"1736\" data-end=\"1814\"\u003eSystem Integration: Suitable for AC and DC distribution systems up to 600V\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-section-id=\"nr5bwx\" data-start=\"1816\" data-end=\"1843\"\u003eStandards and Approvals\u003c\/h3\u003e\n\u003cul data-start=\"1845\" data-end=\"1985\"\u003e\n\u003cli data-section-id=\"11a7gqd\" data-start=\"1845\" data-end=\"1858\"\u003eUL Listed\u003c\/li\u003e\n\u003cli data-section-id=\"1ygh62h\" data-start=\"1859\" data-end=\"1876\"\u003eCSA Certified\u003c\/li\u003e\n\u003cli data-section-id=\"4sr1xh\" data-start=\"1877\" data-end=\"1921\"\u003eClass RK1 performance standard compliant\u003c\/li\u003e\n\u003cli data-section-id=\"1yirdon\" data-start=\"1922\" data-end=\"1985\"\u003eIEC equivalent industrial fuse standards (where applicable)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-section-id=\"1aljov1\" data-start=\"1987\" data-end=\"2003\"\u003eProduct Data\u003c\/h3\u003e\n\u003cul data-start=\"2005\" data-end=\"2144\"\u003e\n\u003cli data-section-id=\"8qge4f\" data-start=\"2005\" data-end=\"2060\"\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=\"13ezkyw\" data-start=\"2061\" data-end=\"2093\"\u003eSeries: Amp-Trap 2000® A6D-R\u003c\/li\u003e\n\u003cli data-section-id=\"20874k\" data-start=\"2094\" data-end=\"2118\"\u003ePart Number: A6D400R\u003c\/li\u003e\n\u003cli data-section-id=\"1lf746y\" data-start=\"2119\" data-end=\"2144\"\u003eEAN\/UPC: 782001992255\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-section-id=\"wggvqn\" data-start=\"2146\" data-end=\"2162\"\u003eApplications\u003c\/h3\u003e\n\u003cul data-start=\"2164\" data-end=\"2442\"\u003e\n\u003cli data-section-id=\"18xv2zo\" data-start=\"2164\" data-end=\"2196\"\u003eMotor control centers (MCCs)\u003c\/li\u003e\n\u003cli data-section-id=\"1c8wqh4\" data-start=\"2197\" data-end=\"2237\"\u003eIndustrial power distribution panels\u003c\/li\u003e\n\u003cli data-section-id=\"13cmzo7\" data-start=\"2238\" data-end=\"2264\"\u003eTransformer protection\u003c\/li\u003e\n\u003cli data-section-id=\"1qwmxre\" data-start=\"2265\" data-end=\"2294\"\u003eFeeder circuit protection\u003c\/li\u003e\n\u003cli data-section-id=\"1wibwmd\" data-start=\"2295\" data-end=\"2311\"\u003eHVAC systems\u003c\/li\u003e\n\u003cli data-section-id=\"1mpvf9f\" data-start=\"2312\" data-end=\"2352\"\u003eGeneral-purpose industrial machinery\u003c\/li\u003e\n\u003cli data-section-id=\"ngmitm\" data-start=\"2353\" data-end=\"2391\"\u003eBackup and emergency power systems\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Mersen","offers":[{"title":"NEW","offer_id":48494218084601,"sku":"A6D400R","price":250.6,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0750\/7810\/7385\/files\/PHP-A6D400R-Mersen-TIMG_jpg.webp?v=1780842078","url":"https:\/\/mycircuitbreakers.com\/products\/mersen-a6d400r-fuse-class-rk1-400a-600vac-600vdc-time-delay-blade-fuse-amp-trap-2000%c2%ae-smartspot%c2%ae","provider":"My Circuit Breakers","version":"1.0","type":"link"}