{"product_id":"mersen-a6k400r-fuse-class-rk1-400a-600vac-300vdc-fast-acting-blade-fuse-amp-trap®-a6k-r","title":"Mersen A6K400R Fuse – Class RK1 – 400A – 600VAC\/300VDC – Fast-Acting Blade Fuse (Amp-Trap® A6K-R)","description":"\u003cp data-start=\"154\" data-end=\"652\"\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 A6K400R is a Class RK1 fast-acting fuse engineered for high-performance protection of industrial electrical systems. Rated at 400 Amps, this Amp-Trap® fuse provides rapid fault interruption to protect conductors, switchgear, and sensitive downstream equipment from damaging short-circuit conditions. With voltage ratings of 600VAC and 300VDC, it is suitable for both AC and DC applications requiring fast and reliable circuit protection.\u003c\/p\u003e\n\u003ch3 data-section-id=\"yc43s8\" data-start=\"654\" data-end=\"676\"\u003eVoltage and Rating\u003c\/h3\u003e\n\u003cul data-start=\"678\" data-end=\"831\"\u003e\n\u003cli data-section-id=\"1om46o0\" data-start=\"678\" data-end=\"706\"\u003eCurrent Rating: 400 Amps\u003c\/li\u003e\n\u003cli data-section-id=\"k5woin\" data-start=\"707\" data-end=\"742\"\u003eVoltage Rating: 600VAC \/ 300VDC\u003c\/li\u003e\n\u003cli data-section-id=\"12sfb1r\" data-start=\"743\" data-end=\"766\"\u003eFrequency: 50\/60 Hz\u003c\/li\u003e\n\u003cli data-section-id=\"fwlriw\" data-start=\"767\" data-end=\"792\"\u003eFuse Class: Class RK1\u003c\/li\u003e\n\u003cli data-section-id=\"1xo9349\" data-start=\"793\" data-end=\"831\"\u003eFuse Type: Fast-Acting (Fast-Blow)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-section-id=\"uvdx3z\" data-start=\"833\" data-end=\"855\"\u003eKey Specifications\u003c\/h3\u003e\n\u003cul data-start=\"857\" data-end=\"1152\"\u003e\n\u003cli data-section-id=\"8yeven\" data-start=\"857\" data-end=\"902\"\u003eProduct Type: Industrial Fast-Acting Fuse\u003c\/li\u003e\n\u003cli data-section-id=\"et13gl\" data-start=\"903\" data-end=\"930\"\u003eSeries: Amp-Trap® A6K-R\u003c\/li\u003e\n\u003cli data-section-id=\"1o51msb\" data-start=\"931\" data-end=\"955\"\u003ePart Number: A6K400R\u003c\/li\u003e\n\u003cli data-section-id=\"65a2sf\" data-start=\"956\" data-end=\"1011\"\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=\"1012\" data-end=\"1037\"\u003eMounting Style: Blade\u003c\/li\u003e\n\u003cli data-section-id=\"6d3eth\" data-start=\"1038\" data-end=\"1098\"\u003eResponse Type: Fast-acting for immediate fault clearance\u003c\/li\u003e\n\u003cli data-section-id=\"qymzna\" data-start=\"1099\" data-end=\"1152\"\u003ePerformance Class: RK1 high interrupting capacity\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-section-id=\"nucr17\" data-start=\"1154\" data-end=\"1182\"\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cul data-start=\"1184\" data-end=\"1669\"\u003e\n\u003cli data-section-id=\"1ey55ch\" data-start=\"1184\" data-end=\"1269\"\u003eProtection Type: Overcurrent and short-circuit protection for industrial circuits\u003c\/li\u003e\n\u003cli data-section-id=\"1fe9pyu\" data-start=\"1270\" data-end=\"1383\"\u003eApplication Suitability: Power distribution systems, feeders, motor branch circuits, and industrial equipment\u003c\/li\u003e\n\u003cli data-section-id=\"14hu3i9\" data-start=\"1384\" data-end=\"1477\"\u003eCoordination Type: Designed for selective coordination with downstream protective devices\u003c\/li\u003e\n\u003cli data-section-id=\"1ov1sbt\" data-start=\"1478\" data-end=\"1584\"\u003eConstruction Features: High interrupting rating, low let-through energy, and robust blade construction\u003c\/li\u003e\n\u003cli data-section-id=\"vbx3ym\" data-start=\"1585\" data-end=\"1669\"\u003eSystem Integration: Compatible with AC and DC systems up to rated voltage limits\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-section-id=\"nr5bwx\" data-start=\"1671\" data-end=\"1698\"\u003eStandards and Approvals\u003c\/h3\u003e\n\u003cul data-start=\"1700\" data-end=\"1850\"\u003e\n\u003cli data-section-id=\"11a7gqd\" data-start=\"1700\" data-end=\"1713\"\u003eUL Listed\u003c\/li\u003e\n\u003cli data-section-id=\"1ygh62h\" data-start=\"1714\" data-end=\"1731\"\u003eCSA Certified\u003c\/li\u003e\n\u003cli data-section-id=\"1xvxuxr\" data-start=\"1732\" data-end=\"1780\"\u003eClass RK1 industrial fuse standard compliant\u003c\/li\u003e\n\u003cli data-section-id=\"1pnqzgh\" data-start=\"1781\" data-end=\"1850\"\u003eIEC equivalent industrial protection standards (where applicable)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-section-id=\"1aljov1\" data-start=\"1852\" data-end=\"1868\"\u003eProduct Data\u003c\/h3\u003e\n\u003cul data-start=\"1870\" data-end=\"2004\"\u003e\n\u003cli data-section-id=\"8qge4f\" data-start=\"1870\" data-end=\"1925\"\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=\"et13gl\" data-start=\"1926\" data-end=\"1953\"\u003eSeries: Amp-Trap® A6K-R\u003c\/li\u003e\n\u003cli data-section-id=\"1o51msb\" data-start=\"1954\" data-end=\"1978\"\u003ePart Number: A6K400R\u003c\/li\u003e\n\u003cli data-section-id=\"yifb26\" data-start=\"1979\" data-end=\"2004\"\u003eEAN\/UPC: 782001915889\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-section-id=\"wggvqn\" data-start=\"2006\" data-end=\"2022\"\u003eApplications\u003c\/h3\u003e\n\u003cul data-start=\"2024\" data-end=\"2356\"\u003e\n\u003cli data-section-id=\"1c8wqh4\" data-start=\"2024\" data-end=\"2064\"\u003eIndustrial power distribution panels\u003c\/li\u003e\n\u003cli data-section-id=\"o2ie4s\" data-start=\"2065\" data-end=\"2112\"\u003eMotor control and branch circuit protection\u003c\/li\u003e\n\u003cli data-section-id=\"11cku77\" data-start=\"2113\" data-end=\"2151\"\u003eElectrical feeders and sub-feeders\u003c\/li\u003e\n\u003cli data-section-id=\"1d4sj85\" data-start=\"2152\" data-end=\"2183\"\u003eHVAC and compressor systems\u003c\/li\u003e\n\u003cli data-section-id=\"zh5qpg\" data-start=\"2184\" data-end=\"2219\"\u003eHeavy-duty industrial machinery\u003c\/li\u003e\n\u003cli data-section-id=\"ej0pyd\" data-start=\"2220\" data-end=\"2253\"\u003eSwitchgear and control panels\u003c\/li\u003e\n\u003cli data-section-id=\"19xf97f\" data-start=\"2254\" data-end=\"2297\"\u003eCommercial and manufacturing facilities\u003c\/li\u003e\n\u003cli data-section-id=\"1nuxcgn\" data-start=\"2298\" data-end=\"2356\"\u003eEquipment requiring fast and reliable fault protection\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Mersen","offers":[{"title":"NEW","offer_id":48494224212217,"sku":"A6K400R","price":362.6,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0750\/7810\/7385\/files\/PHP-A6K400R-Mersen-TIMG_jpg.webp?v=1780842466","url":"https:\/\/mycircuitbreakers.com\/products\/mersen-a6k400r-fuse-class-rk1-400a-600vac-300vdc-fast-acting-blade-fuse-amp-trap%c2%ae-a6k-r","provider":"My Circuit Breakers","version":"1.0","type":"link"}