{"product_id":"eaton-bussmann-frn-r-400-400a-dual-element-fuse-class-rk5-250vac-125vdc-blade-end-finger-safe","title":"Eaton Bussmann FRN-R-400 400A Dual Element Fuse – Class RK5 – 250VAC \/ 125VDC – Blade End – Finger Safe","description":"\u003csection class=\"text-token-text-primary w-full focus:outline-none [--shadow-height:45px] has-data-writing-block:pointer-events-none has-data-writing-block:-mt-(--shadow-height) has-data-writing-block:pt-(--shadow-height) [\u0026amp;:has([data-writing-block])\u0026gt;*]:pointer-events-auto [content-visibility:auto] supports-[content-visibility:auto]:[contain-intrinsic-size:auto_100lvh] R6Vx5W_threadScrollVars scroll-mb-[calc(var(--scroll-root-safe-area-inset-bottom,0px)+var(--thread-response-height))] scroll-mt-[calc(var(--header-height)+min(200px,max(70px,20svh)))]\" dir=\"auto\" data-turn-id=\"request-69f38d39-f654-83e8-b941-44eeb6cb23a1-11\" data-testid=\"conversation-turn-52\" data-scroll-anchor=\"false\" data-turn=\"assistant\"\u003e\n\u003cdiv class=\"text-base my-auto mx-auto pb-10 [--thread-content-margin:var(--thread-content-margin-xs,calc(var(--spacing)*4))] @w-sm\/main:[--thread-content-margin:var(--thread-content-margin-sm,calc(var(--spacing)*6))] @w-lg\/main:[--thread-content-margin:var(--thread-content-margin-lg,calc(var(--spacing)*16))] px-(--thread-content-margin)\"\u003e\n\u003cdiv class=\"[--thread-content-max-width:40rem] @w-lg\/main:[--thread-content-max-width:48rem] mx-auto max-w-(--thread-content-max-width) flex-1 group\/turn-messages focus-visible:outline-hidden relative flex w-full min-w-0 flex-col agent-turn\"\u003e\n\u003cdiv class=\"flex max-w-full flex-col gap-4 grow\"\u003e\n\u003cdiv data-message-author-role=\"assistant\" data-message-id=\"249126c5-e1cb-4947-a96f-8d51d8161637\" dir=\"auto\" data-message-model-slug=\"gpt-5-3-mini\" class=\"min-h-8 text-message relative flex w-full flex-col items-end gap-2 text-start break-words whitespace-normal outline-none keyboard-focused:focus-ring [.text-message+\u0026amp;]:mt-1\" data-turn-start-message=\"true\" tabindex=\"0\"\u003e\n\u003cdiv class=\"flex w-full flex-col gap-1 empty:hidden\"\u003e\n\u003cdiv class=\"markdown prose dark:prose-invert w-full wrap-break-word dark markdown-new-styling\"\u003e\n\u003cp data-start=\"162\" data-end=\"676\"\u003eThe Eaton Bussmann FRN-R-400 is a dual-element Class RK5 fuse designed for dependable overcurrent protection in industrial and commercial electrical systems. Rated at 400A, it provides time-delay performance to withstand temporary inrush currents while protecting against sustained overloads and short circuits. With a finger-safe design and blade end connections, it ensures enhanced safety and reliable installation in motor circuits and general-purpose power distribution applications.\u003c\/p\u003e\n\u003cp data-start=\"683\" data-end=\"705\"\u003e\u003cstrong data-start=\"683\" data-end=\"705\"\u003eVoltage and Rating\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"707\" data-end=\"867\"\u003e\n\u003cli data-section-id=\"1bfn19q\" data-start=\"707\" data-end=\"731\"\u003eCurrent Rating: 400A\u003c\/li\u003e\n\u003cli data-section-id=\"1vpncgr\" data-start=\"732\" data-end=\"767\"\u003eVoltage Rating: 250VAC \/ 125VDC\u003c\/li\u003e\n\u003cli data-section-id=\"1cwok31\" data-start=\"768\" data-end=\"825\"\u003eInterrupt Rating: 200 kAIC @ 250VAC, 20 kAIC @ 125VDC\u003c\/li\u003e\n\u003cli data-section-id=\"b22waf\" data-start=\"826\" data-end=\"867\"\u003eResponse Time: 10 seconds @ 500% load\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"874\" data-end=\"896\"\u003e\u003cstrong data-start=\"874\" data-end=\"896\"\u003eKey Specifications\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"898\" data-end=\"1213\"\u003e\n\u003cli data-section-id=\"1y8y66g\" data-start=\"898\" data-end=\"930\"\u003eManufacturer: Eaton Bussmann\u003c\/li\u003e\n\u003cli data-section-id=\"1f6lluh\" data-start=\"931\" data-end=\"960\"\u003eCatalog Number: FRN-R-400\u003c\/li\u003e\n\u003cli data-section-id=\"16ai4ub\" data-start=\"961\" data-end=\"983\"\u003eProduct Type: Fuse\u003c\/li\u003e\n\u003cli data-section-id=\"rmv6wp\" data-start=\"984\" data-end=\"1004\"\u003eClass: Class RK5\u003c\/li\u003e\n\u003cli data-section-id=\"a7yrhs\" data-start=\"1005\" data-end=\"1041\"\u003eNumber of Elements: Dual Element\u003c\/li\u003e\n\u003cli data-section-id=\"10mfdjj\" data-start=\"1042\" data-end=\"1076\"\u003eFuse Indicator: Non-Indicating\u003c\/li\u003e\n\u003cli data-section-id=\"exxroj\" data-start=\"1077\" data-end=\"1119\"\u003eConnection Type: Blade End x Blade End\u003c\/li\u003e\n\u003cli data-section-id=\"17v4eib\" data-start=\"1120\" data-end=\"1153\"\u003eSpecial Features: Finger Safe\u003c\/li\u003e\n\u003cli data-section-id=\"1itaqni\" data-start=\"1154\" data-end=\"1213\"\u003eApplication: Motor Circuits, General Circuit Protection\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"1220\" data-end=\"1248\"\u003e\u003cstrong data-start=\"1220\" data-end=\"1248\"\u003eTechnical Specifications\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"1250\" data-end=\"1407\"\u003e\n\u003cli data-section-id=\"rqw73v\" data-start=\"1250\" data-end=\"1307\"\u003eTime-Delay Function: Supports inrush current handling\u003c\/li\u003e\n\u003cli data-section-id=\"cj5arr\" data-start=\"1308\" data-end=\"1352\"\u003eConstruction Type: Industrial Grade Fuse\u003c\/li\u003e\n\u003cli data-section-id=\"fs7089\" data-start=\"1353\" data-end=\"1381\"\u003ePackaging Type: Standard\u003c\/li\u003e\n\u003cli data-section-id=\"k9iwt6\" data-start=\"1382\" data-end=\"1407\"\u003eCompliance: CE Marked\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"1414\" data-end=\"1434\"\u003e\u003cstrong data-start=\"1414\" data-end=\"1434\"\u003ePhysical Details\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"1436\" data-end=\"1524\"\u003e\n\u003cli data-section-id=\"58jh78\" data-start=\"1436\" data-end=\"1469\"\u003eProduct Length\/Depth: 8.63 in\u003c\/li\u003e\n\u003cli data-section-id=\"1qcdgws\" data-start=\"1470\" data-end=\"1497\"\u003eProduct Height: 2.06 in\u003c\/li\u003e\n\u003cli data-section-id=\"cwc2md\" data-start=\"1498\" data-end=\"1524\"\u003eProduct Width: 2.06 in\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"1531\" data-end=\"1547\"\u003e\u003cstrong data-start=\"1531\" data-end=\"1547\"\u003eProduct Data\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"1549\" data-end=\"1760\" data-is-last-node=\"\" data-is-only-node=\"\"\u003e\n\u003cli data-section-id=\"1y8y66g\" data-start=\"1549\" data-end=\"1581\"\u003eManufacturer: Eaton Bussmann\u003c\/li\u003e\n\u003cli data-section-id=\"l5gzpz\" data-start=\"1582\" data-end=\"1603\"\u003eUPC: 051712507530\u003c\/li\u003e\n\u003cli data-section-id=\"laiai7\" data-start=\"1604\" data-end=\"1626\"\u003eEAN: 5027590060813\u003c\/li\u003e\n\u003cli data-section-id=\"vvpmzp\" data-start=\"1627\" data-end=\"1654\"\u003eModel Number: FRN-R-400\u003c\/li\u003e\n\u003cli data-section-id=\"g6wu6r\" data-start=\"1655\" data-end=\"1674\"\u003eCategory: Fuses\u003c\/li\u003e\n\u003cli data-section-id=\"1oeyg12\" data-start=\"1675\" data-end=\"1706\"\u003eSubcategory: Class RK5 Fuse\u003c\/li\u003e\n\u003cli data-section-id=\"1a4ezqx\" data-start=\"1707\" data-end=\"1733\"\u003eProduct Weight: 1.6 lb\u003c\/li\u003e\n\u003cli data-section-id=\"1lc1dzt\" data-start=\"1734\" data-end=\"1760\" data-is-last-node=\"\"\u003eWarranty: Not Applicable\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"z-0 flex min-h-[46px] justify-start\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv class=\"mt-3 w-full empty:hidden\"\u003e\n\u003cdiv class=\"text-center\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e","brand":"Eaton Bussmann","offers":[{"title":"NEW","offer_id":48340058276089,"sku":"FRN-R-400","price":88.2,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0750\/7810\/7385\/files\/402.jpg?v=1777631055","url":"https:\/\/mycircuitbreakers.com\/products\/eaton-bussmann-frn-r-400-400a-dual-element-fuse-class-rk5-250vac-125vdc-blade-end-finger-safe","provider":"My Circuit Breakers","version":"1.0","type":"link"}