{"product_id":"eaton-bussmann-frs-r-400-400a-dual-element-fuse-class-rk5-600vac-300vdc-blade-end","title":"Eaton Bussmann FRS-R-400 400A Dual Element Fuse – Class RK5 – 600VAC \/ 300VDC – Blade End","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-b941-44eeb6cb23a1-3\" data-testid=\"conversation-turn-74\" 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=\"aefb8d92-ad37-4d51-ac86-abd86c6ec773\" dir=\"auto\" data-message-model-slug=\"gpt-5-3\" 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=\"148\" data-end=\"642\"\u003eThe Eaton Bussmann FRS-R-400 is a dual-element Class RK5 fuse designed for dependable overcurrent protection in industrial and commercial electrical systems. With a 400A current rating, it provides time-delay performance to handle temporary inrush currents while protecting against sustained overloads and short circuits. Its blade end connection ensures secure installation and reliable operation in motor circuits and general-purpose power distribution applications.\u003c\/p\u003e\n\u003cp data-start=\"649\" data-end=\"671\"\u003e\u003cstrong data-start=\"649\" data-end=\"671\"\u003eVoltage and Rating\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"673\" data-end=\"833\"\u003e\n\u003cli data-section-id=\"1bfn19q\" data-start=\"673\" data-end=\"697\"\u003eCurrent Rating: 400A\u003c\/li\u003e\n\u003cli data-section-id=\"k5woin\" data-start=\"698\" data-end=\"733\"\u003eVoltage Rating: 600VAC \/ 300VDC\u003c\/li\u003e\n\u003cli data-section-id=\"1jd9p8p\" data-start=\"734\" data-end=\"791\"\u003eInterrupt Rating: 200 kAIC @ 600VAC, 20 kAIC @ 300VDC\u003c\/li\u003e\n\u003cli data-section-id=\"b22waf\" data-start=\"792\" data-end=\"833\"\u003eResponse Time: 10 seconds @ 500% load\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"840\" data-end=\"862\"\u003e\u003cstrong data-start=\"840\" data-end=\"862\"\u003eKey Specifications\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"864\" data-end=\"1145\"\u003e\n\u003cli data-section-id=\"1y8y66g\" data-start=\"864\" data-end=\"896\"\u003eManufacturer: Eaton Bussmann\u003c\/li\u003e\n\u003cli data-section-id=\"1u0eds4\" data-start=\"897\" data-end=\"926\"\u003eCatalog Number: FRS-R-400\u003c\/li\u003e\n\u003cli data-section-id=\"16ai4ub\" data-start=\"927\" data-end=\"949\"\u003eProduct Type: Fuse\u003c\/li\u003e\n\u003cli data-section-id=\"rmv6wp\" data-start=\"950\" data-end=\"970\"\u003eClass: Class RK5\u003c\/li\u003e\n\u003cli data-section-id=\"a7yrhs\" data-start=\"971\" data-end=\"1007\"\u003eNumber of Elements: Dual Element\u003c\/li\u003e\n\u003cli data-section-id=\"10mfdjj\" data-start=\"1008\" data-end=\"1042\"\u003eFuse Indicator: Non-Indicating\u003c\/li\u003e\n\u003cli data-section-id=\"exxroj\" data-start=\"1043\" data-end=\"1085\"\u003eConnection Type: Blade End x Blade End\u003c\/li\u003e\n\u003cli data-section-id=\"1itaqni\" data-start=\"1086\" data-end=\"1145\"\u003eApplication: Motor Circuits, General Circuit Protection\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"1152\" data-end=\"1180\"\u003e\u003cstrong data-start=\"1152\" data-end=\"1180\"\u003eTechnical Specifications\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"1182\" data-end=\"1339\"\u003e\n\u003cli data-section-id=\"rqw73v\" data-start=\"1182\" data-end=\"1239\"\u003eTime-Delay Function: Supports inrush current handling\u003c\/li\u003e\n\u003cli data-section-id=\"cj5arr\" data-start=\"1240\" data-end=\"1284\"\u003eConstruction Type: Industrial Grade Fuse\u003c\/li\u003e\n\u003cli data-section-id=\"fs7089\" data-start=\"1285\" data-end=\"1313\"\u003ePackaging Type: Standard\u003c\/li\u003e\n\u003cli data-section-id=\"k9iwt6\" data-start=\"1314\" data-end=\"1339\"\u003eCompliance: CE Marked\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"1346\" data-end=\"1366\"\u003e\u003cstrong data-start=\"1346\" data-end=\"1366\"\u003ePhysical Details\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"1368\" data-end=\"1457\"\u003e\n\u003cli data-section-id=\"14vs2q4\" data-start=\"1368\" data-end=\"1402\"\u003eProduct Length\/Depth: 11.63 in\u003c\/li\u003e\n\u003cli data-section-id=\"1flfi0m\" data-start=\"1403\" data-end=\"1430\"\u003eProduct Height: 2.59 in\u003c\/li\u003e\n\u003cli data-section-id=\"1tsprcf\" data-start=\"1431\" data-end=\"1457\"\u003eProduct Width: 2.59 in\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"1464\" data-end=\"1480\"\u003e\u003cstrong data-start=\"1464\" data-end=\"1480\"\u003eProduct Data\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"1482\" data-end=\"1672\" data-is-last-node=\"\" data-is-only-node=\"\"\u003e\n\u003cli data-section-id=\"1y8y66g\" data-start=\"1482\" data-end=\"1514\"\u003eManufacturer: Eaton Bussmann\u003c\/li\u003e\n\u003cli data-section-id=\"s6va4f\" data-start=\"1515\" data-end=\"1536\"\u003eUPC: 051712508537\u003c\/li\u003e\n\u003cli data-section-id=\"jgvug\" data-start=\"1537\" data-end=\"1564\"\u003eModel Number: FRS-R-400\u003c\/li\u003e\n\u003cli data-section-id=\"g6wu6r\" data-start=\"1565\" data-end=\"1584\"\u003eCategory: Fuses\u003c\/li\u003e\n\u003cli data-section-id=\"1oeyg12\" data-start=\"1585\" data-end=\"1616\"\u003eSubcategory: Class RK5 Fuse\u003c\/li\u003e\n\u003cli data-section-id=\"5h9gov\" data-start=\"1617\" data-end=\"1645\"\u003eProduct Weight: 0.001 lb\u003c\/li\u003e\n\u003cli data-section-id=\"1lc1dzt\" data-start=\"1646\" data-end=\"1672\" 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":48343740481785,"sku":"FRS-R-400","price":155.4,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0750\/7810\/7385\/files\/401_85784750-32bf-4977-8aa3-158f4685b9e4.jpg?v=1777709343","url":"https:\/\/mycircuitbreakers.com\/products\/eaton-bussmann-frs-r-400-400a-dual-element-fuse-class-rk5-600vac-300vdc-blade-end","provider":"My Circuit Breakers","version":"1.0","type":"link"}