{"product_id":"eaton-bussmann-lps-rk-450sp-450a-class-rk1-time-delay-fuse-blade-end-connection","title":"Eaton Bussmann LPS-RK-450SP 450A Class RK1 Time-Delay Fuse – Blade End Connection","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-b941-44eeb6cb23a1-2\" data-testid=\"conversation-turn-388\" 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=\"f60f23b1-9067-4d9c-8841-2de8c4ba013e\" 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=\"140\" data-end=\"763\"\u003eThe Eaton Bussmann LPS-RK-450SP is a Class RK1 time-delay, current-limiting fuse designed for reliable overcurrent and short-circuit protection in industrial and commercial electrical systems. With a 450A rating, it is ideal for heavy-duty applications such as motors, transformers, and large power distribution systems with high inrush currents. Its dual-element construction allows temporary overload conditions while ensuring fast fault-clearing performance for enhanced system protection. This version features an electrically isolated end cap for improved safety and installation reliability.\u003c\/p\u003e\n\u003cp data-start=\"770\" data-end=\"792\"\u003e\u003cstrong data-start=\"770\" data-end=\"792\"\u003eVoltage and Rating\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"794\" data-end=\"944\"\u003e\n\u003cli data-section-id=\"1bdhbxn\" data-start=\"794\" data-end=\"818\"\u003eCurrent Rating: 450A\u003c\/li\u003e\n\u003cli data-section-id=\"19fnnng\" data-start=\"819\" data-end=\"855\"\u003eVoltage Rating: 600 Vac, 300 Vdc\u003c\/li\u003e\n\u003cli data-section-id=\"1yqc4qj\" data-start=\"856\" data-end=\"918\"\u003eInterrupt Rating: 300 kAIC at 600 Vac, 100 kAIC at 300 Vdc\u003c\/li\u003e\n\u003cli data-section-id=\"fwlriw\" data-start=\"919\" data-end=\"944\"\u003eFuse Class: Class RK1\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"951\" data-end=\"973\"\u003e\u003cstrong data-start=\"951\" data-end=\"973\"\u003eKey Specifications\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"975\" data-end=\"1307\"\u003e\n\u003cli data-section-id=\"1y8y66g\" data-start=\"975\" data-end=\"1007\"\u003eManufacturer: Eaton Bussmann\u003c\/li\u003e\n\u003cli data-section-id=\"b3jqqp\" data-start=\"1008\" data-end=\"1040\"\u003eCatalog Number: LPS-RK-450SP\u003c\/li\u003e\n\u003cli data-section-id=\"16ai4ub\" data-start=\"1041\" data-end=\"1063\"\u003eProduct Type: Fuse\u003c\/li\u003e\n\u003cli data-section-id=\"ibzqig\" data-start=\"1064\" data-end=\"1107\"\u003eFuse Type: Time-delay, Current-limiting\u003c\/li\u003e\n\u003cli data-section-id=\"1m5p6cu\" data-start=\"1108\" data-end=\"1136\"\u003eNumber of Elements: Dual\u003c\/li\u003e\n\u003cli data-section-id=\"17t6shb\" data-start=\"1137\" data-end=\"1171\"\u003eFuse Indicator: Non-indicating\u003c\/li\u003e\n\u003cli data-section-id=\"1ym0rqj\" data-start=\"1172\" data-end=\"1222\"\u003eSpecial Feature: Electrically isolated end cap\u003c\/li\u003e\n\u003cli data-section-id=\"exxroj\" data-start=\"1223\" data-end=\"1265\"\u003eConnection Type: Blade End x Blade End\u003c\/li\u003e\n\u003cli data-section-id=\"k9iwt6\" data-start=\"1266\" data-end=\"1291\"\u003eCompliance: CE Marked\u003c\/li\u003e\n\u003cli data-section-id=\"14xmggv\" data-start=\"1292\" data-end=\"1307\"\u003eQuantity: 1\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"1314\" data-end=\"1334\"\u003e\u003cstrong data-start=\"1314\" data-end=\"1334\"\u003ePhysical Details\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"1336\" data-end=\"1481\"\u003e\n\u003cli data-section-id=\"1knzpuo\" data-start=\"1336\" data-end=\"1370\"\u003eProduct Length\/Depth: 13.38 in\u003c\/li\u003e\n\u003cli data-section-id=\"1409g2i\" data-start=\"1371\" data-end=\"1398\"\u003eProduct Height: 2.88 in\u003c\/li\u003e\n\u003cli data-section-id=\"11th5vn\" data-start=\"1399\" data-end=\"1425\"\u003eProduct Width: 2.88 in\u003c\/li\u003e\n\u003cli data-section-id=\"kmxaf1\" data-start=\"1426\" data-end=\"1452\"\u003eProduct Weight: 5.6 lb\u003c\/li\u003e\n\u003cli data-section-id=\"fs7089\" data-start=\"1453\" data-end=\"1481\"\u003ePackaging Type: Standard\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"1488\" data-end=\"1504\"\u003e\u003cstrong data-start=\"1488\" data-end=\"1504\"\u003eProduct Data\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"1506\" data-end=\"1685\" data-is-last-node=\"\" data-is-only-node=\"\"\u003e\n\u003cli data-section-id=\"dxw76l\" data-start=\"1506\" data-end=\"1527\"\u003eUPC: 051712548564\u003c\/li\u003e\n\u003cli data-section-id=\"1mfdvy1\" data-start=\"1528\" data-end=\"1569\"\u003eCategory: Industrial Time-Delay Fuses\u003c\/li\u003e\n\u003cli data-section-id=\"nxb243\" data-start=\"1570\" data-end=\"1658\"\u003eApplication: Motor circuits, transformers, and industrial power distribution systems\u003c\/li\u003e\n\u003cli data-section-id=\"1lc1dzt\" data-start=\"1659\" data-end=\"1685\" 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":48354613559545,"sku":"LPS-RK-450SP","price":310.8,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0750\/7810\/7385\/files\/LPS-RK-400SPI_C_39d2e174-9543-4ce3-9bef-e437070b34e4.jpg?v=1777972994","url":"https:\/\/mycircuitbreakers.com\/products\/eaton-bussmann-lps-rk-450sp-450a-class-rk1-time-delay-fuse-blade-end-connection","provider":"My Circuit Breakers","version":"1.0","type":"link"}