{"product_id":"eaton-bussmann-lps-rk-400spi-400a-class-rk1-time-delay-fuse-blade-end-connection","title":"Eaton Bussmann LPS-RK-400SPI 400A 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-b941-44eeb6cb23a1-1\" data-testid=\"conversation-turn-386\" 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=\"6a58f6cd-8fbb-4491-9bfb-57cff5af2bb1\" 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=\"141\" data-end=\"787\"\u003eThe Eaton Bussmann LPS-RK-400SPI 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 400A 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. This version includes an indicator for quick fault identification along with an electrically isolated end cap for enhanced safety and maintenance efficiency.\u003c\/p\u003e\n\u003cp data-start=\"794\" data-end=\"816\"\u003e\u003cstrong data-start=\"794\" data-end=\"816\"\u003eVoltage and Rating\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"818\" data-end=\"968\"\u003e\n\u003cli data-section-id=\"1bfn19q\" data-start=\"818\" data-end=\"842\"\u003eCurrent Rating: 400A\u003c\/li\u003e\n\u003cli data-section-id=\"19fnnng\" data-start=\"843\" data-end=\"879\"\u003eVoltage Rating: 600 Vac, 300 Vdc\u003c\/li\u003e\n\u003cli data-section-id=\"1yqc4qj\" data-start=\"880\" data-end=\"942\"\u003eInterrupt Rating: 300 kAIC at 600 Vac, 100 kAIC at 300 Vdc\u003c\/li\u003e\n\u003cli data-section-id=\"fwlriw\" data-start=\"943\" data-end=\"968\"\u003eFuse Class: Class RK1\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"975\" data-end=\"997\"\u003e\u003cstrong data-start=\"975\" data-end=\"997\"\u003eKey Specifications\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"999\" data-end=\"1332\"\u003e\n\u003cli data-section-id=\"1y8y66g\" data-start=\"999\" data-end=\"1031\"\u003eManufacturer: Eaton Bussmann\u003c\/li\u003e\n\u003cli data-section-id=\"h7o2ml\" data-start=\"1032\" data-end=\"1065\"\u003eCatalog Number: LPS-RK-400SPI\u003c\/li\u003e\n\u003cli data-section-id=\"16ai4ub\" data-start=\"1066\" data-end=\"1088\"\u003eProduct Type: Fuse\u003c\/li\u003e\n\u003cli data-section-id=\"ibzqig\" data-start=\"1089\" data-end=\"1132\"\u003eFuse Type: Time-delay, Current-limiting\u003c\/li\u003e\n\u003cli data-section-id=\"1m5p6cu\" data-start=\"1133\" data-end=\"1161\"\u003eNumber of Elements: Dual\u003c\/li\u003e\n\u003cli data-section-id=\"1iqvpw2\" data-start=\"1162\" data-end=\"1196\"\u003eFuse Indicator: With Indicator\u003c\/li\u003e\n\u003cli data-section-id=\"1ym0rqj\" data-start=\"1197\" data-end=\"1247\"\u003eSpecial Feature: Electrically isolated end cap\u003c\/li\u003e\n\u003cli data-section-id=\"exxroj\" data-start=\"1248\" data-end=\"1290\"\u003eConnection Type: Blade End x Blade End\u003c\/li\u003e\n\u003cli data-section-id=\"k9iwt6\" data-start=\"1291\" data-end=\"1316\"\u003eCompliance: CE Marked\u003c\/li\u003e\n\u003cli data-section-id=\"14xmggv\" data-start=\"1317\" data-end=\"1332\"\u003eQuantity: 1\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"1339\" data-end=\"1359\"\u003e\u003cstrong data-start=\"1339\" data-end=\"1359\"\u003ePhysical Details\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"1361\" data-end=\"1506\"\u003e\n\u003cli data-section-id=\"14vs2q4\" data-start=\"1361\" data-end=\"1395\"\u003eProduct Length\/Depth: 11.63 in\u003c\/li\u003e\n\u003cli data-section-id=\"13ngiov\" data-start=\"1396\" data-end=\"1423\"\u003eProduct Height: 2.36 in\u003c\/li\u003e\n\u003cli data-section-id=\"18t7a86\" data-start=\"1424\" data-end=\"1450\"\u003eProduct Width: 2.36 in\u003c\/li\u003e\n\u003cli data-section-id=\"7hxh98\" data-start=\"1451\" data-end=\"1477\"\u003eProduct Weight: 4.6 lb\u003c\/li\u003e\n\u003cli data-section-id=\"fs7089\" data-start=\"1478\" data-end=\"1506\"\u003ePackaging Type: Standard\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"1513\" data-end=\"1529\"\u003e\u003cstrong data-start=\"1513\" data-end=\"1529\"\u003eProduct Data\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"1531\" data-end=\"1710\" data-is-last-node=\"\" data-is-only-node=\"\"\u003e\n\u003cli data-section-id=\"d6lb1t\" data-start=\"1531\" data-end=\"1552\"\u003eUPC: 051712627436\u003c\/li\u003e\n\u003cli data-section-id=\"1mfdvy1\" data-start=\"1553\" data-end=\"1594\"\u003eCategory: Industrial Time-Delay Fuses\u003c\/li\u003e\n\u003cli data-section-id=\"nxb243\" data-start=\"1595\" data-end=\"1683\"\u003eApplication: Motor circuits, transformers, and industrial power distribution systems\u003c\/li\u003e\n\u003cli data-section-id=\"1lc1dzt\" data-start=\"1684\" data-end=\"1710\" 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":48354608906489,"sku":"LPS-RK-400SPI","price":231.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0750\/7810\/7385\/files\/LPS-RK-400SPI_C.jpg?v=1777972808","url":"https:\/\/mycircuitbreakers.com\/products\/eaton-bussmann-lps-rk-400spi-400a-class-rk1-time-delay-fuse-blade-end-connection","provider":"My Circuit Breakers","version":"1.0","type":"link"}