{"product_id":"littelfuse-llsrk225id-225a-class-rk1-time-delay-fuse-knife-blade-indicating-600vac-300vdc","title":"Littelfuse LLSRK225ID 225A Class RK1 Time-Delay Fuse – Knife-Blade – Indicating – 600VAC\/300VDC","description":"\u003cdiv class=\"qMYqUG_convSearchResultHighlightRoot\"\u003e\n\u003cdiv class=\"\" data-turn-id-container=\"request-6a1f323c-2a20-83e9-8b58-c63ec25e47b5-10\" data-is-intersecting=\"true\"\u003e\n\u003csection class=\"text-token-text-primary w-full focus:outline-none has-data-writing-block:pointer-events-none [\u0026amp;:has([data-writing-block])\u0026gt;*]:pointer-events-auto 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-6a1f323c-2a20-83e9-8b58-c63ec25e47b5-10\" data-turn-id-container=\"request-6a1f323c-2a20-83e9-8b58-c63ec25e47b5-10\" 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=\"dfb11c9b-acc1-4d98-afeb-cb25cd43ea71\" 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 wrap-break-word w-full dark markdown-new-styling\"\u003e\n\u003cp data-start=\"101\" data-end=\"622\"\u003eThe Littelfuse LLSRK225ID is a next-generation Class RK1 time-delay fuse designed for enhanced protection, reliability, and maintenance efficiency in modern electrical systems. Part of the LLSRK_ID series, it incorporates Indicator™ technology that provides instant visual confirmation of a blown fuse, helping reduce downtime and simplify troubleshooting. Its solid-state overload section and precision-formed short-circuit elements improve performance and reduce mechanical fatigue compared to traditional fuse designs.\u003c\/p\u003e\n\u003ch3 data-section-id=\"yc43s8\" data-start=\"624\" data-end=\"646\"\u003eVoltage and Rating\u003c\/h3\u003e\n\u003cul data-start=\"647\" data-end=\"796\"\u003e\n\u003cli data-section-id=\"1crzq9y\" data-start=\"647\" data-end=\"673\"\u003eCurrent Rating: 225 Amps\u003c\/li\u003e\n\u003cli data-section-id=\"10uce35\" data-start=\"674\" data-end=\"704\"\u003eVoltage Rating: 600 Volts AC\u003c\/li\u003e\n\u003cli data-section-id=\"9fd05y\" data-start=\"705\" data-end=\"738\"\u003eDC Voltage Rating: 300 Volts DC\u003c\/li\u003e\n\u003cli data-section-id=\"1cuenj9\" data-start=\"739\" data-end=\"796\"\u003eInterrupting Rating: 200 kA AIR (up to 20 kA @ 300 VDC)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-section-id=\"uvdx3z\" data-start=\"798\" data-end=\"820\"\u003eKey Specifications\u003c\/h3\u003e\n\u003cul data-start=\"821\" data-end=\"1059\"\u003e\n\u003cli data-section-id=\"1q9ettr\" data-start=\"821\" data-end=\"854\"\u003eFuse Type: Time-Delay (Slo-Blo)\u003c\/li\u003e\n\u003cli data-section-id=\"1unc7hb\" data-start=\"855\" data-end=\"878\"\u003eFuse Class: Class RK1\u003c\/li\u003e\n\u003cli data-section-id=\"k4fsuj\" data-start=\"879\" data-end=\"907\"\u003eMounting Type: Knife-Blade\u003c\/li\u003e\n\u003cli data-section-id=\"vevenl\" data-start=\"908\" data-end=\"926\"\u003eSeries: LLSRK_ID\u003c\/li\u003e\n\u003cli data-section-id=\"1ndeurz\" data-start=\"927\" data-end=\"964\"\u003eIndicating: Yes (Indicator™ window)\u003c\/li\u003e\n\u003cli data-section-id=\"jracq7\" data-start=\"965\" data-end=\"1059\"\u003eApplication: Industrial power distribution, motor protection, and general circuit protection\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-section-id=\"nucr17\" data-start=\"1061\" data-end=\"1089\"\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cul data-start=\"1090\" data-end=\"1411\"\u003e\n\u003cli data-section-id=\"1man21i\" data-start=\"1090\" data-end=\"1126\"\u003eOpening Characteristic: Time-Delay\u003c\/li\u003e\n\u003cli data-section-id=\"hdskf5\" data-start=\"1127\" data-end=\"1150\"\u003eCurrent Limiting: Yes\u003c\/li\u003e\n\u003cli data-section-id=\"1izn0e4\" data-start=\"1151\" data-end=\"1185\"\u003eInterrupt Amperage: 200,000 Amps\u003c\/li\u003e\n\u003cli data-section-id=\"1d10dtl\" data-start=\"1186\" data-end=\"1248\"\u003eConstruction: Solid-state overload section (no moving parts)\u003c\/li\u003e\n\u003cli data-section-id=\"c5iwun\" data-start=\"1249\" data-end=\"1331\"\u003eShort-Circuit Protection: Precision formed elements for reduced equipment damage\u003c\/li\u003e\n\u003cli data-section-id=\"maqw70\" data-start=\"1332\" data-end=\"1411\"\u003eVisual Indicator: Blown fuse indication window for quick fault identification\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-section-id=\"1aljov1\" data-start=\"1413\" data-end=\"1429\"\u003eProduct Data\u003c\/h3\u003e\n\u003cul data-start=\"1430\" data-end=\"1516\"\u003e\n\u003cli data-section-id=\"1xtv818\" data-start=\"1430\" data-end=\"1456\"\u003eManufacturer: Littelfuse\u003c\/li\u003e\n\u003cli data-section-id=\"m80d70\" data-start=\"1457\" data-end=\"1483\"\u003eModel Number: LLSRK225ID\u003c\/li\u003e\n\u003cli data-section-id=\"1v5nj8t\" data-start=\"1484\" data-end=\"1516\"\u003eSeries: LLSRK_ID POWR-PRO® RK1\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-section-id=\"19zqy0x\" data-start=\"1518\" data-end=\"1530\"\u003eFeatures\u003c\/h3\u003e\n\u003cul data-start=\"1531\" data-end=\"1894\" data-is-last-node=\"\" data-is-only-node=\"\"\u003e\n\u003cli data-section-id=\"1o3zpg2\" data-start=\"1531\" data-end=\"1587\"\u003eIndicator™ technology for instant blown-fuse detection\u003c\/li\u003e\n\u003cli data-section-id=\"1k7n1qv\" data-start=\"1588\" data-end=\"1634\"\u003eHelps reduce downtime and maintenance effort\u003c\/li\u003e\n\u003cli data-section-id=\"16r64p6\" data-start=\"1635\" data-end=\"1706\"\u003eSuperior time-delay and cycling performance reduces nuisance openings\u003c\/li\u003e\n\u003cli data-section-id=\"uefdjc\" data-start=\"1707\" data-end=\"1760\"\u003eExtremely current-limiting for equipment protection\u003c\/li\u003e\n\u003cli data-section-id=\"1wnrzvi\" data-start=\"1761\" data-end=\"1830\"\u003eDesigned for broad application use to reduce inventory requirements\u003c\/li\u003e\n\u003cli data-section-id=\"i98pwh\" data-start=\"1831\" data-end=\"1894\" data-is-last-node=\"\"\u003eIdeal for modern industrial and commercial electrical systems\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\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Littelfuse","offers":[{"title":"NEW","offer_id":48478359093497,"sku":"LLSRK225ID","price":207.2,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0750\/7810\/7385\/files\/1280_wfQv4ZiU1yO31ULh.jpg?v=1780436691","url":"https:\/\/mycircuitbreakers.com\/products\/littelfuse-llsrk225id-225a-class-rk1-time-delay-fuse-knife-blade-indicating-600vac-300vdc","provider":"My Circuit Breakers","version":"1.0","type":"link"}