{"product_id":"littelfuse-ldc1800-1800a-class-l-fast-acting-fuse-bolt-in-600vac-dc","title":"Littelfuse LDC1800 1800A Class L Fast-Acting Fuse – Bolt-In – 600VAC\/DC","description":"\u003cdiv class=\"qMYqUG_convSearchResultHighlightRoot\"\u003e\n\u003cdiv class=\"\" data-turn-id-container=\"request-6a1f323c-2a20-83e9-8b58-c63ec25e47b5-3\" 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-c63ec25e47b5-3\" data-turn-id-container=\"request-6a1f323c-2a20-83e9-8b58-c63ec25e47b5-3\" data-testid=\"conversation-turn-38\" 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=\"a56cd53b-d4ae-4976-a93e-aad4bae9383b\" 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=\"77\" data-end=\"559\"\u003eThe Littelfuse LDC1800 POWR-PRO® Class L fuse is a high-capacity fast-acting fuse designed for dual AC and DC protection in demanding industrial and transportation power systems. As part of the LDC series, it is the first UL Listed Class L fuse rated for both 600V AC and DC, helping prevent misapplication of AC-only fuses in DC circuits. It is widely used in heavy industrial distribution, crane rail systems, and mass transit applications requiring high interrupting performance.\u003c\/p\u003e\n\u003ch3 data-section-id=\"yc43s8\" data-start=\"561\" data-end=\"583\"\u003eVoltage and Rating\u003c\/h3\u003e\n\u003cul data-start=\"584\" data-end=\"757\"\u003e\n\u003cli data-section-id=\"1b0zzq2\" data-start=\"584\" data-end=\"611\"\u003eCurrent Rating: 1800 Amps\u003c\/li\u003e\n\u003cli data-section-id=\"10uce35\" data-start=\"612\" data-end=\"642\"\u003eVoltage Rating: 600 Volts AC\u003c\/li\u003e\n\u003cli data-section-id=\"1ik3ulv\" data-start=\"643\" data-end=\"676\"\u003eDC Voltage Rating: 600 Volts DC\u003c\/li\u003e\n\u003cli data-section-id=\"mjsagt\" data-start=\"677\" data-end=\"717\"\u003eInterrupting Rating: 200 kA at 600 VAC\u003c\/li\u003e\n\u003cli data-section-id=\"14vl5n3\" data-start=\"718\" data-end=\"757\"\u003eInterrupting Rating: 50 kA at 600 VDC\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-section-id=\"uvdx3z\" data-start=\"759\" data-end=\"781\"\u003eKey Specifications\u003c\/h3\u003e\n\u003cul data-start=\"782\" data-end=\"993\"\u003e\n\u003cli data-section-id=\"s5ssk4\" data-start=\"782\" data-end=\"806\"\u003eFuse Type: Fast-Acting\u003c\/li\u003e\n\u003cli data-section-id=\"8xjra3\" data-start=\"807\" data-end=\"828\"\u003eFuse Class: Class L\u003c\/li\u003e\n\u003cli data-section-id=\"av5m48\" data-start=\"829\" data-end=\"853\"\u003eMounting Type: Bolt-In\u003c\/li\u003e\n\u003cli data-section-id=\"718y6u\" data-start=\"854\" data-end=\"877\"\u003eSeries: LDC POWR-PRO®\u003c\/li\u003e\n\u003cli data-section-id=\"1kg3zws\" data-start=\"878\" data-end=\"907\"\u003eFamily Style: Powr-Pro Fuse\u003c\/li\u003e\n\u003cli data-section-id=\"1exyonp\" data-start=\"908\" data-end=\"993\"\u003eApplication: AC\/DC industrial power systems, transit, and heavy-duty infrastructure\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-section-id=\"nucr17\" data-start=\"995\" data-end=\"1023\"\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cul data-start=\"1024\" data-end=\"1330\"\u003e\n\u003cli data-section-id=\"qiwjk0\" data-start=\"1024\" data-end=\"1061\"\u003eOpening Characteristic: Fast-Acting\u003c\/li\u003e\n\u003cli data-section-id=\"hdskf5\" data-start=\"1062\" data-end=\"1085\"\u003eCurrent Limiting: Yes\u003c\/li\u003e\n\u003cli data-section-id=\"1izn0e4\" data-start=\"1086\" data-end=\"1120\"\u003eInterrupt Amperage: 200,000 Amps\u003c\/li\u003e\n\u003cli data-section-id=\"qignzx\" data-start=\"1121\" data-end=\"1183\"\u003eDC Capability: Tested for extended time constant performance\u003c\/li\u003e\n\u003cli data-section-id=\"jt8p90\" data-start=\"1184\" data-end=\"1261\"\u003eConstruction: Heavy-duty industrial fuse design for high fault environments\u003c\/li\u003e\n\u003cli data-section-id=\"ms4ves\" data-start=\"1262\" data-end=\"1330\"\u003eSafety Feature: Eliminates risk of AC-only fuse use in DC circuits\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-section-id=\"1aljov1\" data-start=\"1332\" data-end=\"1348\"\u003eProduct Data\u003c\/h3\u003e\n\u003cul data-start=\"1349\" data-end=\"1423\"\u003e\n\u003cli data-section-id=\"1xtv818\" data-start=\"1349\" data-end=\"1375\"\u003eManufacturer: Littelfuse\u003c\/li\u003e\n\u003cli data-section-id=\"11v0rcs\" data-start=\"1376\" data-end=\"1399\"\u003eModel Number: LDC1800\u003c\/li\u003e\n\u003cli data-section-id=\"718y6u\" data-start=\"1400\" data-end=\"1423\"\u003eSeries: LDC POWR-PRO®\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-section-id=\"19zqy0x\" data-start=\"1425\" data-end=\"1437\"\u003eFeatures\u003c\/h3\u003e\n\u003cul data-start=\"1438\" data-end=\"1745\" data-is-last-node=\"\" data-is-only-node=\"\"\u003e\n\u003cli data-section-id=\"1e3fjz2\" data-start=\"1438\" data-end=\"1486\"\u003eFirst UL Listed 600V AC\/DC Class L fuse series\u003c\/li\u003e\n\u003cli data-section-id=\"hp8oph\" data-start=\"1487\" data-end=\"1553\"\u003eExtremely high interrupting capacity for severe fault conditions\u003c\/li\u003e\n\u003cli data-section-id=\"1eyq199\" data-start=\"1554\" data-end=\"1623\"\u003eSuitable for crane rail, mass transit, and heavy industrial systems\u003c\/li\u003e\n\u003cli data-section-id=\"bnu76b\" data-start=\"1624\" data-end=\"1687\"\u003eStrong current-limiting protection to reduce equipment damage\u003c\/li\u003e\n\u003cli data-section-id=\"bfurt1\" data-start=\"1688\" data-end=\"1745\" data-is-last-node=\"\"\u003eReliable operation under both AC and DC fault scenarios\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":48478330716409,"sku":"LDC1800","price":1318.26,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0750\/7810\/7385\/files\/1280_kjmuooy9cQO942ok.jpg?v=1780435389","url":"https:\/\/mycircuitbreakers.com\/products\/littelfuse-ldc1800-1800a-class-l-fast-acting-fuse-bolt-in-600vac-dc","provider":"My Circuit Breakers","version":"1.0","type":"link"}