{"product_id":"square-d-fa34100-100a-3-pole-molded-case-circuit-breaker-i-line-mount-480vac","title":"Square D FA34100 100A 3 Pole Molded Case Circuit Breaker – I-Line Mount – 480VAC","description":"\u003cdiv class=\"qMYqUG_convSearchResultHighlightRoot\"\u003e\n\u003cdiv class=\"\" data-turn-id-container=\"request-6a0c5d39-1a40-8322-b54e-8422d8f7856e-13\" data-is-intersecting=\"true\"\u003e\n\u003cdiv class=\"relative w-full overflow-visible\"\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-6a0c5d39-1a40-8322-b54e-8422d8f7856e-13\" data-turn-id-container=\"request-6a0c5d39-1a40-8322-b54e-8422d8f7856e-13\" data-testid=\"conversation-turn-30\" 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=\"60d48dc5-85fe-422f-9c6f-246b91ce20ea\" dir=\"auto\" data-message-model-slug=\"gpt-5-5\" 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=\"160\" data-end=\"898\"\u003eThe FA34100 by \u003cspan class=\"hover:entity-accent entity-underline inline cursor-pointer align-baseline\"\u003e\u003cspan class=\"whitespace-normal\"\u003eSquare D\u003c\/span\u003e\u003c\/span\u003e is a high-performance molded case circuit breaker engineered for dependable protection in industrial and commercial electrical distribution systems. Built with an FA I-Line frame style and a thermal magnetic non-interchangeable trip unit, this breaker delivers reliable overload and short-circuit protection for demanding applications. Its plug-in I-Line mounting configuration allows for quick installation and simplified maintenance, while the rugged molded case construction ensures long-lasting operational durability. With a 100-amp rating and 3-pole configuration, the FA34100 is ideal for three-phase power distribution systems requiring stable and efficient circuit protection.\u003c\/p\u003e\n\u003ch2 data-section-id=\"1wc2bmo\" data-start=\"905\" data-end=\"932\"\u003eProduct Specifications\u003c\/h2\u003e\n\u003cul data-start=\"933\" data-end=\"1351\"\u003e\n\u003cli data-section-id=\"1ii30bw\" data-start=\"933\" data-end=\"952\"\u003eBrand: Square D\u003c\/li\u003e\n\u003cli data-section-id=\"zdsj9o\" data-start=\"953\" data-end=\"971\"\u003eModel: FA34100\u003c\/li\u003e\n\u003cli data-section-id=\"c7nu5h\" data-start=\"972\" data-end=\"1017\"\u003eProduct Type: Molded Case Circuit Breaker\u003c\/li\u003e\n\u003cli data-section-id=\"1a4k1sk\" data-start=\"1018\" data-end=\"1046\"\u003eFrame Style: FA (I-Line)\u003c\/li\u003e\n\u003cli data-section-id=\"hx9wr5\" data-start=\"1047\" data-end=\"1064\"\u003eFrame Type: F\u003c\/li\u003e\n\u003cli data-section-id=\"7epll8\" data-start=\"1065\" data-end=\"1121\"\u003eTrip Unit Type: Thermal Magnetic Non-Interchangeable\u003c\/li\u003e\n\u003cli data-section-id=\"1r4jfmu\" data-start=\"1122\" data-end=\"1157\"\u003eMounting Type: Plug-In \/ I-Line\u003c\/li\u003e\n\u003cli data-section-id=\"1m0wbrk\" data-start=\"1158\" data-end=\"1186\"\u003eAmperage Rating: 100 Amp\u003c\/li\u003e\n\u003cli data-section-id=\"1mjvejc\" data-start=\"1187\" data-end=\"1214\"\u003eNumber of Poles: 3 Pole\u003c\/li\u003e\n\u003cli data-section-id=\"1gofju0\" data-start=\"1215\" data-end=\"1238\"\u003eFrequency: 50\/60 Hz\u003c\/li\u003e\n\u003cli data-section-id=\"1h1328s\" data-start=\"1239\" data-end=\"1275\"\u003eTerminal Type: Load End Standard\u003c\/li\u003e\n\u003cli data-section-id=\"1m9p700\" data-start=\"1276\" data-end=\"1303\"\u003eVoltage Maximum: 480VAC\u003c\/li\u003e\n\u003cli data-section-id=\"1pruqjc\" data-start=\"1304\" data-end=\"1324\"\u003eWarranty: 1 Year\u003c\/li\u003e\n\u003cli data-section-id=\"19mqscg\" data-start=\"1325\" data-end=\"1351\"\u003eManufacturer: Square D\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 data-section-id=\"58xi60\" data-start=\"1358\" data-end=\"1387\"\u003eTechnical Specifications\u003c\/h2\u003e\n\u003cul data-start=\"1388\" data-end=\"1872\"\u003e\n\u003cli data-section-id=\"tb2vou\" data-start=\"1388\" data-end=\"1465\"\u003eThermal magnetic trip mechanism for overload and short-circuit protection\u003c\/li\u003e\n\u003cli data-section-id=\"1ajuuhc\" data-start=\"1466\" data-end=\"1538\"\u003eNon-interchangeable trip unit with fixed factory-calibrated settings\u003c\/li\u003e\n\u003cli data-section-id=\"1c40ja5\" data-start=\"1539\" data-end=\"1610\"\u003eHeavy-duty molded case construction for industrial-grade durability\u003c\/li\u003e\n\u003cli data-section-id=\"d9284m\" data-start=\"1611\" data-end=\"1688\"\u003ePlug-in I-Line mounting system for efficient installation and maintenance\u003c\/li\u003e\n\u003cli data-section-id=\"s1r5ta\" data-start=\"1689\" data-end=\"1749\"\u003eDesigned for three-phase electrical distribution systems\u003c\/li\u003e\n\u003cli data-section-id=\"1jdzxcp\" data-start=\"1750\" data-end=\"1820\"\u003eStandard load-end lug terminals for secure electrical connectivity\u003c\/li\u003e\n\u003cli data-section-id=\"1oxsd12\" data-start=\"1821\" data-end=\"1872\"\u003eRated for operation at 40°C ambient temperature\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 data-section-id=\"11flra0\" data-start=\"1879\" data-end=\"1903\"\u003eVoltage and Ratings\u003c\/h2\u003e\n\u003cul data-start=\"1904\" data-end=\"2121\"\u003e\n\u003cli data-section-id=\"t9d5dc\" data-start=\"1904\" data-end=\"1931\"\u003eMaximum Voltage: 480VAC\u003c\/li\u003e\n\u003cli data-section-id=\"1uc8xna\" data-start=\"1932\" data-end=\"1961\"\u003eDC Voltage Rating: 250VDC\u003c\/li\u003e\n\u003cli data-section-id=\"1r3mbiz\" data-start=\"1962\" data-end=\"2059\"\u003eInterrupting Capacity Ratings:\n\u003cul data-start=\"1999\" data-end=\"2059\"\u003e\n\u003cli data-section-id=\"100kf7r\" data-start=\"1999\" data-end=\"2017\"\u003e25kA @ 240 VAC\u003c\/li\u003e\n\u003cli data-section-id=\"1k6v7j7\" data-start=\"2020\" data-end=\"2038\"\u003e18kA @ 480 VAC\u003c\/li\u003e\n\u003cli data-section-id=\"no9mp1\" data-start=\"2041\" data-end=\"2059\"\u003e10kA @ 250 VDC\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1b109xf\" data-start=\"2060\" data-end=\"2090\"\u003eCurrent Rating: 100 Ampere\u003c\/li\u003e\n\u003cli data-section-id=\"lqk5xt\" data-start=\"2091\" data-end=\"2121\"\u003ePole Configuration: 3 Pole\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 data-section-id=\"165x1by\" data-start=\"2128\" data-end=\"2145\"\u003eProduct Data\u003c\/h2\u003e\n\u003cul data-start=\"2146\" data-end=\"2584\"\u003e\n\u003cli data-section-id=\"19mqscg\" data-start=\"2146\" data-end=\"2172\"\u003eManufacturer: Square D\u003c\/li\u003e\n\u003cli data-section-id=\"8iiphr\" data-start=\"2173\" data-end=\"2198\"\u003eModel Number: FA34100\u003c\/li\u003e\n\u003cli data-section-id=\"8hhd79\" data-start=\"2199\" data-end=\"2227\"\u003eConnection Type: Plug In\u003c\/li\u003e\n\u003cli data-section-id=\"1a4k1sk\" data-start=\"2228\" data-end=\"2256\"\u003eFrame Style: FA (I-Line)\u003c\/li\u003e\n\u003cli data-section-id=\"hx9wr5\" data-start=\"2257\" data-end=\"2274\"\u003eFrame Type: F\u003c\/li\u003e\n\u003cli data-section-id=\"16301ae\" data-start=\"2275\" data-end=\"2306\"\u003eLug Type: Load End Standard\u003c\/li\u003e\n\u003cli data-section-id=\"bdq5mf\" data-start=\"2307\" data-end=\"2350\"\u003eInterrupting Rating: 25kA \/ 18kA \/ 10kA\u003c\/li\u003e\n\u003cli data-section-id=\"8fjwmy\" data-start=\"2351\" data-end=\"2425\"\u003eApplication: Industrial and commercial electrical distribution systems\u003c\/li\u003e\n\u003cli data-section-id=\"tnclkp\" data-start=\"2426\" data-end=\"2475\"\u003eWarranty Coverage: One Year In-House Warranty\u003c\/li\u003e\n\u003cli data-section-id=\"wn309o\" data-start=\"2476\" data-end=\"2584\"\u003eWarranty Includes: Repairs, replacement parts, labor, and standard shipping required for recertification\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 data-section-id=\"rzxvn7\" data-start=\"2591\" data-end=\"2610\"\u003eImportant Note\u003c\/h2\u003e\n\u003cp data-start=\"2611\" data-end=\"3056\" data-is-last-node=\"\" data-is-only-node=\"\"\u003eThe product image shown represents a base model and is intended for identification purposes only. Accessories purchased with the breaker can be installed at no additional cost when configuration details are provided during checkout. The included one-year in-house warranty covers repairs, labor, replacement parts, and standard shipping required for recertification, excluding damage caused by misuse, improper handling, or normal wear and tear.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"mt-3 w-full empty:hidden\"\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Square D","offers":[{"title":"New Surplus","offer_id":48433170120953,"sku":"FA34100-NS","price":1299.0,"currency_code":"USD","in_stock":true},{"title":"Certified Reconditioned","offer_id":48433170153721,"sku":"FA34101-CR","price":799.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0750\/7810\/7385\/files\/FA34100.webp?v=1779519392","url":"https:\/\/mycircuitbreakers.com\/products\/square-d-fa34100-100a-3-pole-molded-case-circuit-breaker-i-line-mount-480vac","provider":"My Circuit Breakers","version":"1.0","type":"link"}