{"product_id":"square-d-fa341001021-circuit-breaker","title":"Square D | FA341001021 | Circuit Breaker | 100A | 3-Pole | 480V","description":"\u003cdiv\u003e\n\u003cp\u003eMeet the Square D FA341001021 circuit breaker—a precise 100-amp, 3-pole protection device engineered for 480V systems. Built for maintenance, retrofit, and replacement tasks, this breaker slots into compatible Square D panels with confidence, helping you keep critical equipment online with minimal downtime.\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eKey specifications\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eAmperage: 100A\u003c\/li\u003e \u003cli\u003ePoles: 3-Pole\u003c\/li\u003e \u003cli\u003eVoltage rating: 480V\u003c\/li\u003e \u003cli\u003ePart number: FA341001021\u003c\/li\u003e \u003cli\u003eBrand: Square D\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003eWhat makes this breaker stand out\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eUnlike generic equivalents, this FA341001021 model is matched to specific Square D configurations, simplifying ordering and installation. The three-pole format supports 3-phase protection in larger electrical panels, delivering coordinated protection across all three live conductors at the required 480V level.\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eBest-use scenarios\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eRetrofit projects in industrial or commercial facilities upgrading from older protection devices\u003c\/li\u003e \u003cli\u003eMaintenance replacements in service entrances and distribution panels that require 100A protection\u003c\/li\u003e \u003cli\u003eNew installations in systems that run at 480V three-phase power, where a reliable, compatible 3-pole breaker is needed\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003eHow to ensure a proper fit\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eFor accurate compatibility, use the part number FA341001021 as your primary reference. Confirm that the panel or enclosure requires a 100A, 3-pole, 480V protection device, and verify the schematics or labeling on the existing equipment before ordering.\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003ePractical considerations\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eKeep the exact part number handy in your maintenance log to simplify future replenishment.\u003c\/li\u003e \u003cli\u003eWhen replacing, follow your facility's safety protocols: disconnect power, verify absence of voltage, and consult the equipment manual for installation steps.\u003c\/li\u003e \u003cli\u003eConsider stocking a spare FA341001021 in your service inventory to reduce downtime during scheduled outages.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eInvest in a proven protection solution that aligns with Square D panel ecosystems—the FA341001021 delivers dependable overload and short-circuit protection for 3-phase, 480V systems, with a straightforward reference point for procurement and compatibility.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Square D","offers":[{"title":"Default Title","offer_id":46424832245922,"sku":"FA341001021","price":310.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/square-d-fa341001021-circuit-breaker-100a-3-pole-480v-476.webp?v=1789417237","url":"https:\/\/www.ampstate.com\/products\/square-d-fa341001021-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}