{"product_id":"square-d-fa360451021-circuit-breaker","title":"Square D | FA360451021 | Circuit Breaker | 3-Pole","description":"\u003cdiv\u003e\n\u003cp\u003eMeet the Square D FA360451021 3-Pole Circuit Breaker — a robust, purpose-built device for protecting 3-phase electrical circuits in maintenance, retrofit, and replacement scenarios. With a 3-pole design, it ensures coordinated protection across all phases, helping prevent outages and equipment damage in demanding commercial and industrial environments.\u003c\/p\u003e \u003cp\u003eImportant compatibility note: confirm fit and ratings before ordering. The FA360451021 part number is the best reference for ensuring you’re selecting the right breaker for your panel and application.\u003c\/p\u003e \u003ch2\u003eWhy this 3-Pole breaker stands out\u003c\/h2\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003e3-Pole configuration\u003c\/strong\u003e provides full 3-phase protection, ideal for industrial panels and equipment that rely on three live conductors.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eMaintenance, retrofit, and replacement ready\u003c\/strong\u003e — designed to drop into existing Square D installations without extensive rewiring or panel changes.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePart-number precise compatibility\u003c\/strong\u003e — use FA360451021 as the definitive reference when verifying compatibility with your enclosure or panel model.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eClear fit guidance\u003c\/strong\u003e — the product notes emphasize verifying fit and ratings to ensure safe operation in your system.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eUse cases and scenarios\u003c\/h3\u003e \u003cp\u003e- Upgrading an aging control panel to restore 3-phase protection without expanding the footprint.\u003c\/p\u003e\n\u003cp\u003e- Replacing a failed 3-pole breaker in a retrofit project where the existing specs align with FA360451021.\u003c\/p\u003e\n\u003cp\u003e- Installing in systems that require precise pole configuration and matching trip characteristics, ensuring consistent performance across all phases.\u003c\/p\u003e \u003ch3\u003eWho should consider this breaker\u003c\/h3\u003e \u003cp\u003eElectrical contractors, facilities managers, and industrial maintenance teams seeking a reliable, phasing-consistent breaker that aligns with Square D standards and your existing panel architecture.\u003c\/p\u003e \u003ch3\u003eHow it compares to alternatives\u003c\/h3\u003e \u003cp\u003eCompared with generic 3-pole breakers, this model emphasizes exact compatibility with Square D panels and the FA360451021 reference, reducing guesswork during replacements and retrofit. The result is a smoother installation with fewer fit-and-rating surprises and dependable operation that aligns with your protective strategy.\u003c\/p\u003e \u003cp\u003eFor a precise match in a 3-phase protection plan, this FA360451021 breaker delivers trustworthy alignment, straightforward verification, and dependable performance tailored to Square D systems.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Square D","offers":[{"title":"Default Title","offer_id":46427225161890,"sku":"FA360451021","price":510.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/master_generic_ad06fdd7-931c-4a09-bfbe-d05329579cd6.png?v=1765492978","url":"https:\/\/www.ampstate.com\/products\/square-d-fa360451021-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}