{"product_id":"square-d-fa34090cba1021-circuit-breaker","title":"Square D | FA34090CBA1021 | Circuit Breaker | 90A | 3-Pole | 480V","description":"\u003cdiv\u003e\n\u003cp\u003e\u003cstrong\u003eSquare D FA34090CBA1021\u003c\/strong\u003e is a 90A, 3-Pole circuit breaker crafted for 480V three‑phase systems. Built for maintenance, retrofit, and replacement projects, this protective device helps keep industrial electrical infrastructure running smoothly by delivering dependable overcurrent protection where exact specifications matter.\u003c\/p\u003e \u003ch3\u003eKey specifications\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eAmperage:\u003c\/strong\u003e 90 A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePoles:\u003c\/strong\u003e 3-Pole\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage:\u003c\/strong\u003e 480 V\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePart number:\u003c\/strong\u003e FA34090CBA1021\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eIdeal use cases\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eMaintenance: quick replacement of a failing 3‑pole, 480V circuit breaker to restore service with minimal downtime.\u003c\/li\u003e \u003cli\u003eRetrofit: upgrade or align existing panels to the FA34090CBA1021 specifications for reliable three‑phase protection.\u003c\/li\u003e \u003cli\u003eReplacement: keep on hand as a ready spare for critical 480V, three‑phase circuits in industrial facilities.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWhy this Square D breaker stands out\u003c\/h3\u003e\n\u003cp\u003eExact compatibility matters in high‑demand environments. The FA34090CBA1021 uses Square D’s precise design and engineering to ensure fit, mounting alignment, and electrical ratings align with your panel and system. The part number is the most reliable reference when cross‑checking compatibility, so you can confidently source the right component for 480V, three‑phase service.\u003c\/p\u003e \u003ch3\u003ePractical considerations and tips\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eConfirm fit and ratings before ordering:\u003c\/strong\u003e use the FA34090CBA1021 part number as the primary compatibility reference with your panel model and labeling.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eApplication scope:\u003c\/strong\u003e suitable for industrial controls, manufacturing lines, and commercial power distribution where 480V three‑phase protection is required.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eHandling:\u003c\/strong\u003e follows standard electrical safety practices during replacement or installation; disconnect power and verify absence of voltage before work.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eInventory planning:\u003c\/strong\u003e keep this 90A, 3‑pole breaker on hand as a dependable replacement for scheduled maintenance or unexpected outages.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eDesigned for professionals who demand precise specifications and dependable protection, the Square D FA34090CBA1021 provides straightforward, reliable circuit protection for 480V, three‑phase systems. Its clear compatibility reference helps you source with confidence, minimize downtime, and maintain optimal performance across your electrical infrastructure.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Square D","offers":[{"title":"Default Title","offer_id":46426488537250,"sku":"FA34090CBA1021","price":2010.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/square-d-fa34090cba1021-circuit-breaker-90a-3-pole-480v-427.webp?v=1789587414","url":"https:\/\/www.ampstate.com\/products\/square-d-fa34090cba1021-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}