{"product_id":"square-d-fa34090-90a-3p-480v-circuit-breaker","title":"Square D FA34090 90A 3P 480V Circuit Breaker | AmpState","description":"\u003cdiv\u003e\n\u003cp\u003eMeet the Square D FA34090—a dependable 90 A, 3-pole circuit breaker built for everyday electrical work. Designed for use in panelboards, load centers, and broader electrical distribution applications, it delivers reliable protection for 3-phase systems at 480 V. This part is ideal for replacement projects and stocking spares when you need to keep the bill of materials (BOM) aligned with the original part number.\u003c\/p\u003e \u003ch3\u003eKey specifications\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eManufacturer:\u003c\/strong\u003e Square D\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e FA34090\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eProduct Type:\u003c\/strong\u003e Circuit Breaker\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eAmperage:\u003c\/strong\u003e 90 A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePoles:\u003c\/strong\u003e 3\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage:\u003c\/strong\u003e 480 V\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eApplication:\u003c\/strong\u003e Protects circuits in panelboards, load centers, and electrical distribution\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eAvailability:\u003c\/strong\u003e Available from AmpState\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWhy this FA34090 stands out\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eOEM alignment for seamless replacements:\u003c\/strong\u003e With the original FA34090 part number, you’re matching Square D specifications exactly, minimizing retrofit risks and installation surprises.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eReliable 3-phase protection:\u003c\/strong\u003e Designed to handle 480 V three-phase systems, helping keep critical equipment and workflows online.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eSmart spare strategy:\u003c\/strong\u003e Stock this 90 A breaker to reduce downtime during outages or panel swaps, and preserve your BOM integrity for future maintenance.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVersatile compatibility:\u003c\/strong\u003e Perfect for standard electrical distribution setups where Square D protection is preferred in panelboards and load centers.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWho benefits most\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eElectrical contractors performing panel replacements or upgrades\u003c\/li\u003e \u003cli\u003eMaintenance teams managing site reliability for industrial and commercial facilities\u003c\/li\u003e \u003cli\u003eElectrical distributors seeking genuine, traceable BOM-aligned spares\u003c\/li\u003e \u003cli\u003eFacility managers needing dependable, long-term availability of critical protection devices\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003ePractical applications and use cases\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eReplacing a failed 90 A, 3-pole breaker in a 480 V three-phase distribution system\u003c\/li\u003e \u003cli\u003eMaintaining BOM accuracy during panelboard modernization or retrofits\u003c\/li\u003e \u003cli\u003eStocking a ready-to-install spare to minimize downtime in service calls\u003c\/li\u003e \u003cli\u003eEnsuring consistent protection in electrical distribution networks without compromising original equipment compatibility\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eNeed help matching a part number or confirming compatibility? Message us and we’ll help you confirm fit for your exact panel or distribution setup.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"AmpState","offers":[{"title":"Default Title","offer_id":46410916036770,"sku":"FA34090","price":10.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/square-d-fa34090-90a-3p-480v-circuit-breaker-ampstate-breakers-115.webp?v=1788990529","url":"https:\/\/www.ampstate.com\/products\/square-d-fa34090-90a-3p-480v-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}