{"product_id":"square-d-fa34045-45a-3-pole-plug-in-circuit-breaker","title":"Square D FA34045 - 45 A, 3-Pole Plug-In Circuit Breaker | AmpState","description":"\u003cdiv\u003e\n\u003cp\u003eMeet the Square D FA34045—a 45A, 3-pole plug-in molded case circuit breaker designed to reliably guard branch circuits against overcurrent and short-circuit events in panelboards and loadcenters. Built for fast, hassle-free installations, this device pairs a quick plug-in connection with precise thermal-magnetic protection to deliver dependable performance across varying loads and conditions.\u003c\/p\u003e \u003ch3\u003eWhy the FA34045 stands out\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eFast plug-in connection\u003c\/strong\u003e for swift installation and effortless replacement, minimizing downtime during panel upgrades or service maintenance.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eThermal-magnetic trip unit\u003c\/strong\u003e delivers stable, repeatable protection by combining a heat-sensitive element for gradual overloads with a magnetic element for high-energy faults, helping to prevent nuisance trips and ensure timely isolation when it matters.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eOEM-ready compatibility\u003c\/strong\u003e designed to work with matching Square D load centers and panelboards, ensuring proper fit, coordinated protection, and safe operation.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVersatile application\u003c\/strong\u003e suitable for residential, commercial, and light industrial electrical environments that require reliable 3-pole protection for three-phase circuits.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eIdeal use cases\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eUpgrading or maintaining residential service panels where quick plug-in replacements save labor time.\u003c\/li\u003e \u003cli\u003eProtection for commercial distribution panels handling moderate loads across multiple branch circuits.\u003c\/li\u003e \u003cli\u003eLight industrial panels needing sturdy, dependable overcurrent and short-circuit protection in a plug-in format.\u003c\/li\u003e \u003cli\u003eSubpanel protection in 3-phase systems where rapid disconnection helps safeguard equipment and personnel.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eTechnical 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 FA34045\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e Thermal-magnetic molded case circuit breaker\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eAmperage Rating:\u003c\/strong\u003e 45A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eNumber of Poles:\u003c\/strong\u003e 3\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eMounting Style:\u003c\/strong\u003e Plug-in\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eApplication:\u003c\/strong\u003e Branch circuit overcurrent and short-circuit protection\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eChoose the Square D FA34045 for a reliable, ready-to-install protection solution that blends fast serviceability with precise, dependable performance. It’s the practical choice for safeguarding electrical systems in a wide range of environments, backed by Square D quality and optimized for seamless integration with your panelboard or loadcenter.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Amp State","offers":[{"title":"Default Title","offer_id":46355219873954,"sku":null,"price":710.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/square-d-fa34045-45-a-3-pole-plug-in-circuit-breaker-ampstate-847.webp?v=1788742480","url":"https:\/\/www.ampstate.com\/products\/square-d-fa34045-45a-3-pole-plug-in-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}