{"product_id":"square-d-fa24040ab-40a-2-pole-plug-in-circuit-breaker","title":"Square D FA24040AB - 40 A, 2-Pole Plug-In Circuit Breaker | AmpState","description":"\u003cdiv\u003e\n\u003cp\u003eMeet reliable, plug-in protection for your electrical distribution with the Square D FA24040AB 40A, 2-Pole Plug-In Molded Case Circuit Breaker, available from AmpState. Engineered for fast, hassle-free installation in panelboards and load centers, this breaker delivers responsive branch circuit overcurrent and short-circuit protection when it counts.\u003c\/p\u003e \u003ch3\u003eWhy this 2-Pole Plug-In Breaker stands out\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eFast plug-in connection\u003c\/strong\u003e for quick installation and effortless replacement—minimizing downtime during upgrades or servicing.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eThermal-magnetic trip unit\u003c\/strong\u003e provides stable, repeatable protection performance, reacting to both sustained overloads and short circuits with precision.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eOEM-compatible\u003c\/strong\u003e design ensures seamless compatibility with matching Square D load centers and panelboards, preserving system integrity.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVersatile across environments\u003c\/strong\u003e ideal for residential, commercial, and light industrial applications where dependable protection is essential.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eSpecifications at a glance\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eManufacturer: Square D\u003c\/li\u003e \u003cli\u003ePart Number: FA24040AB\u003c\/li\u003e \u003cli\u003eType: Thermal-magnetic molded case circuit breaker\u003c\/li\u003e \u003cli\u003eAmperage Rating: 40 A\u003c\/li\u003e \u003cli\u003eNumber of Poles: 2\u003c\/li\u003e \u003cli\u003eMounting Style: Plug-in\u003c\/li\u003e \u003cli\u003eApplication: Branch circuit overcurrent and short-circuit protection\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003ePractical use cases\u003c\/h3\u003e\n\u003cp\u003eElectricians and facilities teams rely on the FA24040AB for protecting critical branches in both new installs and panel upgrades. Use it to:\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eProtect lighting or receptacle circuits in residential renovations without compromising existing panel layouts.\u003c\/li\u003e \u003cli\u003eSupport commercial electrical rooms with dependable instantaneous protection for small to medium loads.\u003c\/li\u003e \u003cli\u003eSafely isolate and swap circuits in light industrial installations, reducing downtime during maintenance.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eCompatibility, installation tips, and best practices\u003c\/h3\u003e\n\u003cp\u003eThis 40 A, 2-pole plug-in breaker is designed to work with matching OEM load centers and panelboards from Square D. For best results:\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eVerify the panelboard model accepts plug-in molded case breakers of DA-compatible families.\u003c\/li\u003e \u003cli\u003ePower down the panel before installation and confirm the new breaker seats firmly into the bus and snap-in clips.\u003c\/li\u003e \u003cli\u003eUse with circuits that require reliable branch protection and a clear, predictable trip behavior in both overload and fault conditions.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWho benefits most\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eElectricians performing panel retrofits, replacements, or new installations.\u003c\/li\u003e \u003cli\u003eFacilities managers overseeing commercial spaces and light industrial equipment.\u003c\/li\u003e \u003cli\u003eProperty owners or managers seeking dependable, plug-in protection for shared electrical infrastructure.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eChoose the Square D FA24040AB 40A, 2-Pole Plug-In Molded Case Circuit Breaker for straightforward, dependable protection that aligns with your panelboards and delivers clear, actionable protection performance. Add it to your cart from AmpState for fast, reliable circuit protection that keeps systems running smoothly.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Amp State","offers":[{"title":"Default Title","offer_id":46355217154210,"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-fa24040ab-40-a-2-pole-plug-in-circuit-breaker-ampstate-139.webp?v=1788742183","url":"https:\/\/www.ampstate.com\/products\/square-d-fa24040ab-40a-2-pole-plug-in-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}