{"product_id":"square-d-fa14045b-45a-1-pole-plug-in-circuit-breaker","title":"Square D FA14045B - 45 A, 1-Pole Plug-In Circuit Breaker | AmpState","description":"\u003cdiv\u003e\n\u003cp\u003eIntroducing the Square D FA14045B — a 45A, 1-pole plug-in molded case circuit breaker crafted to safeguard your panelboards and load centers from overcurrent and short circuits. Available from AmpState, this trusted Square D component combines fast installation with dependable protection for a wide range of electrical setups, including residential, commercial, and light industrial environments.\u003c\/p\u003e \u003ch2\u003eWhy this breaker stands out\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eFast plug-in connection:\u003c\/strong\u003e Snap-in mounting for quick installation and simple replacement, minimizing panel downtime during maintenance or upgrades.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eThermal-magnetic trip unit:\u003c\/strong\u003e A dual-action protection system that combines a thermal element for gradual overloads with an instantaneous magnetic trip for high fault currents, delivering stable, repeatable performance.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eOEM-compatible design:\u003c\/strong\u003e Engineered to fit matching Square D load centers and panelboards, ensuring a safe, properly matched installation that meets code requirements.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePrecise 45A, 1-pole configuration:\u003c\/strong\u003e Dedicated single-circuit protection ideal for branch circuits that demand reliable interruption at 45 amps.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVersatile deployment:\u003c\/strong\u003e Suitable for a variety of applications—from home service panels to light commercial and light industrial systems.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003eIdeal use cases\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003eRetrofitting or replacing a failed breaker in residential distribution panels where fast service is a priority.\u003c\/li\u003e \u003cli\u003eMaintaining and upgrading small commercial panelboards that require a reliable 1-pole 45A device.\u003c\/li\u003e \u003cli\u003eProjects that demand minimal downtime with plug-in compatibility and straightforward reconfiguration.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003eTechnical specifications\u003c\/h2\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 FA14045B\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 1\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 \u003ch2\u003eCompatibility and installation notes\u003c\/h2\u003e\n\u003cp\u003eDesigned to pair with matching OEM load centers and panelboards, ensuring a reliable, code-compliant fit. This unit is ideal for professional installation by licensed electricians who work with Square D panel systems, offering a balance of ease of replacement and robust protection.\u003c\/p\u003e \u003cp\u003eChoose the Square D FA14045B for dependable 45-amp, 1-pole protection that keeps circuits safe and downtime minimal. AmpState proudly offers this component as part of a complete Square D protection lineup, helping you maintain clean, compliant electrical systems.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Amp State","offers":[{"title":"Default Title","offer_id":46355215909026,"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-fa14045b-45-a-1-pole-plug-in-circuit-breaker-ampstate-464.webp?v=1788742011","url":"https:\/\/www.ampstate.com\/products\/square-d-fa14045b-45a-1-pole-plug-in-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}