{"product_id":"square-d-fa14040c-40a-1-pole-plug-in-circuit-breaker","title":"Square D FA14040C - 40 A, 1-Pole Plug-In Circuit Breaker | AmpState","description":"\u003cdiv\u003e\n\u003cp\u003eThe Square D FA14040C is a 40A, 1-pole plug-in molded case circuit breaker designed to deliver dependable branch circuit overcurrent and short-circuit protection in panelboards and load centers. Its fast plug-in connection makes installation and future replacements a straightforward, downtime‑saving process for busy electrical spaces.\u003c\/p\u003e \u003ch2\u003eWhy this 40A 1-Pole Plug-In Breaker stands out\u003c\/h2\u003e\n\u003cp\u003eDesigned for real-world applications, this breaker pairs a robust thermal-magnetic trip unit with a plug-in format that simplifies upgrades and service work in the field. It’s not just a component—it’s a reliable safety and performance upgrade for your electrical system.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eFast plug-in connection\u003c\/strong\u003e enables quick installation and simple future replacements, minimizing panel downtime during upgrades or maintenance.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eThermal-magnetic trip unit\u003c\/strong\u003e delivers stable, repeatable protection against overcurrent and short circuits, reducing nuisance trips while preserving circuit integrity.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eOEM-compatible design\u003c\/strong\u003e ensures seamless compatibility with matching load centers and panelboards for a reliable, matched fit.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVersatile for diverse environments\u003c\/strong\u003e suitable for residential, commercial, and light industrial applications, providing flexible protection across projects.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003eTechnical snapshot\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 FA14040C\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 40A\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\u003eIdeal use cases\u003c\/h2\u003e\n\u003cp\u003eThis 40A, 1-pole plug-in breaker is well-suited for protecting individual branch circuits within panelboards and load centers in:\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eResidential service upgrades where additional circuits are added or existing panels are upgraded for safety.\u003c\/li\u003e \u003cli\u003eCommercial office spaces needing reliable protection for lighting, outlets, and small equipment circuits.\u003c\/li\u003e \u003cli\u003eLight industrial installations requiring durable, plug-in protection that can be replaced quickly during routine maintenance.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003ePractical guidance for installation and compatibility\u003c\/h2\u003e\n\u003cp\u003eTo maximize performance, pair the FA14040C with compatible OEM load centers and panelboards designed for plug-in molded case breakers. When performing installations or replacements, ensure the panel is de-energized and the existing bus connections are clean and secure to maintain a solid plug-in connection and accurate trip response.\u003c\/p\u003e \u003cp\u003eIn environments where quick service and reliable protection matter, this 40A 1-pole plug-in breaker provides a precise balance of fast installation, dependable protection, and broad compatibility—helping you keep panels operating safely and efficiently.\u003c\/p\u003e \u003cp\u003eUpgrade or replace with confidence: the Square D FA14040C delivers the protection you need, where you need it, with the practical ease that professionals rely on for everyday electrical work.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Amp State","offers":[{"title":"Default Title","offer_id":46355215810722,"sku":null,"price":710.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/schnieder_and_square_d_breaker_and_panel_79360870-67a8-42e1-a1e4-1bfdeb5e24f4.png?v=1764690430","url":"https:\/\/www.ampstate.com\/products\/square-d-fa14040c-40a-1-pole-plug-in-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}