{"product_id":"square-d-fja140205-circuit-breaker","title":"Square D | FJA140205 | Circuit Breaker | 20A | 1-Pole | 277V | 65kA | Plug-In","description":"\u003cdiv\u003e\n\u003cp\u003eMeet the Square D FJA140205 Circuit Breaker — a purpose-built, plug-in 20A solution designed to protect 277V circuits with precision and ease. This single-pole unit shines in maintenance, retrofit, and replacement projects where matching specs matters, delivering reliable performance without the guesswork.\u003c\/p\u003e \u003ch3\u003eKey specifications at a glance\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eAmperage:\u003c\/strong\u003e 20 A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePoles:\u003c\/strong\u003e 1-Pole\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage:\u003c\/strong\u003e 277V\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eInterrupting Capacity:\u003c\/strong\u003e 65kA\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eMounting:\u003c\/strong\u003e Plug-In\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eWhy this matters: a 65kA interrupting rating means the breaker is designed to safely interrupt high fault currents, protecting both the panel and connected equipment. The plug-in design simplifies installation — ideal for quick swaps in compatible Square D panels, reducing downtime during servicing and upgrades. \u003c\/p\u003e \u003ch3\u003eWho it’s for and practical uses\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eFacility managers and electricians performing \u003cstrong\u003emaintenance\u003c\/strong\u003e on 277V lighting circuits, control panels, or small equipment feeders.\u003c\/li\u003e \u003cli\u003eTechs conducting \u003cstrong\u003eretrofits\u003c\/strong\u003e or \u003cstrong\u003ereplacements\u003c\/strong\u003e in existing Square D panels that require a 1-pole, 20A device with a plug-in footprint.\u003c\/li\u003e \u003cli\u003eProjects where exact part matching is critical — the \u003cstrong\u003eFJA140205\u003c\/strong\u003e part number is the best reference for compatibility.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eInstallation and compatibility tips\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eAlways isolate power before attempting installation. Verify the panel accepts plug-in breakers in the same family and series.\u003c\/li\u003e \u003cli\u003eConfirm the \u003cstrong\u003epart number\u003c\/strong\u003e (FJA140205) matches your panel and circuit requirements to ensure proper fit and ratings.\u003c\/li\u003e \u003cli\u003eWhen replacing an existing breaker, compare the old unit’s specifications with this model: 20A, 1-Pole, 277V, 65kA. If they align, this plug-in replacement should snap into place without further modification.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eDesigned for dependable protection in commercial and light industrial settings, this Square D plug-in breaker helps you achieve quick, reliable upgrades with confidence. Use the part number FJA140205 to verify compatibility, and count on a straightforward installation that keeps your electrical system safeguarded and up to code.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Square D","offers":[{"title":"Default Title","offer_id":46424500109474,"sku":"FJA140205","price":1053.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/square-d-fja140205-circuit-breaker-20a-1-pole-277v-65ka-plug-684.webp?v=1789372610","url":"https:\/\/www.ampstate.com\/products\/square-d-fja140205-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}