{"product_id":"square-d-fa36040mt-circuit-breaker","title":"Square D | FA36040MT | Circuit Breaker | 40A | 3-Pole | 600V | Plug-In","description":"\u003cdiv\u003e\n\u003cp\u003e\u003cstrong\u003eSquare D FA36040MT Circuit Breaker\u003c\/strong\u003e is a 40-amp, 3-pole, 600-volt plug-in protection device designed for reliable overcurrent protection in demanding electrical panels. It’s purpose-built for maintenance, retrofit, and replacement projects where exact specifications matter, ensuring you’re upgrading with precision rather than guesswork.\u003c\/p\u003e \u003cp\u003eThe FA36040MT is the right choice when you need a genuine part with a precise spec match. The part number is the best reference for compatibility, helping you avoid fit issues and ensure safe, seamless integration with your existing Square D system.\u003c\/p\u003e \u003ch3\u003eKey specifications\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eAmperage:\u003c\/strong\u003e 40 A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePoles:\u003c\/strong\u003e 3-Pole (three‑phase protection)\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage:\u003c\/strong\u003e 600 V\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eMounting:\u003c\/strong\u003e Plug-In\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWhy choose this Square D FA36040MT?\u003c\/h3\u003e\n\u003cp\u003eThree-phase circuits demand precise protection. This 3-pole, 40A plug‑in breaker delivers targeted protection for all three hot lines, helping prevent damage from overloads and short circuits while remaining straightforward to install or swap in when updating an panel. Using a genuine FA36040MT ensures proper fit, alignment with bus bars, and predictable trip behavior, giving you confidence when servicing critical electrical infrastructure.\u003c\/p\u003e \u003ch3\u003eIdeal uses \u0026amp; scenarios\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eMaintenance work in existing panels that require a 40A, 3-pole, 600V plug-in breaker\u003c\/li\u003e \u003cli\u003eRetrofit projects where a precise spec match is essential for performance and safety\u003c\/li\u003e \u003cli\u003eReplacement of a failed or worn breaker in compatible Square D installations\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003eFit and ordering tip:\u003c\/strong\u003e Confirm fit and ratings before ordering. The FA36040MT part number is the best reference for compatibility, helping you select the exact component your system needs.\u003c\/p\u003e \u003cp\u003eWith this genuine Square D breaker, you gain reliable, industry-standard protection for three‑phase circuits, minimizing risk and downtime while keeping your electrical system aligned with manufacturer specifications.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Square D","offers":[{"title":"Default Title","offer_id":46426839089314,"sku":"FA36040MT","price":510.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/square-d-fa36040mt-circuit-breaker-40a-3-pole-600v-plug-245.webp?v=1789631739","url":"https:\/\/www.ampstate.com\/products\/square-d-fa36040mt-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}