{"product_id":"square-d-fap34040v-circuit-breaker","title":"Square D | FAP34040V | Circuit Breaker | 40A | 3-Pole | 34040V","description":"\u003cdiv\u003e\n\u003cp\u003eMeet the Square D \u003cstrong\u003eFAP34040V\u003c\/strong\u003e circuit breaker—a rugged, three‑pole protector designed for demanding 3‑phase applications. With a targeted \u003cstrong\u003e40A\u003c\/strong\u003e rating and a \u003cstrong\u003e34040V\u003c\/strong\u003e voltage specification, this device is built to deliver reliable protection in maintenance, retrofit, and replacement projects where precise compatibility matters. The \u003cstrong\u003epart number FAP34040V\u003c\/strong\u003e is your best reference for ensuring a correct fit in compatible panels.\u003c\/p\u003e \u003ch3\u003eKey specifications\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eAmperage:\u003c\/strong\u003e 40A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePoles:\u003c\/strong\u003e 3‑Pole\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage:\u003c\/strong\u003e 34040V\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eReference:\u003c\/strong\u003e Part number FAP34040V\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWhy this 3‑pole design matters\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003ethree‑pole configuration\u003c\/strong\u003e provides synchronized protection across all three hot legs in a 3‑phase system, helping prevent phase imbalance and ensuring the entire circuit disconnects safely during a fault. This makes it an ideal choice for motor circuits, three‑phase equipment, and commercial or industrial power distributions that rely on balanced protection.\u003c\/p\u003e \u003ch3\u003eWho benefits most\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eMaintenance teams performing panel refurbishments or component replacements\u003c\/li\u003e \u003cli\u003eFacilities managers overseeing commercial HVAC, manufacturing lines, or data center power distribution\u003c\/li\u003e \u003cli\u003eElectricians and contractors conducting retrofits to align with updated safety and protection standards\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eCompatibility and installation notes\u003c\/h3\u003e\n\u003cp\u003eBefore ordering, confirm that your panel requires a \u003cstrong\u003e40A, 3‑pole, 34040V\u003c\/strong\u003e device and that the \u003cstrong\u003eFAP34040V\u003c\/strong\u003e is the correct reference for your setup. The part number remains the most reliable way to ensure compatibility with your existing distribution equipment and protection scheme. When replacing an old breaker, align the new unit with the same trip characteristics and conductor sizing to maintain protection coordination and safe operation.\u003c\/p\u003e \u003ch3\u003ePractical use cases and scenarios\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eReplacing a failed 3‑phase 40A breaker in industrial control panels\u003c\/li\u003e \u003cli\u003eUpgrading legacy equipment to a modern, reliable Square D protection device\u003c\/li\u003e \u003cli\u003eRetrofitting power distribution for improved fault isolation in commercial facilities\u003c\/li\u003e \u003cli\u003eSupporting motor drives and three‑phase equipment that require synchronized disconnect across all lines\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eWith its proven Square D engineering, the FAP34040V offers dependable performance in environments that demand consistent protection, easy integration into compatible panels, and a straightforward path to maintaining electrical safety and reliability. If your project requires a precise 3‑pole, 40A solution for 34040V systems, this breaker is designed to meet those exacting specifications.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Square D","offers":[{"title":"Default Title","offer_id":46426421592226,"sku":"FAP34040V","price":2010.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/master_generic_a085eff1-75dd-47ee-b131-4c8df8f0489b.png?v=1765492976","url":"https:\/\/www.ampstate.com\/products\/square-d-fap34040v-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}