{"product_id":"square-d-fy14040c-40a-1p-277v-circuit-breaker","title":"Square D FY14040C 40A 1P 277V Circuit Breaker | AmpState","description":"\u003cdiv\u003e\n\u003cp\u003eThe Square D FY14040C is a 40A, 1-pole, 277V circuit breaker designed to deliver reliable overcurrent protection for panelboards, load centers, and electrical distribution systems. Built by Square D, this unit is a dependable choice for retrofit work and ongoing maintenance where keeping the exact part number matters for compatibility and stock consistency.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eAmperage:\u003c\/strong\u003e 40 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 277 V\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eManufacturer:\u003c\/strong\u003e Square D\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e FY14040C\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e Circuit Breaker\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eApplications:\u003c\/strong\u003e Panelboards, Load Centers, Electrical Distribution\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eAvailability:\u003c\/strong\u003e AmpState\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eThis FY14040C delivers targeted protection where commercial and industrial circuits operate at 277V. Its single-pole design is ideal for branch circuits and lighting feeders, helping prevent damage from overloads and short circuits while keeping electrical systems running smoothly.\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eWhat makes this unit stand out\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eDesigned for seamless integration with Square D panelboards and load centers, ensuring reliable compatibility in retrofits and service upgrades.\u003c\/li\u003e \u003cli\u003ePart-number consistency supports maintenance planning and inventory management, reducing downtime when replacements are needed.\u003c\/li\u003e \u003cli\u003eCompact, straightforward replacement approach for scenarios where 277V single-pole protection is required, without sacrificing safety or performance.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003eWho should consider the FY14040C\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eFacility managers and electricians working on retrofit projects that require exact part-number compatibility.\u003c\/li\u003e \u003cli\u003eMaintenance teams stocking spare breakers for commercial electrical distribution systems operating at 277V.\u003c\/li\u003e \u003cli\u003e contractors handling installations or upgrades in panelboards and load centers that rely on Square D components.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003eUse cases and practical scenarios\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eRetrofit installations where a proven Square D 277V solution is needed without reconfiguring existing protection schemes.\u003c\/li\u003e \u003cli\u003eSpare-part inventories for service fleets that support 277V lighting and general-purpose circuits in commercial buildings.\u003c\/li\u003e \u003cli\u003eMaintenance planning for buildings with legacy Square D gear that requires consistent part numbers during replacements.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003eCompatibility and support\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eNeed help matching a part number or confirming compatibility? Message us and we’ll help you confirm fit.\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eInstallation and care tips\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eAlways shut off power at the main disconnect before replacement or installation.\u003c\/li\u003e \u003cli\u003eVerify that the panelboard or distribution equipment is designed for 277V and supports a 1-pole, 40A breaker.\u003c\/li\u003e \u003cli\u003eFollow manufacturer installation guidelines and local electrical codes for safe, compliant upgrades.\u003c\/li\u003e \u003cli\u003eRegularly inspect the breaker and surrounding components for signs of wear or overheating, and replace if any damage is observed.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"AmpState","offers":[{"title":"Default Title","offer_id":46413652787362,"sku":"FY14040C","price":359.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/square-d-fy14040c-40a-1p-277v-circuit-breaker-ampstate-breakers-579.webp?v=1789074761","url":"https:\/\/www.ampstate.com\/products\/square-d-fy14040c-40a-1p-277v-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}