{"product_id":"square-d-fa320401021-40a-3p-240v-circuit-breaker","title":"Square D FA320401021 40A 3P 240V Circuit Breaker | AmpState","description":"\u003cdiv\u003e\n\u003cp\u003eIntroducing the Square D FA320401021 — a 40 A, 3-pole, 240 V circuit breaker designed to deliver reliable protection for panelboards, load centers, and broader electrical distribution systems. This model is especially practical for retrofit work and maintenance planning when keeping the same part number across inventories and service records is important.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eThree-pole design\u003c\/strong\u003e provides simultaneous interruption of all hot legs in 3-phase systems, improving safety and simplifying service.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003e40 A rating\u003c\/strong\u003e protects medium-load circuits and feeders within commercial or light industrial environments.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003e240 V operation\u003c\/strong\u003e aligns with common three-phase equipment and standard power distribution configurations.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eConsistent part numbering\u003c\/strong\u003e supports streamlined retrofits and maintenance planning, reducing part-number confusion over time.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePanel and distribution readiness\u003c\/strong\u003e is designed for compatibility with Square D panelboards and load centers that accept this type of 3P, 240 V breaker.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eThe FA320401021 is more than a replacement part—it’s a strategic choice for professionals who value compatibility, traceable component IDs, and predictable maintenance workflows across a facility’s electrical footprint. When reliability and scheduling matter, this Square D breaker helps you stay on track without hunting for alternate parts.\u003c\/p\u003e \u003cp\u003eCompatibility note: The FA320401021 is intended for Square D panelboards and load centers that accept a 3-pole, 240 V breaker. Need help matching a part number or confirming compatibility? Message us and we’ll help you confirm fit.\u003c\/p\u003e \u003cp\u003eAvailability: Available from AmpState.\u003c\/p\u003e \u003cp\u003eUse cases include retrofit replacements in aging panel installations, stocking spare breakers for service fleets, and maintaining consistency across electrical distributions in commercial settings with 3-phase power.\u003c\/p\u003e \u003cp\u003eReady to add reliable protection to your electrical distribution kit? The Square D FA320401021 delivers dependable performance for ongoing maintenance and project work.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"AmpState","offers":[{"title":"Default Title","offer_id":46413674905762,"sku":"FA320401021","price":3801.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/square-d-fa320401021-40a-3p-240v-circuit-breaker-ampstate-breakers-999.webp?v=1789078188","url":"https:\/\/www.ampstate.com\/products\/square-d-fa320401021-40a-3p-240v-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}