{"product_id":"square-d-fa340701021-70a-480v-3-pole-plug-in-circuit-breaker","title":"Square D FA340701021 - 70 A, 480 V, 3-Pole Plug-In Circuit Breaker | AmpState","description":"\u003cdiv\u003e\n\u003cp\u003eMeet the Square D FA340701021: a 70A, 480V, 3-pole plug-in molded case circuit breaker designed to deliver dependable branch circuit protection in panelboards and loadcenters. With a fast plug-in connection, it minimizes install time and downtime during replacements or upgrades, making service tasks smoother for electricians and facilities managers alike.\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eWhy this breaker stands out\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eRapid plug-in installation:\u003c\/strong\u003e The plug-in design streamlines mounting and removal, so technicians can complete panel servicing with confidence and speed.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eThermal-magnetic protection:\u003c\/strong\u003e A robust trip unit combines thermal and magnetic sensing for stable, repeatable protection across temperature variations, plus instantaneous magnetic trip for short-circuit events.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003e OEM-compatible:\u003c\/strong\u003e Engineered to be compatible with matching Square D OEM loadcenters and panelboards, ensuring reliable operation and coordinated protection schemes.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVersatile applications:\u003c\/strong\u003e Ideal for residential, commercial, and light industrial installations where reliable 70A protection at 480V is required.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWhat this means for your electrical system\u003c\/h3\u003e\n\u003cp\u003eIn a panelboard or loadcenter, this 3-pole device guards multiple phases against overcurrent and short circuits, helping prevent wire overheating, component damage, and electrical fire risks. Its precise trip characteristics mean predictable behavior during fault conditions, aiding in safer maintenance windows and quicker fault isolation.\u003c\/p\u003e \u003ch3\u003eTechnical snapshot\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eManufacturer:\u003c\/strong\u003e Square D\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePart number:\u003c\/strong\u003e FA340701021\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e Thermal-magnetic molded case circuit breaker\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eAmperage rating:\u003c\/strong\u003e 70 A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage rating:\u003c\/strong\u003e 480 V\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eNumber of poles:\u003c\/strong\u003e 3\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eMounting style:\u003c\/strong\u003e Plug-in\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eApplication:\u003c\/strong\u003e Branch circuit overcurrent and short-circuit protection\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eIdeal use scenarios\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eUpgrading or replacing breakers in commercial panelboards serving office spaces, retail environments, or light industrial equipment rooms.\u003c\/li\u003e \u003cli\u003eInstalling a reliable protection point for high-demand 480V circuits in distributed systems and subpanels.\u003c\/li\u003e \u003cli\u003eCoordinating with other Square D devices to establish a consistent protection scheme across a facility.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003ePractical considerations\u003c\/h3\u003e\n\u003cp\u003eBefore swapping in this breaker, confirm that your panelboard is rated for 480V and that the FA340701021 is compatible with your exact loadcenter model from Square D. Follow proper lockout\/tagout procedures and consult the panel’s documentation to ensure correct trip characteristics and UL\/CSA compliance.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Amp State","offers":[{"title":"Default Title","offer_id":46355220070562,"sku":null,"price":710.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/schnieder_and_square_d_breaker_and_panel_4127687f-03f2-4ee8-a40c-75c7bbbc8bb4.png?v=1764690487","url":"https:\/\/www.ampstate.com\/products\/square-d-fa340701021-70a-480v-3-pole-plug-in-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}