{"product_id":"square-d-fa320901021","title":"Square D FA320901021 90A 3-Pole 240 V Circuit Breaker","description":"\u003cdiv\u003e\n\u003cp\u003eMeet the Square D FA320901021 90A 3-Pole 240 V Circuit Breaker — a purpose-built protection solution designed for demanding three-phase electrical systems. This unit delivers reliable overload and short-circuit protection for commercial and light industrial applications, helping keep equipment and personnel safe while minimizing downtime.\u003c\/p\u003e \u003ch2\u003eKey specifications\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eCurrent rating:\u003c\/strong\u003e 90 A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePoles:\u003c\/strong\u003e 3\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage rating:\u003c\/strong\u003e 240 V\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePart number:\u003c\/strong\u003e FA320901021\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003eWhy a 3-pole 240 V breaker matters\u003c\/h2\u003e\n\u003cp\u003eIn three-phase environments, a 3-pole breaker protects all three hot conductors, delivering simultaneous disconnection during faults and preventing unbalanced loads. The 90 A rating makes it well-suited for protecting motors, pumps, conveyors, and other heavy loads commonly found in commercial equipment rooms and light industrial setups.\u003c\/p\u003e \u003ch2\u003eWho should consider it\u003c\/h2\u003e\n\u003cp\u003eElectricians, facilities managers, and maintenance teams who work with Square D panels or systems that require a precise 90 A, 3-pole, 240 V protective device will find this model a reliable fit for upgrading or replacing aging protection equipment.\u003c\/p\u003e \u003ch2\u003eUse cases\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003eThree-phase motor protection for pumps, fans, and conveyors\u003c\/li\u003e \u003cli\u003eProtection for heavy-load equipment operating at up to 90 A per phase\u003c\/li\u003e \u003cli\u003eProtective device in electrical closets and switchgear where reliable interruption is critical\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003eBefore you buy: compatibility and considerations\u003c\/h2\u003e\n\u003cp\u003eEnsure your panel is designed to accept a three-pole, 240 V protective device of this type and that wiring ratings match with a 90 A conductor setup. Verify overall system compatibility to ensure seamless replacement or installation within your existing Square D infrastructure.\u003c\/p\u003e \u003ch2\u003eInstallation and safety tips\u003c\/h2\u003e\n\u003cp\u003eInstall by a qualified electrician following local electrical codes. When replacing or adding this breaker, de-energize the panel and follow established safety practices. Use appropriate tools and refer to your panel’s mounting and bus design guidelines to ensure a secure, reliable connection.\u003c\/p\u003e \u003ch2\u003eMaintenance and longevity\u003c\/h2\u003e\n\u003cp\u003eWith proper installation and operation within its rated capacity, the Square D FA320901021 can provide dependable protection for years, helping to prevent costly equipment damage and unplanned outages.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Square D","offers":[{"title":"Default Title","offer_id":46423111336098,"sku":"FA320901021","price":3070.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/master_generic_229276d9-908d-46df-93e5-6fe31866e0ff.png?v=1765492975","url":"https:\/\/www.ampstate.com\/products\/square-d-fa320901021","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}