{"product_id":"square-d-fa340201021-circuit-breaker","title":"Square D | FA340201021 | Circuit Breaker | 20A | 3-Pole | 480V | 18kA | Plug-In","description":"\u003cdiv\u003e\n\u003cp\u003eIntroducing the \u003cstrong\u003eSquare D FA340201021\u003c\/strong\u003e circuit breaker—a precision-engineered, plug‑in protection device designed for demanding industrial panels. With a \u003cstrong\u003e20A\u003c\/strong\u003e rating across \u003cstrong\u003ethree poles\u003c\/strong\u003e operating at \u003cstrong\u003e480V\u003c\/strong\u003e and an \u003cstrong\u003e18kA\u003c\/strong\u003e interrupt capacity, this unit is built to stop faults quickly while minimizing downtime during maintenance, retrofit, or replacement projects.\u003c\/p\u003e \u003ch2\u003eKey specifications\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003eAmperage: \u003cstrong\u003e20A\u003c\/strong\u003e\n\u003c\/li\u003e \u003cli\u003ePoles: \u003cstrong\u003e3-Pole\u003c\/strong\u003e\n\u003c\/li\u003e \u003cli\u003eVoltage: \u003cstrong\u003e480V\u003c\/strong\u003e\n\u003c\/li\u003e \u003cli\u003eInterrupt capacity: \u003cstrong\u003e18kA\u003c\/strong\u003e\n\u003c\/li\u003e \u003cli\u003eType: \u003cstrong\u003ePlug-In\u003c\/strong\u003e\n\u003c\/li\u003e \u003cli\u003ePart number: \u003cstrong\u003eFA340201021\u003c\/strong\u003e\n\u003c\/li\u003e \u003cli\u003eBrand: \u003cstrong\u003eSquare D\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWhy this FA340201021 is a smart choice\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003ePlug-in design\u003c\/strong\u003e enables rapid panel swaps, reducing downtime when performing maintenance or retrofits.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003e480V three‑phase compatibility\u003c\/strong\u003e aligns with common industrial power distributions, simplifying selection for new projects or upgrades.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eThree-pole configuration\u003c\/strong\u003e provides coordinated protection for multi‑phase circuits, improving overall system safety.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003e18kA interrupt rating\u003c\/strong\u003e offers robust fault current handling, enhancing protection for connected equipment and reducing arc energy concerns.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eIdeal use cases\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eMaintenance or replacement in existing electrical panels that require exact 20A, 3‑pole, 480V protection.\u003c\/li\u003e \u003cli\u003eRetrofit projects where upgrading to a higher current or newer plug‑in design is part of a safety or efficiency plan.\u003c\/li\u003e \u003cli\u003eReplacement part stocking for service teams responsible for critical, three‑phase industrial lines.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eCompatibility and installation tips\u003c\/h3\u003e\n\u003cp\u003eAlways confirm fit and ratings before ordering. The \u003cstrong\u003eFA340201021\u003c\/strong\u003e part number is the best reference for compatibility with your panel. Ensure your system is rated for \u003cstrong\u003e480V\u003c\/strong\u003e and that the installation matches a \u003cstrong\u003ethree-phase\u003c\/strong\u003e configuration to honor the \u003cstrong\u003e3‑pole\u003c\/strong\u003e design. When installing, follow standard safety procedures, verify proper seating in the plug‑in mount, and test functionality to confirm reliable tripping behavior.\u003c\/p\u003e \u003cp\u003eWhether you’re stocking up for routine maintenance, undertaking a retrofit, or replacing a worn unit, this \u003cstrong\u003eSquare D FA340201021\u003c\/strong\u003e circuit breaker delivers dependable, industry‑standard protection for your 480V, three‑phase systems.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Square D","offers":[{"title":"Default Title","offer_id":46424805867682,"sku":"FA340201021","price":2968.0,"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-fa340201021-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}