{"product_id":"square-d-fi360201021-circuit-breaker","title":"Square D | FI360201021 | Circuit Breaker | 20A | 3-Pole | 600V","description":"\u003cdiv\u003e\n\u003cp\u003eMeet the Square D FI360201021 Circuit Breaker, a purpose-built 3-pole protection device engineered to safeguard three-phase electrical systems. With a 20A rating and a 600V maximum, this breaker is the reliable choice for maintenance, retrofit, and replacement projects in compatible Square D panels.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e FI360201021 — the definitive reference for compatibility and ordering\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eAmperage:\u003c\/strong\u003e 20A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePoles:\u003c\/strong\u003e 3-Pole for full three-phase protection\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage Rating:\u003c\/strong\u003e 600V\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003e用途:\u003c\/strong\u003e Ideal for panel upgrades, service replacements, and retrofits in industrial or commercial electrical systems\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eImportant Note:\u003c\/strong\u003e Confirm fit and ratings before ordering; the part number is the best reference for compatibility\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWhy this FI360201021 breaker stands out\u003c\/h3\u003e\n\u003cp\u003eDesigned by Square D, this 3-pole unit provides synchronized trip across all phases, helping maintain system balance and enhance fault protection in three-phase configurations. The 20A rating is well-suited for circuits that demand steady current control without nuisance tripping, while the 600V rating accommodates higher voltage distribution environments typical in manufacturing floors and large facilities.\u003c\/p\u003e \u003ch3\u003ePractical use cases\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eReplacing a failed or outdated three-pole breaker in a commercial or industrial panel\u003c\/li\u003e \u003cli\u003eUpgrading from a lower-ampacity or single-pole device to support three-phase circuits\u003c\/li\u003e \u003cli\u003eRetrofit projects where matching Square D specifications and part numbers ensure reliable compatibility\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eHow to ensure a perfect fit\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eVerify the panel’s compatible voltage class and three-pole configuration before ordering\u003c\/li\u003e \u003cli\u003eUse the exact part number FI360201021 as the primary compatibility reference\u003c\/li\u003e \u003cli\u003eCross-check with your panel’s labeling and service documentation to confirm amperage, pole count, and voltage requirements\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Square D","offers":[{"title":"Default Title","offer_id":46426373357730,"sku":"FI360201021","price":2010.0,"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-fi360201021-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}