{"product_id":"eaton-fdb4020-circuit-breaker","title":"Eaton | FDB4020 | Circuit Breaker | 4-Pole","description":"\u003cdiv\u003e\n\u003cp\u003eThe Eaton \u003cstrong\u003eFDB4020\u003c\/strong\u003e \u003cstrong\u003e4-Pole Circuit Breaker\u003c\/strong\u003e is engineered for maintenance, retrofit, and replacement projects where exact specifications matter. This 4-pole model is designed to integrate seamlessly with Eaton panels and compatible electrical systems, delivering dependable protection when you need to safeguard 3-phase power with a neutral conductor.\u003c\/p\u003e \u003cp\u003eKey advantages that set the FDB4020 apart:\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003e4-Pole design\u003c\/strong\u003e provides full isolation of all conductors in 3-phase + neutral configurations, enhancing safety during maintenance and service operations.\u003c\/li\u003e \u003cli\u003eSpecifically chosen for \u003cstrong\u003eEaton panels and compatible distribution systems\u003c\/strong\u003e, ensuring consistent protection and predictable performance.\u003c\/li\u003e \u003cli\u003eOptimized for \u003cstrong\u003emaintenance, retrofit, and replacement\u003c\/strong\u003e scenarios, helping you keep critical systems online with minimal downtime.\u003c\/li\u003e \u003cli\u003eParts-first compatibility: the \u003cstrong\u003eFDB4020\u003c\/strong\u003e part number is the best reference for ensuring a proper match with your equipment.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eImportant compatibility notes\u003c\/h3\u003e\n\u003cp\u003eBefore ordering, \u003cstrong\u003econfirm fit and ratings\u003c\/strong\u003e for your application. While the 4-pole configuration is standard for many Eaton installations, exact amperage, trip characteristics, and panel compatibility must align with your existing system. The part number \u003cstrong\u003eFDB4020\u003c\/strong\u003e is your most reliable guide to a correct replacement.\u003c\/p\u003e \u003ch3\u003eIdeal use cases\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eField technicians stocking a reliable spare for Eaton-powered facilities and service vans.\u003c\/li\u003e \u003cli\u003eRetrofit projects where upgrading to a 4-pole breaker preserves neutral safety and trip coordination in 3-phase systems.\u003c\/li\u003e \u003cli\u003eMaintenance outages and replacement scenarios where matching specifications minimizes compatibility risks.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003ePractical installation and care tips\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eAlways follow Lockout\/Tagout procedures and disconnect power before handling any circuit breakers.\u003c\/li\u003e \u003cli\u003eUse the \u003cstrong\u003eFDB4020\u003c\/strong\u003e part number as your compatibility reference to avoid mismatches during ordering.\u003c\/li\u003e \u003cli\u003eVerify that the breaker’s amperage rating and trip curve align with your panel’s requirements and the connected load.\u003c\/li\u003e \u003cli\u003eEnsure proper alignment and seating in the panel to prevent arcing or improper operation during fault conditions.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eWhether you’re maintaining an existing Eaton installation, performing a strategic retrofit, or stocking a dependable replacement, the Eaton \u003cstrong\u003eFDB4020\u003c\/strong\u003e 4-Pole Circuit Breaker delivers the robustness and compatibility you expect from a trusted electrical protection solution.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Eaton","offers":[{"title":"Default Title","offer_id":46427090288802,"sku":"FDB4020","price":510.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/master_generic_a0994f42-7fad-49d1-911a-c2784022b8c9.png?v=1765492979","url":"https:\/\/www.ampstate.com\/products\/eaton-fdb4020-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}