{"product_id":"eaton-fdb4045-circuit-breaker","title":"Eaton | FDB4045 | Circuit Breaker | 45A | 4-Pole | 600V","description":"\u003cdiv\u003e\n\u003cp\u003e\u003cstrong\u003eEaton FDB4045\u003c\/strong\u003e is a robust, four-pole circuit breaker engineered for demanding electrical distribution tasks. With a 45A rating and a 600V potential, this unit is purpose-built for maintenance, retrofit, and replacement projects where exact specifications are essential to keep systems safe and compliant.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eAmperage:\u003c\/strong\u003e 45A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePoles:\u003c\/strong\u003e 4-Pole\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage rating:\u003c\/strong\u003e 600V\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eBest reference for compatibility:\u003c\/strong\u003e Part number FDB4045\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eIdeal applications:\u003c\/strong\u003e maintenance, retrofit, and replacement requiring precise spec alignment\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWhy the 4-pole design matters\u003c\/h3\u003e\n\u003cp\u003eThe 4-pole configuration provides simultaneous disconnection of all conductors in a 3-phase system, including neutral lines where required. This coordinated shutoff enhances safety during servicing and ensures a clean, predictable power isolation for connected equipment.\u003c\/p\u003e \u003ch3\u003eIdeal use cases\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eUpgrading or refurbishing industrial panels that require a 45A, 600V 4-pole breaker\u003c\/li\u003e \u003cli\u003eReplacing a deteriorated or obsolete unit with a direct-spec part for reliable performance\u003c\/li\u003e \u003cli\u003eRetrofits in facilities where exact amperage, pole count, and voltage are non-negotiable\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eCompatibility and ordering tips\u003c\/h3\u003e\n\u003cp\u003eTo ensure a precise fit, always verify the panel’s rating and mounting compatibility before ordering. The part number FDB4045 is the most reliable reference to confirm alignment with your equipment and wiring scheme.\u003c\/p\u003e \u003ch3\u003eInstallation and practical considerations\u003c\/h3\u003e\n\u003cp\u003eWhen installing, ensure your system supports 600V circuits and that all conductors are de-energized prior to replacement. Align mounting and terminal connections with your panel’s specifications, and follow relevant electrical codes to maintain safety and compliance.\u003c\/p\u003e \u003cp\u003eDesigned for professionals managing industrial electrical protection, the Eaton FDB4045 delivers dependable performance for 3-phase distribution with clear, actionable compatibility guidance and a focus on safety during maintenance, retrofit, and replacement projects.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Eaton","offers":[{"title":"Default Title","offer_id":46427087437986,"sku":"FDB4045","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-fdb4045-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}