{"product_id":"eaton-fdb4045l-circuit-breaker","title":"Eaton | FDB4045L | Circuit Breaker | 45A | 4-Pole | 600V","description":"\u003cdiv\u003e\n\u003cp\u003eMeet the Eaton FDB4045L: a 45A, 4-Pole, 600V circuit breaker designed for maintenance, retrofit, and replacement projects where exact specifications matter. Built to integrate with Eaton panel systems and legacy gear, this part ensures a reliable, end-to-end protection solution for demanding electrical environments.\u003c\/p\u003e \u003ch2\u003eKey specifications\u003c\/h2\u003e\n\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:\u003c\/strong\u003e 600V\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePart number:\u003c\/strong\u003e FDB4045L\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003eWhat makes it unique\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eExact-fit compatibility:\u003c\/strong\u003e The part number FDB4045L is your best reference for matching the right breaker to Eaton panels and compatible legacy systems, reducing guesswork during replacements.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003e4-Pole design for multi-phase protection:\u003c\/strong\u003e Ideal for three-phase circuits with a common neutral, delivering coordinated protection and cleaner wiring in industrial and commercial setups.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eMaintenance-ready for downtime reduction:\u003c\/strong\u003e Designed for straightforward installation in retrofit and replacement scenarios, helping you minimize disruption during service windows.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003eIdeal use cases\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003eUpgrading aging distribution panels that require a 4-Pole, 600V protection solution\u003c\/li\u003e \u003cli\u003eReplacement for failed or worn breakers in industrial automation and process-control panels\u003c\/li\u003e \u003cli\u003eRetrofit projects where exact amperage, pole configuration, and voltage are critical for compatibility\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003ePractical notes for buyers\u003c\/h2\u003e\n\u003cp\u003eBefore ordering, confirm fit and ratings. The part number is the most reliable reference for compatibility with your system. Verify your panel’s maximum voltage (600V), required amperage (45A), and pole configuration (4-Pole) to ensure a seamless, safe replacement.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Eaton","offers":[{"title":"Default Title","offer_id":46426253623458,"sku":"FDB4045L","price":2010.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/eaton-fdb4045l-circuit-breaker-45a-4-pole-600v-901.webp?v=1789544200","url":"https:\/\/www.ampstate.com\/products\/eaton-fdb4045l-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}