{"product_id":"eaton-kd3300x-circuit-breaker","title":"Eaton | KD3300X | Circuit Breaker | 300A | 3-Pole | 600V","description":"\u003cdiv\u003e\n\u003cp\u003eMeet the Eaton KD3300X Circuit Breaker—a 300A, 3-pole solution designed for serious power protection in three‑phase systems. With a 600V rating, this unit delivers dependable overcurrent protection for demanding commercial and light industrial applications where reliability matters most.\u003c\/p\u003e \u003cp\u003eDesigned for maintenance, retrofit, and replacement needs where exact specifications matter, the KD3300X stands out as the clear choice when you must match existing equipment. The part number KD3300X is the best reference for compatibility, ensuring a precise fit and predictable performance in your panel or distribution setup.\u003c\/p\u003e \u003ch3\u003eKey specifications\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eAmperage:\u003c\/strong\u003e 300 A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePoles:\u003c\/strong\u003e 3‑Pole (three‑phase protection)\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage:\u003c\/strong\u003e 600 V\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eReference for compatibility:\u003c\/strong\u003e KD3300X\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWhy this model fits your needs\u003c\/h3\u003e\n\u003cp\u003eWhen your project calls for a retrofit or replacement, the KD3300X offers a precise spec match that helps maintain system protection, coordination, and electrical safety. Its three‑pole design is ideal for distributing protection across three phases, making it a reliable choice for upgrading or maintaining existing Eaton‑based installations without introducing mismatched components.\u003c\/p\u003e \u003ch3\u003eIdeal use cases\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eMaintenance of existing 3‑phase panels where a direct factory replacement is required\u003c\/li\u003e \u003cli\u003eRetrofit projects that demand exact amperage, pole count, and voltage ratings\u003c\/li\u003e \u003cli\u003eReplacement in systems where the KD3300X is specified as the compatibility reference\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003ePractical guidance for selecting and ordering\u003c\/h3\u003e\n\u003cp\u003eBefore ordering, confirm fit and ratings to ensure seamless compatibility with your equipment. Rely on the part number KD3300X as the primary reference to align with your panel specs and electrical distribution needs. This approach minimizes surprises during installation and helps you restore dependable protection quickly.\u003c\/p\u003e \u003cp\u003eWith the Eaton KD3300X, you’re choosing a purpose‑built, compatibility‑driven circuit breaker designed to keep your three‑phase power system safeguarded—today and into the future.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Eaton","offers":[{"title":"Default Title","offer_id":46426159874210,"sku":"KD3300X","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\/eaton-kd3300x-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}