{"product_id":"eaton-ckd3400x-circuit-breaker","title":"Eaton | CKD3400X | Circuit Breaker | 400A | 3-Pole | 600V","description":"\u003cdiv\u003e\n\u003cp\u003eWhen reliable protection matters most in industrial power systems, the Eaton CKD3400X Circuit Breaker delivers proven performance for three-phase distribution. This 400 A, 3-pole unit is engineered to handle demanding equipment and ensures rapid fault isolation across all three phases, with a 600 V rating that covers a wide range of control and motor circuits.\u003c\/p\u003e \u003ch3\u003eKey specifications at a glance\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eAmperage:\u003c\/strong\u003e 400 A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePole configuration:\u003c\/strong\u003e 3-Pole (three-phase protection)\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage rating:\u003c\/strong\u003e 600 V\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePart reference:\u003c\/strong\u003e CKD3400X — the best reference for compatibility\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eIdeal for:\u003c\/strong\u003e maintenance, retrofit, and replacement where exact specifications are required\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWhy choose the CKD3400X for your system\u003c\/h3\u003e\n\u003cp\u003eThe CKD3400X isn’t just a spec sheet entry—it’s a dependable component designed to integrate smoothly with Eaton’s protection ecosystem. By choosing the CKD3400X, you’re selecting a proven form factor and rating that align with existing Eaton panelboards, switchgear, and distribution gear, helping you maintain consistent protection characteristics across your installation.\u003c\/p\u003e \u003ch3\u003eWho benefits most\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eMaintenance teams performing routine service on 3-phase electrical systems up to 600 V\u003c\/li\u003e \u003cli\u003eRetrofit projects upgrading or replacing aging protection devices with a compatible Eaton part\u003c\/li\u003e \u003cli\u003eInstallation engineers sourcing a ready-to-match 400 A, 3-pole breaker for new or expanded industrial circuits\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003ePractical considerations and usage notes\u003c\/h3\u003e\n\u003cp\u003eBefore placing an order, verify that CKD3400X fits your panel or switchgear and that the amperage, pole count, and voltage rating match your design requirements. The part number CKD3400X serves as the most reliable compatibility reference, ensuring you source the correct device for your exact installation. This targeted approach minimizes downtime and ensures consistent protective performance across your electrical system.\u003c\/p\u003e \u003ch3\u003eUsage scenarios in the real world\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eUpgrading a legacy motor control center to maintain a coordinated 3-phase protection scheme\u003c\/li\u003e \u003cli\u003eReplacing failed or discontinued breakers in industrial panels while preserving circuit integrity\u003c\/li\u003e \u003cli\u003eIn retrofit projects where exact Eaton specifications are required to maintain certificate of conformity or warranty coverage\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eChoosing the right circuit breaker is about precise fit and dependable operation. The Eaton CKD3400X delivers both, with a clear alignment to your 400 A, 3-pole, 600 V protection needs. Ensure compatibility by confirming fit and ratings against your installation documentation, and reference the CKD3400X part number for an accurate match.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Eaton","offers":[{"title":"Default Title","offer_id":46426425327778,"sku":"CKD3400X","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-ckd3400x-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}