{"product_id":"ck3400-circuit-breaker","title":"CK3400 | Circuit Breaker | 400A | 3-Pole | 600V","description":"\u003cdiv\u003e\n\u003cp\u003e\u003cstrong\u003eCK3400 Industrial Circuit Breaker\u003c\/strong\u003e — a reliable, purpose-built solution for protecting three‑phase power systems in demanding industrial environments. This 400A, 3‑pole unit is engineered to handle steady loads while providing precise overcurrent protection, helping minimize downtime and equipment wear.\u003c\/p\u003e \u003cp\u003eWhether you’re performing routine maintenance, retrofitting a panel, or replacing a failed breaker, the CK3400 delivers the exact specifications needed to keep your electrical system safe and compliant.\u003c\/p\u003e \u003ch3\u003eKey specifications\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eAmperage:\u003c\/strong\u003e 400 A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePoles:\u003c\/strong\u003e 3‑Pole (three‑phase)\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage rating:\u003c\/strong\u003e 600 V\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWhy this breaker is a smart choice\u003c\/h3\u003e\n\u003cp\u003eThe CK3400 isn’t just another breaker. Its three‑pole design and 400 A capacity are crafted for robust, balanced protection of 3‑phase loads, ensuring smooth operation of motors, pumps, and heavy equipment. The most reliable reference for compatibility is the part number itself—always confirm fit and ratings against your equipment before ordering.\u003c\/p\u003e \u003ch3\u003ePractical use cases\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eMaintenance swaps in aging industrial panels that require a CK3400‑level protection\u003c\/li\u003e \u003cli\u003eRetrofits where a three‑phase, 600 V feed powers critical machinery\u003c\/li\u003e \u003cli\u003eReplacement within a CK3400‑compatible lineup to minimize panel downtime\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eTips for installation and maintenance\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eVerify the panel’s bus configuration and ensure the CK3400 matches the enclosure’s requirements before installation.\u003c\/li\u003e \u003cli\u003eAfter installation, perform a functional test to confirm proper trip operation under simulated fault conditions.\u003c\/li\u003e \u003cli\u003eKeep the CK3400 part number as the primary reference for future replacements or ordering, rather than relying on appearance alone.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"AmpState","offers":[{"title":"Default Title","offer_id":46427286864034,"sku":"CK3400","price":510.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/master_generic_ad06fdd7-931c-4a09-bfbe-d05329579cd6.png?v=1765492978","url":"https:\/\/www.ampstate.com\/products\/ck3400-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}