{"product_id":"eaton-ecb400nk-400a-circuit-breaker","title":"Eaton ECB400NK Circuit Breaker, 400A","description":"\u003cdiv\u003e\n\u003cp\u003eThe Eaton ECB400NK Circuit Breaker, 400 A, is built for industrial electrical service, maintenance, and replacement projects. This genuine Eaton component provides reliable overcurrent protection while enabling safe isolation when service or upgrades are required. With a 400 amp rating, it’s positioned to handle higher-demand circuits common in industrial settings.\u003c\/p\u003e \u003cp\u003eProduct details at a glance: Manufacturer — Eaton; Part Number — ECB400NK; Product Type — Circuit Breaker; Amperage — 400 A. Use the part number ECB400NK to confirm compatibility for your application and ensure the device matches your system requirements before purchase.\u003c\/p\u003e \u003ch3\u003eWhy the ECB400NK stands out\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eDesigned specifically for industrial electrical service and maintenance tasks, making it a practical choice for replacements and service work.\u003c\/li\u003e \u003cli\u003eGenuine Eaton hardware ensures consistent performance and dependable protection when ECB400NK is the correct part number for your application.\u003c\/li\u003e \u003cli\u003ePart-number-based compatibility verification helps reduce fitment uncertainty and installation delays.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eHow to verify compatibility and buy with confidence\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eConfirm the part number: ECB400NK matches your equipment and application requirements.\u003c\/li\u003e \u003cli\u003eEnsure the demanded protection level aligns with your 400 A circuit needs.\u003c\/li\u003e \u003cli\u003eNeed help matching a part number or confirming compatibility? Message us and we’ll help verify the fit.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"AmpState","offers":[{"title":"Default Title","offer_id":46414500823202,"sku":"ECB400NK","price":460.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/master_generic_513d6710-3734-4b27-839d-f68e6f4b470a.png?v=1765492974","url":"https:\/\/www.ampstate.com\/products\/eaton-ecb400nk-400a-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}