{"product_id":"eaton-cutler-hammer-a4ks400t1-400a-circuit-breaker","title":"Eaton Cutler-Hammer A4KS400T1 400A Circuit Breaker | AmpState","description":"\u003cdiv\u003e\n\u003cp\u003eMeet the \u003cstrong\u003eEaton Cutler-Hammer A4KS400T1\u003c\/strong\u003e 400A circuit breaker — a rugged, reliable solution built for everyday electrical work. Designed for circuit protection in panelboards, load centers, and electrical distribution systems, this breaker helps keep your projects safe, efficient, and compliant with your original installation.\u003c\/p\u003e \u003cp\u003eWhy choose the A4KS400T1 for replacement or spare stock? It’s tailored to align with your BOM and original part numbers, making procurement smoother and system reassembly faster. Keeping genuine Eaton components on hand reduces guesswork on compatibility and minimizes downtime when servicing critical distribution panels.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003e400 A amperage\u003c\/strong\u003e rating provides robust protection for your high-demand circuits without overloading downstream equipment.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eOriginal equipment alignment\u003c\/strong\u003e ensures you can replace or stock the exact part referenced in your bills of materials, preserving configuration and paperwork accuracy.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eAvailability from AmpState\u003c\/strong\u003e means genuine Eaton parts are ready when you need them for maintenance, upgrades, or emergency replacements.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eCompatibility support\u003c\/strong\u003e: Need help confirming fit? Message us and we’ll help verify whether A4KS400T1 matches your panel model and BOM.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eTrusted brand\u003c\/strong\u003e — Eaton Cutler-Hammer is known for dependable performance and long service life in commercial and industrial settings.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eThis breaker is ideal for:\u003c\/p\u003e \u003cul\u003e \u003cli\u003eReplacement projects in panelboards and distribution subpanels where a precise OEM part is required\u003c\/li\u003e \u003cli\u003eStocking spares for field service crews to reduce downtime during outages\u003c\/li\u003e \u003cli\u003eMaintaining BOM integrity when upgrading or maintaining existing electrical distribution infrastructure\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003eKey specifications\u003c\/strong\u003e\u003c\/p\u003e \u003cul\u003e \u003cli\u003eManufacturer: Eaton Cutler-Hammer\u003c\/li\u003e \u003cli\u003ePart Number: A4KS400T1\u003c\/li\u003e \u003cli\u003eProduct Type: Circuit Breaker\u003c\/li\u003e \u003cli\u003eAmperage: 400 A\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eLeverage this genuine Eaton component to safeguard your electrical distribution network with confidence. If you’re unsure about fit, reach out—we’re ready to help confirm compatibility and ensure you get the exact part you need from AmpState.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"AmpState","offers":[{"title":"Default Title","offer_id":46412985172130,"sku":"A4KS400T1","price":451.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/eaton-cutler-hammer-a4ks400t1-400a-circuit-breaker-ampstate-breakers-412.webp?v=1789038267","url":"https:\/\/www.ampstate.com\/products\/eaton-cutler-hammer-a4ks400t1-400a-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}