{"product_id":"eaton-cutler-hammer-kes3400ls-400a-3p-600v-circuit-breaker","title":"Eaton Cutler-Hammer KES3400LS 400A 3P 600V Circuit Breaker | AmpState","description":"\u003cdiv\u003e\n\u003cp\u003eIntroducing the Eaton Cutler-Hammer KES3400LS 400A 3-Pole 600V Circuit Breaker—designed to deliver dependable overcurrent protection for panelboards, load centers, and electrical distribution networks.\u003c\/p\u003e \u003cp\u003eBuilt for everyday electrical work, this 3-pole circuit breaker handles high-demand feeder circuits with a robust 400 A rating and a 600V operating capability. Its design supports reliable performance in both retrofit projects and ongoing maintenance, especially when the part number must remain consistent across installations.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eAmperage:\u003c\/strong\u003e 400 A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePoles:\u003c\/strong\u003e 3\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage:\u003c\/strong\u003e 600V\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eManufacturer:\u003c\/strong\u003e Eaton Cutler-Hammer\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e KES3400LS\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003eWhy this KES3400LS stands out\u003c\/strong\u003e for professional maintenance and retrofit work is its emphasis on compatibility and reliability. The part-number consistency simplifies sourcing and stock management across multiple panels, reducing downtime and guesswork during upgrades or replacements. With proven protection for essential circuits, it minimizes nuisance trips and safeguards electrical distribution in commercial and light industrial environments.\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eIdeal use cases\u003c\/strong\u003e include retrofit installations where large feeders require a 400 A, 3-pole breaker, and maintenance projects that rely on a standardized part number to streamline ordering and installation. It’s well-suited for panelboards and load centers that power demanding equipment, climate control systems, and other critical loads at 600V.\u003c\/p\u003e \u003cp\u003eIf you’re unsure about fit or compatibility, AmpState is ready to help verify that the KES3400LS matches your panel configuration and bus connections. Send a quick inquiry, and the team will confirm the best match for your setup.\u003c\/p\u003e \u003cp\u003eChoose the Eaton Cutler-Hammer KES3400LS 400A 3P 600V circuit breaker for durable, high-capacity protection that aligns with professional maintenance workflows and retrofit projects. It’s a practical, reliable solution for safeguarding your electrical distribution with confidence.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"AmpState","offers":[{"title":"Default Title","offer_id":46410955522210,"sku":"KES3400LS","price":5807.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/master_generic_83963f7f-600e-419f-90c6-e7677089642b.png?v=1765492973","url":"https:\/\/www.ampstate.com\/products\/eaton-cutler-hammer-kes3400ls-400a-3p-600v-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}