{"product_id":"eaton-kdc3400-400a-600v-3-pole-circuit-breaker","title":"Eaton KDC3400 - 400 A, 600 V, 3-Pole Circuit Breaker | AmpState","description":"\u003cdiv\u003e\n\u003cp\u003eThe Eaton KDC3400 is a 400 A, 600 V, 3-pole molded case circuit breaker (MCCB) engineered to deliver dependable branch circuit overcurrent and short-circuit protection in panelboards and loadcenters. Built for durability in residential, commercial, and light industrial environments, it’s a reliable choice for safeguarding wiring and equipment while keeping installation compact and organized.\u003c\/p\u003e \u003ch2\u003eWhy the Eaton KDC3400 stands out\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eSpace‑efficient molded case design:\u003c\/strong\u003e A compact profile helps you maximize panel space without compromising protection, making it ideal for modern electrical layouts where space is at a premium.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eThermal‑magnetic trip unit:\u003c\/strong\u003e Delivers stable, repeatable protection across varying load conditions, reducing nuisance trips and ensuring dependable performance when starting motors or handling surge currents.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003e3‑pole configuration:\u003c\/strong\u003e Provides a common trip for three‑phase systems, simplifying wiring and enhancing safety in distribution panels and three‑phase circuits.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eOEM‑level compatibility:\u003c\/strong\u003e Designed to be compatible with matching Eaton OEM loadcenters and panelboards, making replacements and upgrades straightforward without custom adaptors.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVersatile for multiple settings:\u003c\/strong\u003e Suitable for residential, commercial, and light industrial applications, handling general branch circuit protection and short‑circuit events with confidence.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003ePractical use cases and scenarios\u003c\/h3\u003e\n\u003cp\u003eInstall the KDC3400 in panelboards and loadcenters where a high‑capacity, reliable interrupt device is needed. It’s well suited for feeder branches in commercial spaces, service panels in multifamily residences, and small‑to‑mid size industrial circuits that demand solid overcurrent protection. When your system faces unbalanced loads or brief surge currents, the thermal‑magnetic trip unit helps maintain safe operation without unnecessary outages.\u003c\/p\u003e \u003ch3\u003eWho benefits most\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eElectrical contractors performing panel upgrades or replacements in existing Eaton ecosystems.\u003c\/li\u003e \u003cli\u003eFacilities managers seeking durable, long‑lasting protection for equipment and wiring in commercial facilities.\u003c\/li\u003e \u003cli\u003eInstallers working on light industrial distribution that requires robust branch circuit protection and reliable trip performance.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eInstallation and compatibility tips\u003c\/h3\u003e\n\u003cp\u003eTo ensure seamless integration, pair the KDC3400 with compatible OEM loadcenters and panelboards from Eaton’s family. Verify that the panelboard rating and bus configurations align with a 3‑pole, 400 A, 600 V device to maintain proper trip coordination and safe shutdown behavior during faults.\u003c\/p\u003e \u003ch3\u003eTechnical specifications\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eManufacturer:\u003c\/strong\u003e Eaton\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e KDC3400\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e Thermal‑magnetic molded case circuit breaker\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eAmperage Rating:\u003c\/strong\u003e 400 A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage Rating:\u003c\/strong\u003e 600 V\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eNumber of Poles:\u003c\/strong\u003e 3\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eApplication:\u003c\/strong\u003e Branch circuit overcurrent and short‑circuit protection\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Amp State","offers":[{"title":"Default Title","offer_id":46349630668962,"sku":null,"price":710.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/eaton-kdc3400-400-a-600-v-3-pole-circuit-breaker-ampstate-breakers-889.webp?v=1788696017","url":"https:\/\/www.ampstate.com\/products\/eaton-kdc3400-400a-600v-3-pole-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}