{"product_id":"eaton-kdc3400-circuit-breaker","title":"Eaton | KDC3400 | Circuit Breaker | 400A | 3-Pole | 600V","description":"\u003cdiv\u003e\n\u003cp\u003eMeet the Eaton KDC3400 circuit breaker—a decisive solution for protecting your 3‑phase, 600V power distribution. Built for reliability in maintenance, retrofit, and replacement projects, this 400A, 3‑pole unit keeps critical systems protected while you upgrade or refresh your electrical infrastructure. When your goal is to minimize downtime and maximize uptime, the KDC3400 delivers consistent performance and easy integration with your existing Eaton equipment.\u003c\/p\u003e \u003ch3\u003eKey specifications\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eAmperage:\u003c\/strong\u003e 400A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePoles:\u003c\/strong\u003e 3‑Pole\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage:\u003c\/strong\u003e 600V\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eReference:\u003c\/strong\u003e Part number KDC3400 is the best reference for compatibility\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWhy this matters for your operation\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003ePrecise protection for three‑phase systems:\u003c\/strong\u003e The 3‑pole design ensures balanced interruption across all phases, helping safeguard motors, drives, and other equipment from overcurrent events.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eHigh‑level compatibility:\u003c\/strong\u003e With a clear focus on matching the KDC3400 specifications, this breaker is intended for installations where exact ratings and form factor are required—reducing guesswork during replacement or retrofits.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eStrategic choice for upgrades:\u003c\/strong\u003e If you’re updating an aging panel or consolidating components in a 600V network, this unit provides a straightforward path to restore reliable protection without overhauling your distribution scheme.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eQuality you can reference:\u003c\/strong\u003e Rely on Eaton’s engineering standards and use the part number KDC3400 as the primary compatibility reference to confirm fitment before ordering.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003ePractical guidance for installation and sourcing\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eConfirm fit and ratings before ordering:\u003c\/strong\u003e Match the exact amperage, pole count, voltage, and physical form factor to your panel and bus configuration.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eUse the part number as your compatibility guide:\u003c\/strong\u003e The KDC3400 designation is the most reliable reference when cross‑checking against drawings, catalogs, or field documents.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eIdeal scenarios:\u003c\/strong\u003e Replacement of a failed 400A, 3‑pole, 600V breaker; retrofit where a like‑for‑like protection device is required; maintenance cycles that call for upgrading to a unit that aligns with existing protection schemes.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eSafety and handling:\u003c\/strong\u003e Follow standard electrical safety practices, de‑energize equipment, and verify circuit integrity before handling or installation.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Eaton","offers":[{"title":"Default Title","offer_id":46425525649570,"sku":"KDC3400","price":6362.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/master_generic_a085eff1-75dd-47ee-b131-4c8df8f0489b.png?v=1765492976","url":"https:\/\/www.ampstate.com\/products\/eaton-kdc3400-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}