{"product_id":"eaton-kdc3300-300a-600v-3-pole-circuit-breaker","title":"Eaton KDC3300 - 300 A, 600 V, 3-Pole Circuit Breaker | AmpState","description":"\u003cdiv\u003e\n\u003cp\u003eMeet the Eaton KDC3300 from AmpState — a robust 3-pole molded case circuit breaker engineered to safeguard your electrical systems with precision. With a 300 A rating and a 600 V maximum, this unit delivers dependable branch circuit overcurrent and short-circuit protection for panelboards and loadcenters across residential, commercial, and light industrial environments. Its compact form factor helps you maximize panel space without compromising protection, making it a practical upgrade or replacement in existing Eaton OEM installations.\u003c\/p\u003e \u003ch2\u003eWhy this breaker stands out\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eSpace-efficient molded case design:\u003c\/strong\u003e Optimizes panel layout, freeing up room for wiring and future expansion while maintaining reliable protection.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eThermal-magnetic trip unit:\u003c\/strong\u003e Delivers stable, repeatable protection against overcurrent and short circuits, adapting to varying load conditions for consistent performance.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003e3-pole configuration:\u003c\/strong\u003e Suited for three-phase systems common in commercial and light industrial applications, ensuring coordinated protection across all phases.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eOEM compatibility:\u003c\/strong\u003e Specifically designed to be compatible with matching Eaton OEM loadcenters and panelboards, promoting straightforward installation and reliable operation.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eHigh-capacity protection:\u003c\/strong\u003e 300 A rating makes it ideal for medium-to-large branch circuits, balancing safety with system efficiency in evenly distributed loads.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003eTechnical snapshot\u003c\/h2\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 KDC3300\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 300 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 \u003ch2\u003eIdeal use cases\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003eUpgrading an existing residential or commercial panelboard that serves high-load equipment or machinery where 600 V systems are in play.\u003c\/li\u003e \u003cli\u003eReplacement for aging or tripped breakers in light industrial distribution centers that require reliable, repeatable protection.\u003c\/li\u003e \u003cli\u003eNew installations that demand a compact, three-phase protection solution without sacrificing protection performance.\u003c\/li\u003e \u003cli\u003eApplications where OEM compatibility ensures seamless integration with the existing Eaton panel ecosystem.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003ePractical tips for optimal performance\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003eBefore installation, confirm that your panelboard or loadcenter is designed for 3-pole molded case breakers and compatible with the KDC-series hardware.\u003c\/li\u003e \u003cli\u003eFor best results, pair the KDC3300 with matching Eaton OEM components to ensure coordinated protection and streamlined maintenance.\u003c\/li\u003e \u003cli\u003eRegularly inspect connections for tightness and signs of wear; a secure bus connection helps maintain consistent trip performance and reduces nuisance tripping.\u003c\/li\u003e \u003cli\u003eConsider future load growth in your panel design; the compact footprint of the KDC3300 can free space for additional circuits or future expansions.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eThe Eaton KDC3300 — 300 A, 600 V, 3-Pole Circuit Breaker — delivers reliable, space-conscious protection for a wide range of electrical installations. Trust its thermal-magnetic protection and OEM compatibility to keep your panelboards and loadcenters safe and efficient.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Amp State","offers":[{"title":"Default Title","offer_id":46349630144674,"sku":null,"price":710.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/eaton-kdc3300-300-a-600-v-3-pole-circuit-breaker-ampstate-breakers-841.webp?v=1788695895","url":"https:\/\/www.ampstate.com\/products\/eaton-kdc3300-300a-600v-3-pole-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}