{"product_id":"eaton-ld3300c-300a-600v-3-pole-circuit-breaker","title":"Eaton LD3300C - 300 A, 600 V, 3-Pole Circuit Breaker | AmpState","description":"\u003cdiv\u003e\n\u003cp\u003eMeet the Eaton LD3300C — a 300A, 600V, 3-pole molded case circuit breaker engineered to protect your panelboards and loadcenters. This breaker is designed for dependable branch circuit overcurrent and short-circuit protection, delivering reliable performance in demanding residential, commercial, and light industrial applications.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eCompact molded-case design\u003c\/strong\u003e minimizes footprint, freeing valuable panel space and simplifying wiring within crowded load centers.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eThermal-magnetic trip unit\u003c\/strong\u003e provides stable, repeatable protection by quickly responding to short circuits while calmly handling overloads.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003e3-pole configuration\u003c\/strong\u003e supports 3-phase systems, enabling coordinated protection across all phases.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003e300A, 600V rating\u003c\/strong\u003e handles high-current branch circuits safely in a wide range of installations.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eOEM-compatible\u003c\/strong\u003e designed to pair with matching Eaton OEM load centers and panelboards for reliable, straightforward replacements or upgrades.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eApplications\u003c\/strong\u003e ideal for residential, commercial, and light industrial environments where heavy-duty protection is needed.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWhy choose the LD3300C for your electrical protection\u003c\/h3\u003e \u003cp\u003eThe LD3300C goes beyond a simple trip device. Its thermal-magnetic mechanism delivers real-world protection that stays consistent across temperature changes and varying load conditions. By using a three-pole design in panelboard configurations, you ensure balanced protection and simplified wiring with a single device.\u003c\/p\u003e \u003ch3\u003eCommon use cases\u003c\/h3\u003e \u003cul\u003e \u003cli\u003eUpgrading existing panelboards where a high-current, three-pole protection device is required\u003c\/li\u003e \u003cli\u003eFeeding commercial equipment with three-phase power while maintaining clean, organized panel layouts\u003c\/li\u003e \u003cli\u003eReplacing aging breakers in residential or light industrial installations where reliable short-circuit protection is essential\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eTechnical snapshot\u003c\/h3\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eManufacturer:\u003c\/strong\u003e Eaton\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePart number:\u003c\/strong\u003e LD3300C\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 300A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage rating:\u003c\/strong\u003e 600V\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePoles:\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 \u003ch3\u003eInstallation and best practices\u003c\/h3\u003e \u003cul\u003e \u003cli\u003eEnsure compatibility with your panelboard’s OEM family; verify mounting and connection standards before installation.\u003c\/li\u003e \u003cli\u003ePower down the system and follow proper lockout\/tagout procedures during replacement or installation.\u003c\/li\u003e \u003cli\u003eMount securely, connect conductors per manufacturer guidelines, and label the circuit for easy maintenance.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Amp State","offers":[{"title":"Default Title","offer_id":46349631619234,"sku":null,"price":710.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/eaton_breaker_and_panels_6121b266-8862-40e2-9e03-d1e8054d0441.png?v=1764151965","url":"https:\/\/www.ampstate.com\/products\/eaton-ld3300c-300a-600v-3-pole-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}