{"product_id":"eaton-ld3300w-circuit-breaker","title":"Eaton | LD3300W | Circuit Breaker | 300A | 3-Pole | 600V","description":"\u003cdiv\u003e\n\u003cp\u003eThe Eaton LD3300W circuit breaker is engineered for demanding three‑phase systems, delivering dependable protection for large loads in industrial panels and distribution gear. With a 300A rating and three poles, it’s built to handle robust power rails while keeping electrical faults contained and safe.\u003c\/p\u003e \u003ch3\u003eKey specifications\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eAmperage:\u003c\/strong\u003e 300A\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\n\u003c\/ul\u003e \u003ch3\u003eDesigned for maintenance, retrofit, and replacement\u003c\/h3\u003e\n\u003cp\u003eWhether you're upgrading an aging panel, performing a retrofit to support higher demand, or replacing a failed breaker, the LD3300W is a precise fit for compatible Eaton systems. Its design prioritizes reliable tripping performance and ease of installation within legacy infrastructure, helping you minimize downtime and restore full protection quickly.\u003c\/p\u003e \u003ch3\u003eWho benefits\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eFacilities with three‑phase distribution needs, such as manufacturing floors, warehouses, and processing plants\u003c\/li\u003e \u003cli\u003eData centers and critical load environments that require dependable circuit protection on main feeders and branch circuits\u003c\/li\u003e \u003cli\u003eMaintenance teams upgrading or maintaining Eaton panelboards and switchgear with matching specs\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWhy this matters\u003c\/h3\u003e\n\u003cp\u003eA 300A, 3‑pole device in a 600V class supports substantial three‑phase loads while maintaining coordinated protection across all phases. This reduces the risk of unbalanced fault conditions and helps protect downstream equipment, wiring, and personnel. The LD3300W is part of Eaton’s grounded approach to reliable, predictable overcurrent protection in industrial settings.\u003c\/p\u003e \u003ch3\u003eCompatibility and fit tips\u003c\/h3\u003e\n\u003cp\u003eNotes to ensure a seamless fit: always confirm fit and ratings before ordering. The \u003cstrong\u003epart number LD3300W\u003c\/strong\u003e is the most reliable reference for compatibility with your panel or switchgear. If you’re aligning with an existing Eaton installation, using the exact part number helps ensure the breaker matches your bus design, mounting style, and trip characteristics.\u003c\/p\u003e \u003ch3\u003ePractical use cases\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eReplacing a worn or tripped three‑phase breaker in an Eaton panel during a scheduled maintenance window\u003c\/li\u003e \u003cli\u003eUpgrading a feeder circuit to support higher three‑phase loads without changing the panel footprint\u003c\/li\u003e \u003cli\u003eRetrofit projects where maintaining consistent protection across all three phases is critical for equipment longevity\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eCare and installation notes\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eHave a licensed electrician verify compatibility with your specific panel model and configuration\u003c\/li\u003e \u003cli\u003eEnsure power is fully de‑energized before removal or installation\u003c\/li\u003e \u003cli\u003eFollow manufacturer guidelines for mounting, wiring, and adjustment procedures to maintain rated protection\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Eaton","offers":[{"title":"Default Title","offer_id":46426393837730,"sku":"LD3300W","price":2010.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/eaton-ld3300w-circuit-breaker-300a-3-pole-600v-228.webp?v=1789568748","url":"https:\/\/www.ampstate.com\/products\/eaton-ld3300w-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}