{"product_id":"eaton-mdl3300w-circuit-breaker","title":"Eaton | MDL3300W | Circuit Breaker | 300A | 3-Pole | 600V","description":"\u003cdiv\u003e\n\u003cp\u003e\u003cstrong\u003eEaton MDL3300W\u003c\/strong\u003e is a 300A, 3‑pole, 600V circuit breaker engineered for reliability in demanding electrical environments. Built to handle heavy‑duty protection, it's ideal for maintenance, retrofit, and replacement projects where exact specs matter and downtime is critical.\u003c\/p\u003e \u003cp\u003eWhen you're upgrading or replacing a breaker, matching the part number is the fastest way to ensure compatibility. The MDL3300W carries Eaton's proven protection technology and is designed to slot into panels or assemblies that require a 300A, 3‑pole, 600V device. Confirm fit and ratings before ordering—the part number is the best reference for compatibility.\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\u003eWhy this makes sense for your project\u003c\/h3\u003e\n\u003cp\u003eThe MDL3300W is purpose‑built for quick, reliable protection of large electrical feeders and distribution paths. Its 3‑pole configuration provides balanced control across phases, while the 600V rating supports a wide range of commercial and industrial applications. The Eaton design emphasizes robust interrupting capability and durable construction to resist wear in busy electrical rooms.\u003c\/p\u003e \u003ch3\u003eIdeal use cases\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eMaintenance or retrofit of 3‑phase power panels requiring a 300A, 600V breaker\u003c\/li\u003e \u003cli\u003eReplacement of an aging unit where the exact MDL3300W part number ensures a seamless swap\u003c\/li\u003e \u003cli\u003eNew equipment installations or panel upgrades that demand a high‑capacity, three‑pole protective device\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003ePractical installation tips\u003c\/h3\u003e\n\u003cp\u003eBefore ordering and installing: verify that your panel accepts a 3‑pole, 600V device and that the service amperage aligns with 300A. Use the part number MDL3300W as the best compatibility reference. Schedule installation with a qualified electrician and follow all safety procedures. When in doubt, cross‑check the panel's documentation for mounting style and bus connection requirements.\u003c\/p\u003e \u003cp\u003eWith the Eaton MDL3300W in place, you gain dependable overcurrent protection for critical circuits and a clear, future‑proof path for upgrades thanks to consistent, manufacturer‑backed specifications.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Eaton","offers":[{"title":"Default Title","offer_id":46426442760354,"sku":"MDL3300W","price":2010.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/eaton-mdl3300w-circuit-breaker-300a-3-pole-600v-971.webp?v=1789578260","url":"https:\/\/www.ampstate.com\/products\/eaton-mdl3300w-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}