{"product_id":"eaton-mdl3300y-300a-600v-3-pole-circuit-breaker","title":"Eaton MDL3300Y - 300 A, 600 V, 3-Pole Circuit Breaker | AmpState","description":"\u003cdiv\u003e\n\u003cp\u003eEaton MDL3300Y is a 300 A, 600 V, 3-pole molded case circuit breaker designed to guard branch circuits against overcurrent and short circuits in panelboards and loadcenters. Its compact molded-case design frees panel space, while a thermal-magnetic trip unit delivers stable, repeatable protection across a wide range of operating conditions. Engineered to integrate with Eaton's OEM loadcenters and panelboards, the MDL3300Y is a dependable choice for residential, commercial, and light industrial installations.\u003c\/p\u003e \u003ch2\u003eKey Features and Benefits\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003eCompact molded-case design to maximize panel space and simplify installation\u003c\/li\u003e \u003cli\u003eThermal-magnetic trip unit for stable, repeatable protection across temperature and load variations\u003c\/li\u003e \u003cli\u003e3-pole configuration suitable for three-phase circuits and multi-pole protection\u003c\/li\u003e \u003cli\u003e600 V rating broadens applicability in commercial and light industrial environments\u003c\/li\u003e \u003cli\u003e300 A current rating supports higher-capacity branch circuits\u003c\/li\u003e \u003cli\u003eSeamless compatibility with matching Eaton OEM loadcenters and panelboards\u003c\/li\u003e \u003cli\u003eSuitable for residential, commercial, and light industrial applications\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003ePractical Use Scenarios\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003eMain protection for service panels in small to mid-size commercial spaces\u003c\/li\u003e \u003cli\u003eBranch circuit protection for heavy-duty lighting and motor loads\u003c\/li\u003e \u003cli\u003eRetrofit or replacement within an Eaton panel ecosystem to maintain consistent protection characteristics\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003eTechnical Snapshot\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003eManufacturer: Eaton\u003c\/li\u003e \u003cli\u003ePart Number: MDL3300Y\u003c\/li\u003e \u003cli\u003eType: Thermal-magnetic molded case circuit breaker\u003c\/li\u003e \u003cli\u003eAmperage Rating: 300 A\u003c\/li\u003e \u003cli\u003eVoltage Rating: 600 V\u003c\/li\u003e \u003cli\u003eNumber of Poles: 3\u003c\/li\u003e \u003cli\u003eApplication: Branch circuit overcurrent and short-circuit protection\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003eInstallation \u0026amp; Compatibility\u003c\/h2\u003e\n\u003cp\u003eDesigned to snap into matching OEM loadcenters and panelboards, the MDL3300Y ensures a cohesive protection solution within your Eaton ecosystem. For best results, pair with other Eaton devices to maintain coordinated protection and consistent trip characteristics across the system.\u003c\/p\u003e \u003ch2\u003eWhy Choose the MDL3300Y for Your Eaton Panel\u003c\/h2\u003e\n\u003cp\u003eThis molded case breaker combines a space-efficient footprint with the reliability of a thermal-magnetic trip unit, delivering dependable protection for demanding circuits without complicating panel layouts. Choosing the MDL3300Y supports a streamlined service experience, straightforward replacements, and a unified protection strategy across compatible Eaton panelboards and loadcenters.\u003c\/p\u003e \u003cp\u003eInvest in robust, scalable protection for your electrical system with the Eaton MDL3300Y 300 A, 600 V, 3-pole molded case circuit breaker.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Amp State","offers":[{"title":"Default Title","offer_id":46349637910690,"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_85798de5-978b-4adf-b23a-be4ae32332a4.png?v=1764152183","url":"https:\/\/www.ampstate.com\/products\/eaton-mdl3300y-300a-600v-3-pole-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}