{"product_id":"eaton-hld3350-350a-600v-3-pole-circuit-breaker","title":"Eaton HLD3350 - 350 A, 600 V, 3-Pole Circuit Breaker | AmpState","description":"\u003cdiv\u003e\n\u003cp\u003eThe Eaton HLD3350 is a rugged 350A, 600V, 3-pole molded case circuit breaker designed to safeguard branch circuits within panelboards and loadcenters. Built for dependable protection, this unit helps ensure reliable power distribution in demanding residential, commercial, and light industrial environments.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eCompact molded-case design\u003c\/strong\u003e optimizes panel space, making it easier to fit higher protection in tighter electrical rooms or compact enclosure footprints.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eThermal-magnetic trip unit\u003c\/strong\u003e delivers stable, repeatable protection by combining overload (thermal) sensing with instantaneous short-circuit interruption (magnetic), reducing nuisance trips and protecting downstream equipment.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003e3-pole configuration\u003c\/strong\u003e provides balanced protection for three-phase systems, coordinating effectively with three-phase panelboards and loadcenters.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003e350A, 600V rating\u003c\/strong\u003e aligns with higher-load circuits and industrial-style applications while maintaining compatibility with standard distribution gear.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eOEM-matching compatibility\u003c\/strong\u003e designed to pair with Eaton’s own loadcenters and panelboards for straightforward, reliable replacement or upgrade installs.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVersatile application\u003c\/strong\u003e suitable for residential, commercial, and light industrial settings where robust branch-circuit protection is essential.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWhy this breaker stands out\u003c\/h3\u003e\n\u003cp\u003eUnlike generic protectors, the HLD3350 is built to integrate seamlessly with Eaton’s ecosystem of panelboards, ensuring coordinated protection and predictable trip behavior. The thermal-magnetic mechanism translates to precise protection curves under varying load conditions, helping to minimize downtime and extend the life of connected equipment.\u003c\/p\u003e \u003ch3\u003eIdeal use scenarios\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eUpgrading or replacing protection in existing panelboards where three-phase distribution is used.\u003c\/li\u003e \u003cli\u003eNew installations in commercial spaces with higher power demands and compact panel layouts.\u003c\/li\u003e \u003cli\u003eLight industrial electrical rooms needing reliable, three-pole overcurrent and short-circuit protection.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eCompatibility and installation notes\u003c\/h3\u003e\n\u003cp\u003ePair the Eaton HLD3350 with matching OEM loadcenters and panelboards for optimal performance. Verify that the panelboard is rated for 600V and supports a 3-pole, 350A molded case breaker of this frame. Follow standard electrical practices and local codes when installing or upgrading distribution equipment.\u003c\/p\u003e \u003ch3\u003eTechnical snapshot\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eManufacturer:\u003c\/strong\u003e Eaton\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003ePart Number:\u003c\/strong\u003e HLD3350\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eType:\u003c\/strong\u003e Thermal-magnetic molded case circuit breaker\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eAmperage Rating:\u003c\/strong\u003e 350A\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eVoltage Rating:\u003c\/strong\u003e 600V\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eNumber of Poles:\u003c\/strong\u003e 3\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eApplication:\u003c\/strong\u003e Branch circuit overcurrent and short-circuit protection\u003c\/p\u003e \u003cp\u003eWith the Eaton HLD3350, you get trusted three-phase protection that fits neatly into your panelboard ecosystem, delivering dependable performance when it matters most—keeping circuits safe and equipment operating smoothly.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Amp State","offers":[{"title":"Default Title","offer_id":46349605765282,"sku":null,"price":710.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/eaton-hld3350-350-a-600-v-3-pole-circuit-breaker-ampstate-breakers-465.webp?v=1788690595","url":"https:\/\/www.ampstate.com\/products\/eaton-hld3350-350a-600v-3-pole-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}