{"product_id":"eaton-hkd3350-350a-600v-3-pole-circuit-breaker","title":"Eaton HKD3350 - 350 A, 600 V, 3-Pole Circuit Breaker | AmpState","description":"\u003cdiv\u003e\n\u003cp\u003eThe Eaton HKD3350 is a 350 A, 600 V, 3-pole molded case circuit breaker designed to safeguard panelboards and load centers from overcurrent and short-circuit events. Built for dependable protection in residential, commercial, and light industrial settings, this breaker helps you protect critical circuits with precision and reliability.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eCompact molded-case design\u003c\/strong\u003e minimizes panel footprint while preserving space for wiring and future expansion.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eThermal-magnetic trip unit\u003c\/strong\u003e delivers stable, repeatable protection by reacting to both sustained overloads and instantaneous faults, reducing nuisance trips and safeguarding connected equipment.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003e3-pole configuration\u003c\/strong\u003e ideal for three-phase distribution, enabling coordinated protection across all phases in commercial and light industrial panels.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003e600 V rating\u003c\/strong\u003e supports higher-voltage applications, expanding where this breaker can be safely used within your distribution network.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003e350 A current rating\u003c\/strong\u003e provides robust protection for main feeders and sizable branch circuits without compromising response quality.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eOEM panel compatibility\u003c\/strong\u003e designed to integrate smoothly with matching Eaton OEM loadcenters and panelboards for straightforward installation and reliable performance.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eRugged molded case construction\u003c\/strong\u003e built to withstand the daily demands of service panels and fault events, ensuring long-term durability.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003eIdeal use scenarios\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eNew panel installations in offices, retail spaces, or light industrial facilities where reliable three-phase protection is essential.\u003c\/li\u003e \u003cli\u003ePanelboard upgrades or expansions that require higher ampacity and consistent protection curves.\u003c\/li\u003e \u003cli\u003eReplacement for aging protection in Eaton HKD-based installations, preserving system integrity and warranty alignment.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003eTechnical snapshot\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eManufacturer: Eaton\u003c\/li\u003e \u003cli\u003ePart number: HKD3350\u003c\/li\u003e \u003cli\u003eType: Thermal-magnetic molded case circuit breaker\u003c\/li\u003e \u003cli\u003ePoles: 3\u003c\/li\u003e \u003cli\u003eAmperage rating: 350 A\u003c\/li\u003e \u003cli\u003eVoltage rating: 600 V\u003c\/li\u003e \u003cli\u003eApplication: Branch circuit overcurrent and short-circuit protection\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eChoose the Eaton HKD3350 when you need a space-saving, highly reliable protection solution for substantial three-phase circuits. Its combination of compact design, precise thermal-magnetic protection, and seamless compatibility with Eaton panelboards makes it a practical, long-term investment for ensuring electrical safety and system continuity.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Amp State","offers":[{"title":"Default Title","offer_id":46349604257954,"sku":null,"price":710.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/eaton-hkd3350-350-a-600-v-3-pole-circuit-breaker-ampstate-breakers-487.webp?v=1788690442","url":"https:\/\/www.ampstate.com\/products\/eaton-hkd3350-350a-600v-3-pole-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}