{"product_id":"eaton-hkd3350c-350a-600v-3-pole-circuit-breaker","title":"Eaton HKD3350C - 350 A, 600 V, 3-Pole Circuit Breaker | AmpState","description":"\u003cdiv\u003e\n\u003cp\u003eIntroducing the Eaton HKD3350C—a 350A, 600V, 3-pole molded case circuit breaker built to safeguard panelboards and load centers from overcurrent and short circuits. This compact unit is designed for residential, commercial, and light-industrial environments where safe, predictable protection matters.\u003c\/p\u003e \u003ch2\u003eWhy the HKD3350C stands out\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eCompact molded-case design\u003c\/strong\u003e: minimizes panel footprint while leaving room for additional circuits, easier wiring, and neater installations.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eThermal‑magnetic trip unit\u003c\/strong\u003e: delivers stable, repeatable protection across a wide range of loads. Thermal protection handles gradual overloads; magnetic protection responds instantly to high faults.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eThree-pole architecture\u003c\/strong\u003e: ensures coordinated, simultaneous interruption on all three phases, preserving system balance in three‑phase panels.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eOEM compatibility\u003c\/strong\u003e: engineered to pair with matching Eaton OEM load centers and panelboards for reliable fit and electrical performance.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVersatile applications\u003c\/strong\u003e: ideal for branch circuit protection in residential, commercial, and light‑industrial installations up to 600V.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eKey specifications at a glance\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eAmperage rating:\u003c\/strong\u003e 350 A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage rating:\u003c\/strong\u003e 600 V\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eNumber of poles:\u003c\/strong\u003e 3\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e Thermal-magnetic molded case circuit breaker\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePart number:\u003c\/strong\u003e HKD3350C\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003ePractical use scenarios\u003c\/h3\u003e\n\u003cp\u003eIn a three‑phase panel, the HKD3350C serves as a robust main or feeder protection device for critical loads. It’s well-suited for:\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eNew installations in commercial or light‑industrial panelboards needing dependable 350A distribution across three phases.\u003c\/li\u003e \u003cli\u003eReplacing aging or underperforming breakers in OEM load centers where fit and trip characteristics must align precisely with existing equipment.\u003c\/li\u003e \u003cli\u003eFeeding motors, HVAC, pumps, and other high‑inrush equipment where controlled, fast interruption protects wiring and downstream devices.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eInstallation and compatibility tips\u003c\/h3\u003e\n\u003cp\u003eTo ensure optimal performance, pair the HKD3350C with compatible Eaton load centers or panelboards. Verify that the panel’s bus design and mounting footprint align with this 3‑pole molded case breaker, and follow standard wiring practices for three‑phase protection. Because of its thermal‑magnetic trip, it adapts to both steady loads and short‑circuit events, helping you minimize downtime and equipment damage.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Amp State","offers":[{"title":"Default Title","offer_id":46349604323490,"sku":null,"price":710.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/eaton-hkd3350c-350-a-600-v-3-pole-circuit-breaker-ampstate-breakers-310.webp?v=1788690450","url":"https:\/\/www.ampstate.com\/products\/eaton-hkd3350c-350a-600v-3-pole-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}