{"product_id":"eaton-kd3350y-350a-600v-3-pole-bolt-on-circuit-breaker","title":"Eaton KD3350Y - 350 A, 600 V, 3-Pole Bolt-On Circuit Breaker | AmpState","description":"\u003cdiv\u003e\n\u003cp\u003eThe Eaton KD3350Y is a 350A, 600V, 3-pole bolt-on molded case circuit breaker designed to deliver dependable branch circuit overcurrent and short-circuit protection in panelboards and load centers. Built to endure the demands of modern electrical systems, it combines rugged construction with precise protection, making it a trusted choice for installers and engineers.\u003c\/p\u003e \u003ch3\u003eKey features that enhance reliability\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cb\u003eSecure bolt-on mounting\u003c\/b\u003e creates a rigid, vibration-resistant bus connection, reducing movement-related wear and ensuring consistent electrical contact in demanding environments.\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eThermal-magnetic trip unit\u003c\/b\u003e provides stable, repeatable protection by accurately responding to both overcurrent and short-circuit conditions, minimizing nuisance trips while safeguarding downstream circuits.\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eOEM-compatible design\u003c\/b\u003e is engineered to work seamlessly with matching OEM load centers and panelboards, simplifying replacement and maintenance in established installations.\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eVersatile application range\u003c\/b\u003e suitable for residential, commercial, and light industrial settings, delivering reliable protection across a variety of system sizes and configurations.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eTechnical specifications at a glance\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cb\u003eManufacturer:\u003c\/b\u003e Eaton\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003ePart Number:\u003c\/b\u003e KD3350Y\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eType:\u003c\/b\u003e Thermal-magnetic molded case circuit breaker\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eAmperage Rating:\u003c\/b\u003e 350A\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eVoltage Rating:\u003c\/b\u003e 600V\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eNumber of Poles:\u003c\/b\u003e 3\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eMounting Style:\u003c\/b\u003e Bolt-on\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eApplication:\u003c\/b\u003e Branch circuit overcurrent and short-circuit protection\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eIdeal use cases\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003ePanelboards and load centers in residential buildings where robust branch protection is required.\u003c\/li\u003e \u003cli\u003eCommercial electrical rooms and service panels needing reliable 3-pole protection for three-phase circuits.\u003c\/li\u003e \u003cli\u003eLight industrial applications where a secure, vibration-resistant connection and precise trip characteristics are critical.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWhy this Eaton KD3350Y stands out\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eDistinctive bolt-on design minimizes bus movement, enhancing long-term contact reliability in installations exposed to vibration or movement.\u003c\/li\u003e \u003cli\u003eThermal-magnetic trip system delivers accurate coordination with other protective devices, helping to prevent cascading trips while maintaining fast response to faults.\u003c\/li\u003e \u003cli\u003eProven compatibility with OEM panelboards and load centers reduces installation risk and simplifies ongoing maintenance in systems with existing Eaton or OEM equipment.\u003c\/li\u003e \u003cli\u003eHigh-current, high-voltage capability (350A, 600V) makes it suitable for a broad range of branch circuits, from feeders to motor-control related protection, without needing multiple device types.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003ePractical tips and considerations\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eEnsure you pair this breaker with a matching OEM panelboard or load center for guaranteed fit and performance.\u003c\/li\u003e \u003cli\u003eFollow manufacturer installation guidelines for torque and mounting to preserve the integrity of the bolt-on connection and trip mechanism.\u003c\/li\u003e \u003cli\u003eUse this KD3350Y in circuits where three-phase protection is required and where panel installations benefit from a compact, molded-case form factor.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eWith the Eaton KD3350Y, you get a sturdy, dependable solution for protecting electrical distribution in a variety of settings. Its combination of secure mounting, precise thermal-magnetic protection, and OEM compatibility makes it a practical choice for engineers and electricians seeking reliable, compliant circuit protection.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Amp State","offers":[{"title":"Default Title","offer_id":46349627719842,"sku":null,"price":710.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/eaton-kd3350y-350-a-600-v-3-pole-bolt-on-circuit-breaker-ampstate-360.webp?v=1788695520","url":"https:\/\/www.ampstate.com\/products\/eaton-kd3350y-350a-600v-3-pole-bolt-on-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}