{"product_id":"eaton-cah3125-125a-3-pole-circuit-breaker","title":"Eaton CAH3125 - 125 A, 3-Pole Circuit Breaker | AmpState","description":"\u003cdiv\u003e\n\u003cp\u003eProtect critical circuits with precision and reliability using the Eaton CAH3125—125 A, 3-Pole molded case circuit breaker. Engineered for dependable branch circuit overcurrent and short-circuit protection in panelboards and load centers, this unit is a practical choice for residential, commercial, and light industrial applications.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eCompact molded-case design\u003c\/strong\u003e maximizes panel space and simplifies wiring, helping you fit more circuits into a clean, organized enclosure.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eThermal-magnetic trip unit\u003c\/strong\u003e delivers stable, repeatable protection across temperature fluctuations and fault scenarios, reducing nuisance trips while safeguarding connected equipment.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003e3-pole configuration\u003c\/strong\u003e ideal for 3-phase systems, supporting motors, compressors, and other three-phase loads common in commercial settings.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eOEM compatibility\u003c\/strong\u003e ensures a plug-and-play fit with matching Eaton panelboards and load centers for consistent trip performance and reliable operation.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003e125 A rating\u003c\/strong\u003e provides robust protection for medium-to-heavy branch circuits without sacrificing safety margins.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVersatile application\u003c\/strong\u003e well-suited for residential upgrades, commercial installations, and light industrial electrical systems.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eUse cases and practical scenarios\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eReplacing aging breakers in existing Eaton panelboards to restore reliable protection and trip characteristics.\u003c\/li\u003e \u003cli\u003eProtecting three-phase feeders in small to mid-size commercial environments, such as offices, retail spaces, or light manufacturing lines.\u003c\/li\u003e \u003cli\u003eUpgrading circuit protection for motor loads and equipment where consistent trip performance is essential during startup surges.\u003c\/li\u003e \u003cli\u003eIntegrating into a scalable protection strategy as electrical demand grows and panel configurations evolve.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWho should consider the Eaton CAH3125\u003c\/h3\u003e\n\u003cp\u003eElectrical contractors, facilities managers, and building owners who work with Eaton panelboards and load centers will appreciate the CAH3125 for its combination of space efficiency, reliable protection, and straightforward installation. If you’re planning a panel upgrade, service replacement, or new-build project that requires solid 3-phase overcurrent protection, this 125 A, 3-pole breaker is a dependable choice.\u003c\/p\u003e \u003ch3\u003eTechnical specifications\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eManufacturer:\u003c\/strong\u003e Eaton\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePart number:\u003c\/strong\u003e CAH3125\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e Thermal-magnetic molded case circuit breaker\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eAmperage rating:\u003c\/strong\u003e 125 A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eNumber of poles:\u003c\/strong\u003e 3\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eApplication:\u003c\/strong\u003e Branch circuit overcurrent and short-circuit protection\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eCompatibility:\u003c\/strong\u003e Designed for use with matching OEM Eaton load centers and panelboards\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eChoose the Eaton CAH3125 for a reliable, space-efficient, and scalable protection solution that aligns with Eaton panel systems and meets the demands of modern residential, commercial, and light industrial electric infrastructures.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Amp State","offers":[{"title":"Default Title","offer_id":46349506445474,"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_b1ca844c-ce83-4eca-aabd-40fb8498f939.png?v=1764148495","url":"https:\/\/www.ampstate.com\/products\/eaton-cah3125-125a-3-pole-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}