{"product_id":"eaton-ca3125-125a-240v-3-pole-circuit-breaker","title":"Eaton CA3125 - 125 A, 240 V, 3-Pole Circuit Breaker | AmpState","description":"\u003cdiv\u003e\n\u003cp\u003e\u003cstrong\u003eEaton CA3125\u003c\/strong\u003e is a rugged 125A, 240V, 3-pole molded-case circuit breaker engineered to protect your electrical system with precision in panelboards and loadcenters. This device combines compact design with dependable trip performance, making it a smart choice for residential, commercial, and light industrial installations.\u003c\/p\u003e \u003ch3\u003eWhat makes the CA3125 stand out\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eCompact molded-case design\u003c\/strong\u003e maximizes panel space while delivering reliable protection, so you can fit this essential safety component into tight enclosures without sacrificing performance.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eThermal-magnetic trip unit\u003c\/strong\u003e delivers stable, repeatable protection across a range of loads and temperatures. The thermal element handles normal overcurrent conditions, while the magnetic element rapidly disconnects during short-circuit events, minimizing damage to wiring and connected equipment.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003e3-pole, 125A, 240V configuration\u003c\/strong\u003e is ideal for panelboards and loadcenters that require a robust multi-pole protection device operating at standard 240V systems.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eOEM compatibility\u003c\/strong\u003e designed to work seamlessly with matching Eaton OEM loadcenters and panelboards, helping ensure consistent trip characteristics and reliable electrical coordination.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVersatility across environments\u003c\/strong\u003e suitable for residential settings, small to mid-size commercial spaces, and light industrial applications where dependable branch circuit overcurrent and short-circuit protection is needed.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eTechnical snapshot\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 CA3125\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 125A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage Rating:\u003c\/strong\u003e 240V\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\n\u003c\/ul\u003e \u003ch3\u003eIdeal use scenarios\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eResidential service panels and subpanels where a reliable 125A protection device is required at 240V.\u003c\/li\u003e \u003cli\u003eCommercial installations that demand compact, space-efficient circuit breakers without compromising safety margins.\u003c\/li\u003e \u003cli\u003eLight industrial environments where multi-pole protection supports equipment with higher safety requirements.\u003c\/li\u003e \u003cli\u003ePanels and loadcenters within Eaton ecosystems, ensuring smooth maintenance and straightforward part replacements.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWhy this matters for you\u003c\/h3\u003e\n\u003cp\u003eChoosing the Eaton CA3125 means aligning with a trusted protection strategy that emphasizes consistence across installations. Its thermal-magnetic trip mechanism reduces nuisance trips while still delivering rapid fault isolation during short circuits, helping protect conductors, devices, and downstream equipment. The combination of a compact footprint and OEM panel compatibility simplifies retrofits and new builds alike, so you can upgrade or expand your electrical system with confidence.\u003c\/p\u003e \u003ch3\u003ePractical tips for installation and care\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eVerify that your panelboard or loadcenter is designed to accept a 3-pole 125A 240V molded-case breaker of this style to ensure proper mechanical fit and electrical coordination.\u003c\/li\u003e \u003cli\u003eInspect panel labeling to confirm compatible trip curves and warranty considerations when integrating the CA3125 into existing Eaton systems.\u003c\/li\u003e \u003cli\u003eCoordinate with a qualified electrician for correct torque on terminal lugs and to ensure compliance with local electrical codes and safety practices.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Amp State","offers":[{"title":"Default Title","offer_id":46349506052258,"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_13983854-4636-4145-bc4c-21a1e281ce23.png?v=1764148483","url":"https:\/\/www.ampstate.com\/products\/eaton-ca3125-125a-240v-3-pole-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}