{"product_id":"eaton-349a669g01","title":"Eaton 349A669G01 349A 3-Pole 347 V Circuit Breaker Potential Transformer","description":"\u003cdiv\u003e\n\u003cp\u003eIntroducing the Eaton 349A669G01 349A 3-Pole 347 V Circuit Breaker Potential Transformer — a purpose-built protection device engineered for demanding, three-phase power systems. With a robust 349 A current rating and a 347 V nominal operating voltage, this unit delivers reliable fault isolation for large feeders and motor loads while integrating into protection schemes that use potential transformers for metering and relay coordination.\u003c\/p\u003e \u003ch2\u003eWhy this Eaton breaker stands out\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eThree-pole protection:\u003c\/strong\u003e ensures all phases trip together, preserving balanced protection across your three-phase circuits.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003e349 A rating:\u003c\/strong\u003e suitable for high-current feeders and sizable load profiles, reducing nuisance trips while maintaining safety margins.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003e347 V nominal rating:\u003c\/strong\u003e aligned with common industrial distribution networks, providing compatibility with typical 3-phase systems.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePotential Transformer integration:\u003c\/strong\u003e designed to work within PT-based protection and metering schemes for accurate relay coordination and monitoring.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eRugged, industrial engineering:\u003c\/strong\u003e built to endure the rigors of switchboards, motor control centers, and panel boards in demanding environments.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eTraceable part identity:\u003c\/strong\u003e with the fixed part number 349A669G01, facilitating straightforward maintenance, replacements, and documentation.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eIdeal applications\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eLarge industrial facilities with high-current three-phase feeders.\u003c\/li\u003e \u003cli\u003eMotor control centers and switchgear assemblies requiring reliable protection coordination.\u003c\/li\u003e \u003cli\u003eDistribution panels in manufacturing plants, warehouses, and processing facilities.\u003c\/li\u003e \u003cli\u003eSystems that rely on potential transformer-based metering and protection schemes.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eTechnical snapshot\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eCurrent rating:\u003c\/strong\u003e 349 A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePoles:\u003c\/strong\u003e 3\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage rating:\u003c\/strong\u003e 347 V\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePart number:\u003c\/strong\u003e 349A669G01\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eConfiguration:\u003c\/strong\u003e 3-Pole circuit breaker designed for PT-based protection coordination\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eUsage and maintenance tips\u003c\/h3\u003e\n\u003cp\u003eTo maximize performance and safety, ensure installation by a qualified electrician and verify compatibility with your enclosure and protection scheme. Regularly inspect connections, confirm PT wiring where applicable, and schedule periodic functional tests in line with industry standards. This Eaton device is engineered to integrate seamlessly into existing protection architectures, providing dependable isolation when faults occur and supporting accurate system monitoring through PT-based metering.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Eaton","offers":[{"title":"Default Title","offer_id":46423683072162,"sku":"349A669G01","price":510.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/master_generic_a085eff1-75dd-47ee-b131-4c8df8f0489b.png?v=1765492976","url":"https:\/\/www.ampstate.com\/products\/eaton-349a669g01","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}