{"product_id":"eaton-666a347h17","title":"Eaton 666A347H17 666A 347 V Circuit Breaker","description":"\u003cdiv\u003e\n\u003cp\u003e\u003cstrong\u003eEaton 666A347H17 Circuit Breaker\u003c\/strong\u003e is a purpose-built protective device designed for demanding power distribution. With a robust current rating of \u003cstrong\u003e666 A\u003c\/strong\u003e and a voltage rating of \u003cstrong\u003e347 V\u003c\/strong\u003e, this part delivers dependable overcurrent protection for high-load circuits in commercial and industrial settings. The part number \u003cstrong\u003e666A347H17\u003c\/strong\u003e identifies a genuine Eaton replacement, ensuring compatibility and traceability within Eaton panelboards and switchgear designed to accept this rating.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eCurrent rating:\u003c\/strong\u003e 666 A\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 666A347H17\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eWhy choose the Eaton 666A347H17? This breaker is engineered to respond promptly to overloads, interrupting the circuit to prevent equipment damage and reduce downtime. It’s especially well-suited for installations that demand substantial feeder protection and reliable performance at 347 V, making it a practical choice for large facilities, manufacturing environments, and data-center infrastructure that rely on stable power distribution.\u003c\/p\u003e \u003cp\u003eIdeal use scenarios include main service disconnects and heavy feeder protection in facilities where power systems run at higher current levels. If you’re upgrading or standardizing breakers across multiple panels, the Eaton 666A347H17 provides a consistent, traceable solution that aligns with Eaton’s trusted engineering standards.\u003c\/p\u003e \u003cp\u003ePractical tips for use and maintenance:\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eAlways verify compatibility with your specific Eaton panelboard or switchgear before installation, following the official installation instructions for torque and terminations.\u003c\/li\u003e \u003cli\u003eRecord the part number in maintenance logs to simplify future replacements and audits.\u003c\/li\u003e \u003cli\u003eStore spares in a controlled environment to preserve electrical performance and reliability.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Eaton","offers":[{"title":"Default Title","offer_id":46423654334626,"sku":"666A347H17","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-666a347h17","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}