{"product_id":"eaton-hfd3040w-circuit-breaker","title":"Eaton | HFD3040W | Circuit Breaker | 40A | 3-Pole | 600V","description":"\u003cdiv\u003e\n\u003cp\u003e\u003cstrong\u003eEaton HFD3040W Circuit Breaker, 40A, 3-Pole, 600V\u003c\/strong\u003e is engineered for reliable overcurrent protection in maintenance, retrofit, and replacement projects. Designed to support 3-phase systems, this Eaton breaker provides consistent performance and safety in commercial and industrial panels.\u003c\/p\u003e \u003cp\u003eKey specifications and practical benefits:\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eAmperage: 40A\u003c\/strong\u003e — precise protection for circuits requiring a 40-amp limit, helping to prevent wiring damage and electrical fires without unnecessary interruptions.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePoles: 3-Pole\u003c\/strong\u003e — ideal for typical 3-phase installations, ensuring coordinated protection across all three lines in a system.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage: 600V\u003c\/strong\u003e — suitable for higher-voltage environments commonly found in commercial applications, providing robust protection within this rating.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePart number: HFD3040W\u003c\/strong\u003e — use this reference as the most reliable compatibility identifier when selecting replacements or retrofits.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eDesigned for maintenance, retrofit, and replacement\u003c\/strong\u003e — a practical choice when updating or replacing aging or incompatible breakers while preserving system integrity.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eCompatibility and installation notes:\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eBefore ordering, \u003cstrong\u003econfirm fit and ratings\u003c\/strong\u003e against your panel or distribution equipment to ensure proper function and safety.\u003c\/li\u003e \u003cli\u003eKeep the \u003cstrong\u003eHFD3040W\u003c\/strong\u003e part number handy as the best reference for matching specifications and coordinating with distributors or catalogs.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eWhy this Eaton breaker stands out: it combines a precise 40A rating with a 3-pole configuration and a 600V rating to meet the demands of modern 3-phase electrical systems. When you need a dependable replacement or retrofit that aligns with established Eaton standards, the HFD3040W delivers straightforward compatibility and predictable performance, helping you restore protection quickly and with confidence.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Eaton","offers":[{"title":"Default Title","offer_id":46426607845538,"sku":"HFD3040W","price":2971.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/master_generic_16d3a2fb-5d93-424c-9206-5031ec4b178f.png?v=1765492977","url":"https:\/\/www.ampstate.com\/products\/eaton-hfd3040w-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}