{"product_id":"eaton-hfd4045-circuit-breaker","title":"Eaton | HFD4045 | Circuit Breaker | 45A | 4-Pole | 600V","description":"\u003cdiv\u003e\n\u003cp\u003eIntroducing the Eaton HFD4045 circuit breaker—a rugged 45A, 4-pole protector designed for demanding 600V distribution environments. This unit is purpose-built for maintenance, retrofit, and replacement projects, offering a reliable path to restore safe, compliant power delivery. When ordering, reference the exact part number—HFD4045—to maximize compatibility with your Eaton panels and accessories.\u003c\/p\u003e \u003ch3\u003eWhy this 4-pole breaker stands out\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eFull-conductor isolation\u003c\/strong\u003e: The 4‑pole configuration interrupts all live conductors in 3‑phase systems with a neutral, enhancing safety during trips and maintenance.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003e600V rating\u003c\/strong\u003e: Engineered for industrial distribution and control panels where higher voltage protection is essential.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePrecise current protection\u003c\/strong\u003e: 45A rating provides reliable overload and short-circuit protection for motors, feeders, and heavy loads without nuisance trips.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eTrusted Eaton durability\u003c\/strong\u003e: Built to perform consistently under industrial conditions, with components chosen for long service life and predictable trip behavior.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eClear compatibility reference\u003c\/strong\u003e: The part number HFD4045 serves as the best reference for matching this breaker to your existing gear—always verify fit and ratings before ordering.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eIdeal use cases\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eMaintenance and retrofit projects in commercial or light‑industrial panels where a neutral-inclusive 4‑pole protection device is required.\u003c\/li\u003e \u003cli\u003eReplacement of aging circuit breakers in 3‑phase distribution setups that demand reliable 600V protection.\u003c\/li\u003e \u003cli\u003eNew installations that need a robust 45A, 4‑pole solution with a clear path to compatibility within Eaton’s ecosystem.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eTechnical snapshot\u003c\/h3\u003e\n\u003cp\u003eAmperage: 45A • Poles: 4‑Pole • Voltage: 600V • Part number: HFD4045\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Eaton","offers":[{"title":"Default Title","offer_id":46426447118498,"sku":"HFD4045","price":2010.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/eaton-hfd4045-circuit-breaker-45a-4-pole-600v-165.webp?v=1789579252","url":"https:\/\/www.ampstate.com\/products\/eaton-hfd4045-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}