{"product_id":"eaton-hfd3045-45a-600v-3-pole-circuit-breaker","title":"Eaton HFD3045 - 45 A, 600 V, 3-Pole Circuit Breaker | AmpState","description":"\u003cdiv\u003e\n\u003cstrong\u003eEaton HFD3045\u003c\/strong\u003e is a dependable 45A, 600V, 3-pole molded case circuit breaker designed to protect your panelboards and load centers from overcurrent and short-circuit events. With a compact, space-saving molded case and a thermal-magnetic trip unit, this breaker delivers stable, repeatable protection where it matters most—whether you’re wiring a residential panel, a commercial distribution board, or a light industrial installation. \u003ch3\u003eWhy this breaker stands out\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eCompact molded case design\u003c\/strong\u003e minimizes footprint in crowded panelboards, making it easier to fit multiple circuits without sacrificing space or future expandability.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eThermal-magnetic trip unit\u003c\/strong\u003e provides precise protection by combining thermal delay with magnetic instantaneous trip, reducing nuisance trips while ensuring fast fault clearance when a short occurs.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eOEM-compatible installation\u003c\/strong\u003e is built to pair with matching Eaton panelboards and load centers, ensuring seamless fit, consistent electrical performance, and straightforward replacements.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVersatile application range\u003c\/strong\u003e suitable for residential, commercial, and light industrial environments, where dependable branch-circuit protection is critical.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eRugged, trusted performance\u003c\/strong\u003e engineered for reliable operation in demanding electrical systems and voltage conditions up to 600V.\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 HFD3045\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e Thermal-magnetic molded case circuit breaker (MCCB)\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eAmperage Rating:\u003c\/strong\u003e 45A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage Rating:\u003c\/strong\u003e 600V\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 cases and scenarios\u003c\/h3\u003e\n\u003cp\u003eWhen wiring a three-phase panel in a small commercial space or light industrial setup, the Eaton HFD3045 serves as the reliable backbone for feed-heavy equipment, HVAC controls, and general-purpose branch circuits. Its \u003cem\u003ethree-pole\u003c\/em\u003e design makes it well-suited for three-phase systems, while the 600V rating accommodates higher voltage equipment and distribution needs. If you’re upgrading an aging panel or replacing a worn-out breaker, the HFD3045’s compatibility with Eaton OEM boards helps ensure a smooth, drop-in retrofit with predictable trip characteristics.\u003c\/p\u003e \u003ch3\u003ePractical benefits you’ll notice\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eSpace efficiency\u003c\/strong\u003e means more usable panel space for future circuits without sacrificing protection.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eReliable protection\u003c\/strong\u003e minimizes downtime by quickly interrupting fault currents and preventing damage to wiring, receptacles, and connected loads.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePlug-and-play compatibility\u003c\/strong\u003e reduces installation time and uncertainty when upgrading or maintaining panel systems.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVersatility across environments\u003c\/strong\u003e from homes to small production lines, giving you a single, dependable solution for various electrical protection needs.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eHow to get the most from your HFD3045\u003c\/h3\u003e\n\u003cp\u003ePair this MCCB with matching Eaton panelboards or load centers to preserve coordinated protection and trip performance. Verify the panel’s listed compatibility and ensure proper torque on lugs during installation. For ongoing reliability, follow standard electrical best practices, including regular inspection of wiring terminations and trip unit integrity.\u003c\/p\u003e \u003cp\u003eReady for a trusted, space-efficient, three-pole protection solution? The Eaton HFD3045 (45A, 600V, 3-pole) is a robust choice for residential, commercial, and light industrial electrical systems, available through AmpState.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Amp State","offers":[{"title":"Default Title","offer_id":46349596917922,"sku":null,"price":710.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/eaton-hfd3045-45-a-600-v-3-pole-circuit-breaker-ampstate-breakers-365.webp?v=1788689474","url":"https:\/\/www.ampstate.com\/products\/eaton-hfd3045-45a-600v-3-pole-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}