{"product_id":"eaton-hfd4050l-circuit-breaker","title":"Eaton | HFD4050L | Circuit Breaker | 50A | 4-Pole | 600V","description":"\u003cdiv\u003e\n\u003cp\u003e\u003cstrong\u003eEaton HFD4050L\u003c\/strong\u003e is a 50A, four-pole circuit breaker designed for reliability in 600V electrical systems. Built to support maintenance, retrofit, and replacement projects, it provides a precise spec match when your panel requires this exact part.\u003c\/p\u003e \u003cp\u003eThe 4-pole design is purpose-built for 3‑phase, 4‑wire configurations, enabling the full isolation of all conductors during service or emergencies. This means safer maintenance and cleaner power cycles for equipment that relies on stable, well-protected circuits in demanding environments.\u003c\/p\u003e \u003cp\u003eKey features at a glance:\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eAmperage:\u003c\/strong\u003e 50A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePoles:\u003c\/strong\u003e 4-Pole\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage rating:\u003c\/strong\u003e 600V\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePart number reference:\u003c\/strong\u003e HFD4050L — use this as the best compatibility guide\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWhy this specific breaker matters\u003c\/h3\u003e\n\u003cp\u003eChoosing a breaker that exactly matches your panel’s specifications minimizes downtime and avoids compatibility issues that can arise from substitutions. The HFD4050L is purpose-built for systems that require a 50A, 4-pole, 600V solution, making it ideal for retrofit projects, panel upgrades, or replacements where the original part number or specs are critical for continued compliance and performance.\u003c\/p\u003e \u003ch3\u003eIdeal applications and use cases\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eRetrofit projects in industrial or commercial facilities where a precise 50A, 4-pole, 600V rating is specified\u003c\/li\u003e \u003cli\u003eMaintenance and service work on panels that rely on this exact Eaton part for continued protection\u003c\/li\u003e \u003cli\u003eReplacement in existing 4-pole, 600V installations to restore original protection characteristics\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eCompatibility and installation guidance\u003c\/h3\u003e\n\u003cp\u003eBefore ordering, confirm fit and ratings against your panel labeling. The part number HFD4050L is the most reliable reference for compatibility. When replacing, ensure your panel accepts a 4-pole breaker with a 600V rating and that the physical form factor matches the enclosure’s dimensions and bus connections. If in doubt, cross-reference your panel’s published part list or consult your electrical technician to prevent mismatches that could affect protection or performance.\u003c\/p\u003e \u003cp\u003ePractical tips for deployment:\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eVerify that the circuit’s amperage and voltage demands align with the 50A, 600V specification\u003c\/li\u003e \u003cli\u003eCross-check the exact part number (HFD4050L) with your panel documentation to avoid compatibility gaps\u003c\/li\u003e \u003cli\u003eFollow standard electrical safety practices during replacement, including de-energizing equipment and adhering to local codes\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Eaton","offers":[{"title":"Default Title","offer_id":46426467532962,"sku":"HFD4050L","price":2010.0,"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-hfd4050l-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}