{"product_id":"eaton-fd4050-circuit-breaker","title":"Eaton | FD4050 | Circuit Breaker | 50A | 4-Pole | 600V","description":"\u003cdiv\u003e\n\u003cp\u003eEngineered by Eaton for demanding electrical installations, the FD4050 is a 50A, 4-pole circuit breaker designed to protect 600V circuits with precise, predictable shutoff across all conductors.\u003c\/p\u003e \u003ch3\u003eKey specifications\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eAmperage:\u003c\/strong\u003e 50 A\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 600 V\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePart number reference:\u003c\/strong\u003e FD4050\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eApplication:\u003c\/strong\u003e Circuit protection, maintenance, retrofit, and replacement in compatible Eaton panels\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWhy this 4-pole breaker matters\u003c\/h3\u003e\n\u003cp\u003eFor panels that power three-phase equipment with a shared neutral or for circuits that require four-conductor protection, a 4-pole design ensures all conductors disconnect together. The FD4050 provides dependable protection across the entire circuit while meeting the needs of high-demand industrial environments.\u003c\/p\u003e \u003ch3\u003eBest use cases\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eMaintenance and service of 3‑phase electrical panels that require 50A, 4‑pole protection.\u003c\/li\u003e \u003cli\u003eRetrofits in upgrades where existing breakers share the same FD form factor and voltage rating.\u003c\/li\u003e \u003cli\u003eNew installations that specify 600V systems and four-pole protection for safe shutdown of all conductors.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eInstallation and compatibility tips\u003c\/h3\u003e\n\u003cp\u003eAlways confirm fit and ratings before ordering. Use the part number FD4050 as the primary reference to ensure compatibility with your Eaton panel, bus configuration, and mounting style. Keep a spare on hand to minimize downtime during panel work.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Eaton","offers":[{"title":"Default Title","offer_id":46426449805474,"sku":"FD4050","price":2010.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/eaton-fd4050-circuit-breaker-50a-4-pole-600v-724.webp?v=1789579791","url":"https:\/\/www.ampstate.com\/products\/eaton-fd4050-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}