{"product_id":"westinghouse-mc3800wk-circuit-breaker","title":"Westinghouse | MC3800WK | Circuit Breaker | 800A | 3-Pole | 600V | Bolt-On","description":"\u003cdiv\u003e\n\u003cp\u003eMeet the Westinghouse MC3800WK Circuit Breaker — a purpose-built safeguard for demanding 3‑phase power. Designed for maintenance, retrofit, and replacement projects where precise compatibility matters, this 800A, 3‑pole, 600V bolt‑on breaker delivers dependable protection for industrial and commercial electrical systems.\u003c\/p\u003e \u003ch2\u003eKey specifications\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eAmperage:\u003c\/strong\u003e 800A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePoles:\u003c\/strong\u003e 3‑Pole\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage rating:\u003c\/strong\u003e 600V\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eMounting:\u003c\/strong\u003e Bolt‑On\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eReference:\u003c\/strong\u003e Part number MC3800WK\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003eWhy this breaker stands out\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eHigh‑current protection for heavy load circuits:\u003c\/strong\u003e The 800A rating is built to handle substantial demands in 3‑phase systems, helping to prevent damage from overloads and faults.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eSecure bolt‑on mounting:\u003c\/strong\u003e The bolt‑on design provides a robust, vibration‑resistant connection crucial for equipment rooms and industrial environments.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eClear compatibility reference:\u003c\/strong\u003e The MC3800WK is your best reference for matching fit and ratings, streamlining retrofits and replacements in compatible panels.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003e600V readiness:\u003c\/strong\u003e Suitable for a wide range of commercial and industrial distribution applications that operate at or below 600V.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003eIdeal use cases\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003eMaintenance of aging panels where a direct 3‑pole, 800A, 600V bolt‑on breaker is required.\u003c\/li\u003e \u003cli\u003eRetrofit projects upgrading protection in existing 3‑phase electrical systems without changing panel architecture.\u003c\/li\u003e \u003cli\u003eReplacement scenarios where the MC3800WK matches the panel’s original specifications and labeling for safe, compliant operation.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003ePractical guidance for installation and selection\u003c\/h2\u003e\n\u003cp\u003eBefore ordering, \u003cstrong\u003econfirm fit and ratings\u003c\/strong\u003e to ensure a seamless replacement. Use the MC3800WK part number as the primary reference to verify compatibility with your panel’s bus configuration and mounting provisions. When planning installation, align the breaker with the panel’s 3‑phase distribution layout and ensure the bolt‑on hardware engages securely for steady operation under electrical load.\u003c\/p\u003e \u003cp\u003eWhether you're conducting routine maintenance, planning a retrofit to support higher downstream demand, or replacing an aging unit, the Westinghouse MC3800WK delivers reliable, high‑current protection with a straightforward path to compatibility.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Westinghouse","offers":[{"title":"Default Title","offer_id":46425642664098,"sku":"MC3800WK","price":310.0,"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\/westinghouse-mc3800wk-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}