{"product_id":"westinghouse-8mc400-400a-3p-600v-circuit-breaker","title":"Westinghouse 8MC400 400A 3P 600V Circuit Breaker, Bolt-On | AmpState","description":"\u003cdiv\u003e\n\u003cp\u003eMeet the Westinghouse 8MC400 400A 3P 600V Circuit Breaker, Bolt-On — a purpose-built protection device designed to slot into panelboards, load centers, and electrical distribution networks with direct part-number compatibility.\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eKey specifications\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eManufacturer:\u003c\/strong\u003e Westinghouse\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e 8MC400\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eProduct Type:\u003c\/strong\u003e Circuit Breaker\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eAmperage:\u003c\/strong\u003e 400 A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePoles:\u003c\/strong\u003e 3\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage:\u003c\/strong\u003e 600 V\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eMounting:\u003c\/strong\u003e Bolt-On\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003eWho benefits\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eMaintenance teams needing rapid, field-ready replacements that fit exact part numbers\u003c\/li\u003e \u003cli\u003ePanel builders seeking reliable, Westinghouse-compatible protection for new installations\u003c\/li\u003e \u003cli\u003eSpare inventory managers prioritizing ready-to-install components for service calls\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003eWhy this matters\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe \u003cstrong\u003ebolt-on\u003c\/strong\u003e design streamlines installation in compatible panelboards, reducing downtime during replacements and upgrades. With a \u003cstrong\u003e400 A\u003c\/strong\u003e rating and \u003cstrong\u003e3 poles\u003c\/strong\u003e, this breaker delivers robust protection for high-demand circuits within \u003cstrong\u003e600V\u003c\/strong\u003e distributions. Choose a direct-part-number match like the 8MC400 to ensure seamless fit and reliable performance in your Westinghouse-powered electrical infrastructure.\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eUse cases\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eReplacing a failed 3-pole, 400 A breaker in existing Westinghouse panelboards\u003c\/li\u003e \u003cli\u003eUpgrading distribution sections of industrial or commercial electrical rooms with precise compatibility\u003c\/li\u003e \u003cli\u003eMaintaining an emergency stock of verified spare breakers for service contracts and preventative maintenance\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003eCompatibility and support\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eAvailable from AmpState. Need help matching a part number or confirming compatibility? Message us and we’ll help you confirm fit, ensuring your panel remains protected with an exact Westinghouse replacement.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"AmpState","offers":[{"title":"Default Title","offer_id":46411120509090,"sku":"8MC400","price":996.0,"currency_code":"CAD","in_stock":true}],"url":"https:\/\/www.ampstate.com\/products\/westinghouse-8mc400-400a-3p-600v-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}