{"product_id":"westinghouse-504c336g20-circuit-breaker","title":"Westinghouse | 504C336G20 | Circuit Breaker | 20A | 3-Pole | 277V","description":"\u003cdiv\u003e\n\u003cp\u003eMeet the Westinghouse 504C336G20 Circuit Breaker—a reliable, three-pole protection device designed for 277V systems in commercial and light-industrial environments. With a 20A rating, this breaker protects three hot legs simultaneously, safeguarding motors, compressors, and lighting circuits from overloads and faults. Built for maintenance, retrofit, and replacement projects, it provides a seamless upgrade path when exact specs are required.\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eKey advantages of the 504C336G20\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eAmperage:\u003c\/strong\u003e 20 A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePoles:\u003c\/strong\u003e 3-Pole\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage:\u003c\/strong\u003e 277V\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePart number:\u003c\/strong\u003e 504C336G20\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003eWhat this means for your project\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eOptimal protection for 277V three-phase circuits in commercial spaces, including lighting runs and motor-driven equipment.\u003c\/li\u003e \u003cli\u003eStrong fit for replacement and retrofit work where the 504C336G20 reference aligns with your panel or enclosure’s design.\u003c\/li\u003e \u003cli\u003eDirect, no-hassle substitution for compatible Westinghouse panels, helping you maintain consistent performance across all three phases.\u003c\/li\u003e \u003cli\u003eBalanced protection across all poles reduces the risk of uneven fault conditions and promotes safer startup of connected loads.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003eImportant fit and installation notes\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eConfirm fit and ratings before ordering. The part number is the best reference for compatibility with your existing panel and enclosure. If your system operates on a 3-pole, 277V configuration, this breaker is designed to slot into compatible Westinghouse frameworks without requiring changes to wiring or bus connections.\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eIdeal for\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eCommercial buildings, schools, and light-industrial facilities with 277V three-phase distributions\u003c\/li\u003e \u003cli\u003eMaintenance inventories and service fleets requiring a dependable spare\u003c\/li\u003e \u003cli\u003eRetrofit projects where exact part-number compatibility ensures consistent protection schemes\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Westinghouse","offers":[{"title":"Default Title","offer_id":46427315830946,"sku":"504C336G20","price":510.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/master_generic_ad06fdd7-931c-4a09-bfbe-d05329579cd6.png?v=1765492978","url":"https:\/\/www.ampstate.com\/products\/westinghouse-504c336g20-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}