{"product_id":"westinghouse-504c743g04-circuit-breaker","title":"Westinghouse | 504C743G04 | Circuit Breaker | 3-Pole | 600V | Bolt-On","description":"\u003cdiv\u003e\n\u003cp\u003eMeet the Westinghouse 504C743G04 circuit breaker—a robust 3-pole, 600V bolt-on unit designed for serious electrical demands. Built for maintenance, retrofit, and replacement projects where exact specifications matter, this breaker helps keep three-phase systems protected and running smoothly.\u003c\/p\u003e \u003ch3\u003eKey specifications\u003c\/h3\u003e\n\u003cul\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\u003ePart reference:\u003c\/strong\u003e 504C743G04\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWhy this breaker stands out\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eDesigned specifically for 3-phase electrical distributions, ensuring coordinated protection across all legs in up to 600V systems.\u003c\/li\u003e \u003cli\u003e bolt-on mounting provides a secure, durable fit in compatible panels, reducing the risk of loose connections and vibration-related issues.\u003c\/li\u003e \u003cli\u003eIdeal for maintenance, retrofit, and replacement scenarios where matching the exact part number is critical for safety and performance.\u003c\/li\u003e \u003cli\u003eClear compatibility guidance: use the 504C743G04 part number as the best reference when confirming fit with your panel or enclosure.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eOptimal use cases\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eRetrofit projects in commercial or light-industrial panels needing a reliable 3-pole, 600V protection device.\u003c\/li\u003e \u003cli\u003eMaintenance cycles where a direct, spec-matched replacement minimizes downtime and preserves system behavior.\u003c\/li\u003e \u003cli\u003ePanel upgrades that require bolt-on mounting compatibility to secure robust electrical protection.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eInstallation and compatibility tips\u003c\/h3\u003e\n\u003cp\u003eBefore ordering, confirm fit and ratings for your specific panel. The part number 504C743G04 is the most reliable reference to ensure compatibility, so compare it against your panel’s labeling and documentation. When installing, follow standard electrical safety practices and panel manufacturer guidelines to ensure secure mounting and proper electrical contact.\u003c\/p\u003e \u003ch3\u003eFrequently considered questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eWhat does 3-pole mean for my system?\u003c\/strong\u003e It provides protective coverage across all three phases in a three-phase electrical setup, which is essential for balanced load and consistent protection.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs this suitable for my 600V panel?\u003c\/strong\u003e Yes, this unit is rated for up to 600V and is intended for bolt-on installation in compatible panels. Always verify the panel’s compatibility with the 504C743G04 part number before ordering.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Westinghouse","offers":[{"title":"Default Title","offer_id":46427306164386,"sku":"504C743G04","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-504c743g04-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}