{"product_id":"westinghouse-504c743g18-circuit-breaker","title":"Westinghouse | 504C743G18 | Circuit Breaker | 90A | 3-Pole | 600V | Bolt-On","description":"\u003cdiv\u003e\n\u003cp\u003eMeet the Westinghouse 504C743G18 Circuit Breaker—a purpose-built, high-performance protection device engineered for reliability in demanding electrical systems. With a 90A rating, 3-pole configuration, and a 600V operating capability, this bolt-on breaker is tailored for maintenance, retrofit, and replacement projects where exact specifications matter.\u003c\/p\u003e \u003ch3\u003eKey specifications at a glance\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eAmperage:\u003c\/strong\u003e 90A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePoles:\u003c\/strong\u003e 3-Pole\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage:\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 504C743G18 (best compatibility reference)\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWhy this bolt-on configuration matters\u003c\/h3\u003e\n\u003cp\u003eThe bolt-on design provides a secure, robust attachment to compatible panels, delivering dependable contact and resistance to vibration in demanding environments. This makes it an ideal choice for three-phase circuits where balanced protection is essential, such as industrial controls, commercial power distribution, and service enclosures that require a precise 90A, 600V solution.\u003c\/p\u003e \u003ch3\u003ePerfect use cases\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eMaintenance and retrofit of service panels that require a strict 504C743G18 specification\u003c\/li\u003e \u003cli\u003eReplacement in 3-pole, 90A circuits within 600V electrical systems\u003c\/li\u003e \u003cli\u003eIndustrial and commercial installations where secure bolt-on mounting is preferred for durability and ease of service\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWhat sets it apart\u003c\/h3\u003e\n\u003cp\u003eUnlike generic breakers, this Westinghouse 504C743G18 is a purpose-matched component designed to align with existing panel architectures that rely on bolt-on connections. Its 3-pole configuration provides comprehensive protection for three-phase circuits, ensuring that all phases are safeguarded under the same protective characteristics. The 600V rating expands its applicability to higher-voltage applications where reliable overcurrent protection is critical.\u003c\/p\u003e \u003ch3\u003ePractical guidance for ordering and installation\u003c\/h3\u003e\n\u003cp\u003eBefore you order, confirm fit and ratings to guarantee compatibility with your panel. The part number 504C743G18 is the most reliable reference for ensuring a correct match. If you’re replacing an existing breaker, inspect mounting hardware and bus-bar compatibility to maintain secure electrical contact and consistent protection.\u003c\/p\u003e \u003ch3\u003eWho benefits most\u003c\/h3\u003e\n\u003cp\u003eElectrical professionals, facility managers, and maintenance technicians who work with three-phase, higher-voltage panels will appreciate the clarity of specifications, the bolt-on mounting convenience, and the precise 90A protection provided by this Westinghouse breaker. It’s a dependable choice for retrofit projects where exact part numbers and ratings matter for safety and continuity.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Westinghouse","offers":[{"title":"Default Title","offer_id":46427305869474,"sku":"504C743G18","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-504c743g18-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}