{"product_id":"westinghouse-504c743g19-circuit-breaker","title":"Westinghouse | 504C743G19 | Circuit Breaker | 100A | 3-Pole | 600V | Bolt-On","description":"\u003cdiv\u003e\n\u003cp\u003e\u003cstrong\u003eWestinghouse 504C743G19 Circuit Breaker\u003c\/strong\u003e is a 100A, 3-pole, 600V bolt-on device designed for reliable protection in commercial and industrial electrical panels. Built for maintenance, retrofit, and replacement projects, it gives you a precise match to existing systems when specs matter most.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eThree-pole design\u003c\/strong\u003e supports three-phase circuits, delivering balanced protection across all phases of your power distribution.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003e100A rating\u003c\/strong\u003e protects feeders and equipment without over-suppressing startup currents in controlled environments.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003e600V maximum voltage\u003c\/strong\u003e suitable for industrial power distribution, motors, and equipment that require higher voltage protection.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eBolt-On mounting\u003c\/strong\u003e provides a secure, rigid connection within compatible panels, reducing movement under load.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePart number 504C743G19\u003c\/strong\u003e serves as the best compatibility reference, ensuring you’re selecting the exact Westinghouse replacement you need.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eIdeal use cases include upgrading legacy installations, swapping out worn breakers in service or distribution panels, and equipping new builds that specify a 3-pole, 600V bolt-on solution. If your panel requires a 3-phase, 100A protection device with bolt-on mounting, this Westinghouse breaker is designed to fit your scheme.\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eImportant fit note:\u003c\/strong\u003e Confirm fit and ratings before ordering. The part number 504C743G19 is the most reliable reference for compatibility with your panel model and bus configuration.\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eSpecifications\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eAmperage:\u003c\/strong\u003e 100A\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 number:\u003c\/strong\u003e 504C743G19\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Westinghouse","offers":[{"title":"Default Title","offer_id":46427305836706,"sku":"504C743G19","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-504c743g19-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}