{"product_id":"westinghouse-504c743g03-circuit-breaker","title":"Westinghouse | 504C743G03 | Circuit Breaker | 90A | 2-Pole | 600V | Bolt-On","description":"\u003cdiv\u003e\n\u003cp\u003e\u003cstrong\u003eWestinghouse 504C743G03 Circuit Breaker\u003c\/strong\u003e — a 90A, 2-Pole, 600V bolt-on device crafted for maintenance, retrofit, and replacement tasks where exact compatibility matters. If you’re upgrading or restoring panels, using the correct part number is the fastest path to a reliable, race-ready electrical system.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eAmperage:\u003c\/strong\u003e 90A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePoles:\u003c\/strong\u003e 2-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 504C743G03\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eWhy this matters for your panel project:\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eSecure bolt-on mounting\u003c\/strong\u003e provides steady contact and dependable performance in compatible Westinghouse panels, aiding service continuity during replacements.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eExact part number reference\u003c\/strong\u003e minimizes guesswork, helping you source the precise model you need and reduce returns.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003e90A protection\u003c\/strong\u003e for 600V circuits makes it suitable for commercial or light industrial applications where robust overcurrent protection is essential.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eDesigned for retrofit and replacement\u003c\/strong\u003e workflows, this breaker slides into panels prepared for bolt-on style devices, keeping your electrical infrastructure up to date without full panel refurbishment.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eIdeal use scenarios:\u003c\/p\u003e \u003cul\u003e \u003cli\u003eReplacing a failed or degraded bolt-on 2-pole breaker in Westinghouse panels that specify this mounting style.\u003c\/li\u003e \u003cli\u003eRetrofit projects that require 90A protection on 600V circuits, such as feeder circuits or essential service branches in commercial facilities.\u003c\/li\u003e \u003cli\u003eSpare-part stocking for field service teams maintaining ongoing electrical infrastructure installations.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eOrdering guidance:\u003c\/p\u003e \u003cul\u003e \u003cli\u003eBefore purchasing, confirm fit and ratings for your specific panel. The part number 504C743G03 is the best reference to ensure compatibility and avoid mismatches.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Westinghouse","offers":[{"title":"Default Title","offer_id":46427306197154,"sku":"504C743G03","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-504c743g03-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}