{"product_id":"westinghouse-504c740g04-circuit-breaker","title":"Westinghouse | 504C740G04 | Circuit Breaker | 90A | 3-Pole | 600V | Bolt-On","description":"\u003cdiv\u003e\n\u003cp\u003eMeet the Westinghouse 504C740G04—a 90A, 3-pole, 600V bolt-on circuit breaker designed for reliable, piece‑by‑piece protection in demanding electrical systems. Built for maintenance, retrofit, and replacement projects where exact specifications matter, this breaker provides dependable overcurrent protection with a secure bolt‑on mounting that stays put in rugged panel environments.\u003c\/p\u003e \u003ch2\u003eSpecifications at a glance\u003c\/h2\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 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 504C740G04\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWhy this Westinghouse breaker stands out\u003c\/h3\u003e\n\u003cp\u003eThis unit is purpose-built for installations that require exact, proven specifications. The bolt-on design delivers a secure, vibration-resistant mounting, making it well-suited for panels where reliability is critical. By matching the 3-pole, 90A, 600V profile, it supports robust protection for three-phase circuits, helping prevent unwanted outages and equipment damage in industrial and commercial environments. The explicit part number (504C740G04) is your fastest path to compatibility in maintenance and retrofit scenarios, reducing guesswork when sourcing replacement breakers.\u003c\/p\u003e \u003ch3\u003eIdeal use cases\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eMaintenance replacements in 3-phase 600V distribution panels\u003c\/li\u003e \u003cli\u003eRetrofits or upgrades where a precise 90A, 3-pole breaker is required\u003c\/li\u003e \u003cli\u003eNew installations in systems that mandate bolt-on mounting for secure, long-term service\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eInstallation and compatibility notes\u003c\/h3\u003e\n\u003cp\u003eBefore ordering, verify that the panel or enclosure is compatible with the 504C740G04’s bolt-on mounting and 3-pole, 90A, 600V specifications. The part number serves as the most reliable reference for compatibility, ensuring a seamless replacement or retrofit without surprises.\u003c\/p\u003e \u003cp\u003eWhether you’re upgrading aging equipment, performing routine maintenance, or integrating a new 3-phase load center, the Westinghouse 504C740G04 delivers straightforward installation and dependable protection where it matters most. Add this bolt-on breaker to your cart to secure precise specification matching and reliable circuit protection for demanding electrical systems.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Westinghouse","offers":[{"title":"Default Title","offer_id":46427312521378,"sku":"504C740G04","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-504c740g04-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}