{"product_id":"westinghouse-504c740g27-circuit-breaker","title":"Westinghouse | 504C740G27 | Circuit Breaker | 350A | 3-Pole | 600V | Bolt-On","description":"\u003cdiv\u003e\n\u003cp\u003eWestinghouse 504C740G27 Circuit Breaker delivers reliable overcurrent protection for three-phase power systems. This 350A, 3-pole, 600V bolt-on unit is engineered for maintenance, retrofit, and replacement projects where exact specifications matter. If you’re upgrading aging panels or replacing a failed breaker in compatible equipment, this model is designed to keep your electrical distribution running smoothly.\u003c\/p\u003e \u003ch3\u003eKey specifications\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003ePart number:\u003c\/strong\u003e 504C740G27\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eAmperage:\u003c\/strong\u003e 350 A\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 600 V\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eMounting:\u003c\/strong\u003e Bolt-On\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003eImportant:\u003c\/strong\u003e Confirm fit and ratings before ordering. The part number is the best reference for compatibility.\u003c\/p\u003e \u003ch3\u003eWhat makes this breaker stand out\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eBolt-On mounting\u003c\/strong\u003e for secure, durable attachment in compatible enclosures, helping ensure solid performance in vibration-heavy or high-load environments.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003e350 A rating\u003c\/strong\u003e suits mid-to-large feeders in commercial and light-industrial panels, enabling robust protection where higher current demand exists.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003e3-Pole configuration\u003c\/strong\u003e provides coordinated protection across all three phases in 600V systems, essential for balanced three-phase distribution.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003e600V capability\u003c\/strong\u003e aligns with typical industrial power networks and motor-control circuits, supporting a wide range of applications.\u003c\/li\u003e \u003cli\u003eBacked by Westinghouse engineering pedigree, offering predictable performance and compatibility within established panel platforms.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eIdeal use cases\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eReplacement for aging or failed breakers in bolt-on compatible panels and switchgear.\u003c\/li\u003e \u003cli\u003eRetrofit projects where a precise 350A, 3-pole, 600V protection device is specified.\u003c\/li\u003e \u003cli\u003eNew installations in three-phase distribution setups requiring secure bolt-on protection with straightforward serviceability.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eInstallation and maintenance tips\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eUse the \u003cstrong\u003e504C740G27\u003c\/strong\u003e part number to verify compatibility with your enclosure and panel model before purchasing.\u003c\/li\u003e \u003cli\u003eEnsure proper bolt-on mounting torque and clean, undamaged mounting surfaces to maintain solid electrical contact.\u003c\/li\u003e \u003cli\u003eInspect the device and surrounding wiring for signs of wear or corrosion prior to installation to prevent premature failure.\u003c\/li\u003e \u003cli\u003eKeep a record of the part number and panel compatibility notes for future replacements or upgrades.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Westinghouse","offers":[{"title":"Default Title","offer_id":46427306295458,"sku":"504C740G27","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-504c740g27-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}