{"product_id":"westinghouse-ma3350s-circuit-breaker","title":"Westinghouse | MA3350S | Circuit Breaker | 350A | 3-Pole | 600V","description":"\u003cdiv\u003e\n\u003cp\u003ePowerful, reliable protection for demanding 600V three-phase systems, the Westinghouse MA3350S Circuit Breaker delivers 350A of resilient overcurrent protection in a 3-pole package. Built for maintenance, retrofit, and replacement projects, this unit ensures you can upgrade or service your electrical distribution with confidence when your spec requires exact part-level compatibility.\u003c\/p\u003e \u003ch3\u003eKey specifications and what they mean for you\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eAmperage:\u003c\/strong\u003e 350A continuous current rating handles heavy loads in commercial and light-industrial distributions.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePoles:\u003c\/strong\u003e 3-Pole configuration guards all three hot legs in a 3-phase system.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage:\u003c\/strong\u003e 600V maximum system voltage supports typical industrial power networks.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWhy choose the MA3350S for retrofit, maintenance, or replacement\u003c\/h3\u003e\n\u003cp\u003eThe MA3350S is specifically selected when the goal is precise spec matching. Using the exact part number as your compatibility reference minimizes the risk of misfits in panels and enclosures, reducing installation delays and downtime.\u003c\/p\u003e \u003ch3\u003ePractical use scenarios\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eRetrofit an aging panel that previously used a 350A, 3-pole, 600V breaker to restore protection without altering the system design.\u003c\/li\u003e \u003cli\u003eReplace a failed breaker in industrial equipment racks or service panels where 600V, 350A, 3-pole protection is required.\u003c\/li\u003e \u003cli\u003eMaintenance upgrades in facilities that segment heavy loads across multiple circuits, ensuring reliable fault interruption on each leg.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eInstallation and compatibility notes\u003c\/h3\u003e\n\u003cp\u003eAlways confirm fit and ratings before ordering. The MA3350S part number is your best reference to ensure compatibility with your existing breaker profile and panel catalog. If you have a mixed-technology panel, verify that the replacement matches the exact trip characteristics and mounting style used in your current setup.\u003c\/p\u003e \u003ch3\u003eWhat you get\u003c\/h3\u003e\n\u003cp\u003eOne Westinghouse MA3350S Circuit Breaker designed for robust protection in 600V systems, ready for installation by qualified electrical professionals who follow local codes and safety standards.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Westinghouse","offers":[{"title":"Default Title","offer_id":46427175288994,"sku":"MA3350S","price":510.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/master_generic_a0994f42-7fad-49d1-911a-c2784022b8c9.png?v=1765492979","url":"https:\/\/www.ampstate.com\/products\/westinghouse-ma3350s-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}