{"product_id":"westinghouse-lb3350-circuit-breaker","title":"Westinghouse | LB3350 | Circuit Breaker | 350A | 3-Pole | 600V","description":"\u003cdiv\u003e\n\u003cp\u003eWestinghouse LB3350 Circuit Breaker — a robust 350A, 3-pole, 600V protection device built for demanding electrical environments. Designed for maintenance, retrofit, and replacement projects where exact specifications matter, this LB3350 unit slips into compatible panels with minimal downtime and predictable performance.\u003c\/p\u003e \u003ch3\u003eDirect compatibility, clear reference\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eBest reference\u003c\/strong\u003e: The part number LB3350 is your most reliable guide for compatibility. Before ordering, confirm fit and ratings on your panel label to avoid mismatches in current rating or pole configuration.\u003c\/p\u003e \u003ch3\u003eKey specifications\u003c\/h3\u003e\n\u003cul\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\n\u003c\/ul\u003e \u003ch3\u003eWhy this Westinghouse breaker stands out\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eProven performance in high-current, three-phase distribution systems commonly found in commercial and industrial settings.\u003c\/li\u003e \u003cli\u003ePart of the Westinghouse LB-series family, offering consistent trip behavior and compatibility with legacy equipment in existing installations.\u003c\/li\u003e \u003cli\u003eClear, unambiguous part identification makes sourcing and maintenance simpler, reducing downtime and procurement guesswork.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eIdeal use cases\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eMaintenance replacements in 600V three-phase electrical panels where the LB3350 matches the original device.\u003c\/li\u003e \u003cli\u003eRetrofit projects to bring aging switchgear up to current reliability standards without changing the panel.\u003c\/li\u003e \u003cli\u003eNew installations that require a direct, compatible 350A, 3-pole, 600V breaker with a proven track record.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003ePractical tips for a smooth replacement\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eAlways verify \u003cem\u003epanel labeling\u003c\/em\u003e and ensure the panel accepts a 350 A, 3-Pole, 600V device.\u003c\/li\u003e \u003cli\u003eUse the LB3350 part number as the primary compatibility reference when purchasing or requesting quotes.\u003c\/li\u003e \u003cli\u003ePrepare safety procedures and have the system de-energized during replacement to protect personnel and equipment.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWhat you gain\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eReliable circuit protection for high-current circuits, helping minimize downtime from unexpected trips.\u003c\/li\u003e \u003cli\u003eStreamlined maintenance and procurement with a clearly identified, widely compatible part.\u003c\/li\u003e \u003cli\u003eConfidence in long-term compatibility with existing Westinghouse equipment and panel designs.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Westinghouse","offers":[{"title":"Default Title","offer_id":46424400068770,"sku":"LB3350","price":310.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/master_generic_a085eff1-75dd-47ee-b131-4c8df8f0489b.png?v=1765492976","url":"https:\/\/www.ampstate.com\/products\/westinghouse-lb3350-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}