{"product_id":"westinghouse-1773518-circuit-breaker","title":"Westinghouse | 1773518 | Circuit Breaker | 400A | 3-Pole | 600V | Bolt-On","description":"\u003cdiv\u003e\n\u003cp\u003e\u003cstrong\u003eWestinghouse 1773518 Circuit Breaker\u003c\/strong\u003e delivers dependable, high-capacity protection for three-phase electrical systems. With a 400A amperage rating, 3-pole configuration, and a 600V rating, this bolt-on breaker is built for demanding maintenance, retrofit, and replacement tasks where exact specifications matter.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003ePrecise compatibility\u003c\/strong\u003e: The part number 1773518 is the best reference for matching your panel and system requirements. Always confirm fit and ratings before ordering to ensure seamless integration.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eHigh-current protection\u003c\/strong\u003e: 400A capacity provides robust protection for heavy-load feeders and three-phase circuits, helping prevent equipment damage and unplanned downtime.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eThree-pole design\u003c\/strong\u003e: Ideal for three-phase electrical environments, delivering balanced protection across all phases and simplifying panel modernization or upgrades.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003e600V operating capability\u003c\/strong\u003e: Suitable for common industrial and commercial applications that operate within a 600V system, offering reliable performance in demanding environments.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eBolt-On mounting\u003c\/strong\u003e: The bolt-on format supports secure, durable installation in compatible panels, facilitating straightforward replacement or retrofit work.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eThis breaker is particularly well-suited for technicians and contractors performing maintenance on legacy Westinghouse panels, upgrading to three-phase protections, or replacing worn-out components where exact specs are essential. By prioritizing precise compatibility and robust current handling, the 1773518 helps you minimize install time and maximize system reliability.\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eUsage notes\u003c\/strong\u003e: Before purchasing, verify that your equipment and panel are compatible with a 400A, 3-pole, 600V bolt-on breaker. Rely on the part number 1773518 as the most reliable reference for compatibility to ensure a smooth fit and expected performance.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Westinghouse","offers":[{"title":"Default Title","offer_id":46427335852194,"sku":"1773518","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-1773518-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}