{"product_id":"westinghouse-mc3400-circuit-breaker","title":"Westinghouse | MC3400 | Circuit Breaker | 3-Pole","description":"\u003cdiv\u003e\n\u003cp\u003eWestinghouse MC3400 3-Pole Circuit Breaker is a purpose-built solution for maintenance, retrofit, and replacement projects where precise specifications matter. This 3-Pole device is designed to fit panels that require a Westinghouse-style breaker and provides reliable protection for multi-wire circuits, keeping your electrical system aligned with the original design intent.\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eKey details\u003c\/strong\u003e\u003cbr\u003e\n\u003cem\u003ePoles:\u003c\/em\u003e 3-Pole\u003cbr\u003e\n\u003cem\u003ePart number:\u003c\/em\u003e MC3400\u003cbr\u003e\n\u003cem\u003eApplications:\u003c\/em\u003e maintenance, retrofit, and replacement where matching specs are required\u003cbr\u003e\n\u003cem\u003eFitment note:\u003c\/em\u003e Confirm fit and ratings before ordering—the part number is the best reference for compatibility.\u003c\/p\u003e \u003ch3\u003eWhy choose the Westinghouse MC3400 3-Pole breaker?\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eGenuine Westinghouse component designed to align with existing panels that specify MC3400, reducing compatibility risk during replacements.\u003c\/li\u003e \u003cli\u003e3-Pole configuration provides comprehensive multi-wire protection for circuits that demand a three-pole solution.\u003c\/li\u003e \u003cli\u003eStreamlined replacement path for retrofit projects, helping you restore system protection without unnecessary changes to the panel design.\u003c\/li\u003e \u003cli\u003eClear, reference-based compatibility approach: using the MC3400 part number as the primary cross-reference minimizes guesswork when sourcing parts.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eIdeal use cases\u003c\/h3\u003e\n\u003cp\u003eUse the Westinghouse MC3400 3-Pole circuit breaker when servicing electrical panels that require a three-pole protection device and when you need a direct, specification-aligned replacement. It’s well-suited for maintenance windows, retrofit upgrades, and replacement scenarios where exact spec matching matters to safety and performance.\u003c\/p\u003e \u003ch3\u003eOrdering with confidence\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eVerify your panel accepts MC3400 and matches the 3-Pole configuration before purchasing.\u003c\/li\u003e \u003cli\u003eUse the part number MC3400 as the primary reference to confirm compatibility with your panel model and rating requirements.\u003c\/li\u003e \u003cli\u003ePrepare your installation by noting the panel’s documentation to ensure the replacement maintains intended circuit protection and alignment with your system.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Westinghouse","offers":[{"title":"Default Title","offer_id":46427174502562,"sku":"MC3400","price":510.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/westinghouse-mc3400-circuit-breaker-3-pole-933.webp?v=1789677704","url":"https:\/\/www.ampstate.com\/products\/westinghouse-mc3400-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}