{"product_id":"square-d-mxf36450-circuit-breaker","title":"Square D | MXF36450 | Circuit Breaker | 450A | 3-Pole | 600V","description":"\u003cdiv\u003e\n\u003cp\u003eWhen your electrical system demands robust protection for a high-load, three-phase setup, the Square D MXF36450 circuit breaker stands up to the task. Engineered for maintenance, retrofit, and replacement projects, this 450A, 3-pole device provides reliable interruption in demanding industrial environments while keeping installation straightforward.\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eKey specifications\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eAmperage:\u003c\/strong\u003e 450A\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePoles:\u003c\/strong\u003e 3-Pole\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVoltage rating:\u003c\/strong\u003e 600V\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003eWhy this MXF36450 matters for your project\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM precision with a trusted reference:\u003c\/strong\u003e The part number MXF36450 is the best reference for compatibility, helping you match breakers to Square D panelboards and enclosures.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDesigned for retrofit and replacement:\u003c\/strong\u003e Use this when upgrading or renewing protection in existing installations where the 450A, 3-pole, 600V rating is required.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSimple verification process:\u003c\/strong\u003e Before ordering, confirm fit and ratings against your equipment label and panel catalog to avoid mismatches.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003eWho this is for\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eFacility managers and electrical contractors maintaining industrial or commercial facilities with 3-phase power distribution.\u003c\/li\u003e\n\u003cli\u003eOEMs and installers performing panel retrofits or upgrades that require precise Square D compatibility.\u003c\/li\u003e\n\u003cli\u003eMaintenance teams seeking a dependable high-current protection solution that aligns with established Square D standards.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003ePractical considerations and usage tips\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eAlways verify that the panel or switchgear you’re working with is rated for 450A, 3-pole, and 600V before installation.\u003c\/li\u003e\n\u003cli\u003eKeep a copy of the part number MXF36450 handy as the quickest reference for future replacements or service upgrades.\u003c\/li\u003e\n\u003cli\u003eFollow all electrical codes and manufacturer instructions during installation and replacement to ensure safe operation.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003eUse-case scenarios\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eHigh-current 3-phase feeders in manufacturing facilities powering large motors, presses, and CNC equipment where reliable protection and quick isolation are critical.\u003c\/li\u003e\n\u003cli\u003ePanelboard retrofits or replacements in aging switchgear where exact Square D specifications ensure seamless compatibility and minimal downtime.\u003c\/li\u003e\n\u003cli\u003eMaintenance cycles that require a like-for-like replacement to maintain system protection and avoid unnecessary wiring changes.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Square D","offers":[{"title":"Default Title","offer_id":46426233798818,"sku":"MXF36450","price":2010.0,"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\/square-d-mxf36450-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}