{"product_id":"square-d-lif36450-circuit-breaker","title":"Square D | LIF36450 | Circuit Breaker | 450A | 3-Pole | 600V","description":"\u003cdiv\u003e\n\u003cp\u003eMeet the Square D LIF36450 Circuit Breaker — a purpose-built, high-capacity solution for industrial and commercial power distribution. Rated at 450A with a 3-pole, 600V design, this breaker provides reliable overcurrent protection for three-phase systems, making it ideal for maintenance, retrofit projects, and exact-match replacements in compatible panels.\u003c\/p\u003e \u003ch3\u003eCore specifications at a glance\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eAmperage:\u003c\/strong\u003e 450A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePoles:\u003c\/strong\u003e 3-Pole\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage:\u003c\/strong\u003e 600V\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eImportant note: Confirm fit and ratings before ordering. The \u003cstrong\u003eLIF36450\u003c\/strong\u003e part number is the best reference for compatibility, ensuring you retrieve the correct unit for your Square D panel and bus configuration.\u003c\/p\u003e \u003ch3\u003eWhy choose this LIF36450 for your project\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eDesigned for \u003cem\u003emaintenance, retrofit, and replacement\u003c\/em\u003e scenarios where exact specifications are essential, reducing downtime and compatibility risk.\u003c\/li\u003e \u003cli\u003eSupports robust three-phase protection with a single, reliable 450A, 600V solution, aligning with common industrial electrical infrastructure.\u003c\/li\u003e \u003cli\u003ePart of the Square D lineup, offering familiar performance, proven reliability, and streamlined integration with existing Square D panels and accessories.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eIdeal use cases\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eUpgrading aging electrical distribution in manufacturing lines, warehouses, and processing facilities.\u003c\/li\u003e \u003cli\u003eRetrofits to restore protection in existing Square D installations where a 450A, 3-pole, 600V unit is required.\u003c\/li\u003e \u003cli\u003eReplacement for failed or obsolete breakers in high-current, three-phase networks demanding consistent protection.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWhat sets it apart from alternatives\u003c\/h3\u003e\n\u003cp\u003eRather than a generic, one-size-fits-all breaker, the \u003cstrong\u003eLIF36450\u003c\/strong\u003e is purpose-matched to Square D panels and the LIF family’s mounting and bus configurations. This alignment minimizes installation guesswork and helps preserve electrical system compatibility, performance, and safety margins.\u003c\/p\u003e \u003ch3\u003ePractical tips for selecting and handling\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eAlways verify the exact part number and refer to panel labeling to confirm compatibility before purchase.\u003c\/li\u003e \u003cli\u003eCoordinate with a licensed electrician to ensure correct mounting, bus alignment, and safe energization of high-current, three-phase circuits.\u003c\/li\u003e \u003cli\u003eStore spares in original packaging and handle with care to preserve terminal integrity and mechanical fit.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Square D","offers":[{"title":"Default Title","offer_id":46426349535394,"sku":"LIF36450","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-lif36450-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}