{"product_id":"square-d-fi36045-circuit-breaker","title":"Square D | FI36045 | Circuit Breaker | 45A | 3-Pole","description":"\u003cdiv\u003e\n\u003cp\u003e\u003cstrong\u003eSquare D FI36045 45A 3-Pole Circuit Breaker\u003c\/strong\u003e — a genuine Square D protective device designed for reliability in maintenance, retrofit, and replacement projects where exact specifications matter.\u003c\/p\u003e \u003cp\u003eWith a 45-amp rating and a 3-pole design, the FI36045 protects three-phase circuits in compatible panels. When exact matching is essential, this part number serves as the strongest compatibility reference, helping you avoid mismatched replacements and unnecessary downtime.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eAmperage:\u003c\/strong\u003e 45A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePoles:\u003c\/strong\u003e 3-Pole\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePart reference:\u003c\/strong\u003e FI36045\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eApplications:\u003c\/strong\u003e maintenance, retrofit, and replacement that require precise specs\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eCompatibility tip:\u003c\/strong\u003e Confirm fit and ratings before ordering; use the FI36045 part number as the best reference\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eWhy choose this FI36045 for your panel?\u003c\/p\u003e\n\u003cp\u003eAs a trusted Square D solution, it provides dependable circuit protection for three-phase setups and aligns with existing protection schemes in compatible electrical panels. Using the exact FI36045 ensures you maintain consistent trip characteristics and electrical performance during service or upgrades, reducing risk and downtime.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eIdeal for:\u003c\/strong\u003e industrial control panels, commercial electrical rooms, or retrofit projects where a 3-pole, 45A breaker is required\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePractical tips:\u003c\/strong\u003e verify your panel model and label to ensure fit, and keep a spare FI36045 on hand for planned maintenance\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Square D","offers":[{"title":"Default Title","offer_id":46427272478882,"sku":"FI36045","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\/square-d-fi36045-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}