{"product_id":"square-d-hgf36045-circuit-breaker","title":"Square D | HGF36045 | Circuit Breaker | 45A | 3-Pole","description":"\u003cdiv\u003e\n\u003cp\u003e\u003cstrong\u003eSquare D HGF36045 45A 3-Pole Circuit Breaker\u003c\/strong\u003e is a durable, trusted protection device built for demanding electrical systems. Designed for maintenance, retrofit, and replacement, this 3-pole breaker delivers reliable overcurrent protection for 3-phase circuits.\u003c\/p\u003e \u003ch2\u003eKey specifications\u003c\/h2\u003e\n\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 number:\u003c\/strong\u003e HGF36045\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eCompatibility reminder:\u003c\/strong\u003e Confirm fit and ratings before ordering. The part number is the best reference for matching your panel and application.\u003c\/p\u003e \u003ch2\u003eWhat problems does it solve?\u003c\/h2\u003e\n\u003cp\u003eWhether you're performing a retrofit to bring an older Square D panel up to current safety standards, replacing a worn breaker, or maintaining critical equipment, this 3-pole 45A breaker protects three-phase loads from overcurrent. It's well-suited for motor circuits, compressors, pumps, and other industrial or commercial equipment that rely on stable 3-phase protection.\u003c\/p\u003e \u003ch2\u003eWhy choose this Square D breaker?\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003eBrand-backed reliability from Square D—well-known for consistent trip performance and compatibility within Square D panel ecosystems.\u003c\/li\u003e \u003cli\u003ePrecise replacement identity with part number HGF36045, minimizing the risk of mismatches in retrofit projects.\u003c\/li\u003e \u003cli\u003eDesigned for maintenance, retrofit, and replacement tasks, not just new installations, helping extend panel life and uptime.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003ePractical tips\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003eBefore purchase, verify that your panel label lists HGF36045 or indicates compatibility with 3-pole 45A breakers of this form factor.\u003c\/li\u003e \u003cli\u003eKeep a spare for essential service calls to reduce downtime during motor or equipment failures.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Square D","offers":[{"title":"Default Title","offer_id":46427511357602,"sku":"HGF36045","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-hgf36045-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}