{"product_id":"qo245","title":"Square D QO245 - 45A, 2-Pole, Circuit Breaker","description":"\u003cdiv\u003e\n\u003cp\u003eMeet the Square D QO245, a 45A, 2-Pole circuit breaker designed to deliver reliable overcurrent protection in demanding electrical environments. Its two-pole configuration ensures both live conductors trip together, providing safer operation for 240V circuits while safeguarding panelboards, switchboards, and control panels alike.\u003c\/p\u003e \u003ch3\u003eWhy the QO245 stands apart\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003ePrecise 45A protection\u003c\/strong\u003e tuned for branch circuits, feeders, and moderate motor loads within distribution panels and motor control centers.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eDual-pole reliability\u003c\/strong\u003e interrupts both hot lines simultaneously, reducing the risk of unprotected return paths and promoting safer shutdowns in fault conditions.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eQO-series compatibility\u003c\/strong\u003e designed for quick, straightforward replacement in existing Square D installations, streamlining upgrades and maintenance.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eDurable, real-world construction\u003c\/strong\u003e built to perform in industrial, commercial, and OEM applications where dependable protection and safe operation are critical.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eIdeal use cases\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eDistribution panels and motor control centers in industrial facilities needing dependable two-pole protection for 240V circuits.\u003c\/li\u003e \u003cli\u003eCommercial panelboards requiring compact, reliable breakers that fit standard QO footprints.\u003c\/li\u003e \u003cli\u003eOEM equipment where a robust, easy-to-source 45A, 2-Pole solution supports push-in or plug-on installations.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWhat problems does it solve?\u003c\/h3\u003e\n\u003cp\u003eThe QO245 provides precise overcurrent protection, helping to prevent wiring damage, component burnout, and electrical fires by swiftly interrupting current when faults occur. Its two-pole design ensures coordinated shutdown across both conductors, safeguarding equipment and improving protection for multi-wire circuits.\u003c\/p\u003e \u003ch3\u003ePractical guidance and insights\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eUse in applications where simultaneous disconnection of both hot legs is essential for safety and code compliance.\u003c\/li\u003e \u003cli\u003eChoose this 45A, 2-Pole model when your panel or MCC requires a reliable protection point within the Square D QO family.\u003c\/li\u003e \u003cli\u003eMaintain compatibility with existing QO panels to minimize downtime during replacement or upgrades.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eSpecifications at a glance\u003c\/h3\u003e\n\u003cp\u003eCurrent rating: 45A • Poles: 2-Pole • Breaker type: Circuit Breaker\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Square D","offers":[{"title":"Default","offer_id":46390598533282,"sku":"QO245","price":69.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/circuit_breaker_generic_ebdc9ffa-6cdd-428b-ab99-716d2fdeed98.png?v=1765377526","url":"https:\/\/www.ampstate.com\/products\/qo245","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}