{"product_id":"qo3405239","title":"Square D QO3405239 - Circuit Breaker","description":"\u003cdiv\u003e\n\u003cp\u003eMeet the Square D QO3405239 Circuit Breaker—a trusted safeguard engineered for reliability in demanding electrical systems. Built to protect both people and equipment, this breaker delivers dependable overcurrent protection where it matters most.\u003c\/p\u003e \u003cp\u003eDesigned for seamless integration, the QO3405239 fits into panelboards, switchboards, control panels, and OEM equipment, making it a versatile choice for a range of applications. Whether you’re upgrading a distribution panel, equipping a motor control center, or provisioning protective devices for a commercial or industrial control system, this breaker is ready to perform under pressure.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\u003cstrong targeted protection for demanding environments\u003e: Provides reliable overcurrent protection to help prevent damage from faults and short circuits in critical systems.\u003c\/strong\u003e\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eWide compatibility across key assemblies\u003c\/strong\u003e: Suitable for panelboards, switchboards, control panels, and OEM equipment, ensuring consistent protection in diverse installations.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eIndustrial and commercial suitability\u003c\/strong\u003e: Ideal for industrial facilities, commercial buildings, and OEM projects where safe operation and uptime are essential in distribution panels and motor control centers.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eDependable performance with familiar integration\u003c\/strong\u003e: Part of the Square D QO family, offering a familiar form factor and straightforward replacement within existing protection schemes.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eMaintenance-conscious design\u003c\/strong\u003e: Built for longevity in real-world environments, helping reduce downtime and maintenance headaches.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eThis breaker is a practical choice for professionals who value consistent protection, easy installation, and compatibility with existing Square D components. It’s particularly well-suited for maintenance engineers, facility managers, OEM integrators, and electrical contractors responsible for safeguarding distribution panels, motor control centers, and control panels in industrial, commercial, and OEM settings.\u003c\/p\u003e \u003cp\u003eWhy choose the Square D QO3405239 over generic protection options? It pairs a proven brand with a purpose-built design for demanding electrical systems, delivering dependable operation in critical protection roles. Its form, compatibility, and reliability help ensure your protection strategy remains straightforward and effective across a variety of installations.\u003c\/p\u003e \u003cp\u003eInvest in a trusted protection solution that aligns with your electrical design and maintenance needs. The Square D QO3405239 Circuit Breaker is ready to safeguard essential assets and keep systems running smoothly.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Square D","offers":[{"title":"Default","offer_id":46391403446434,"sku":"QO3405239","price":925.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/circuit_breaker_generic_cb62c007-2159-49d6-af92-51bb11e64240.png?v=1765383094","url":"https:\/\/www.ampstate.com\/products\/qo3405239","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}