{"product_id":"qo350gfi","title":"Square D QO350GFI - 50A, 3-Pole, GFCI Ground-Fault Circuit Breaker","description":"\u003cdiv\u003e\n\u003cp\u003eMeet the Square D QO350GFI — a 50A, 3-Pole GFCI Ground-Fault Circuit Breaker engineered for demanding industrial, commercial, and OEM environments. This robust device delivers precise ground-fault protection within panelboards, switchboards, and control panels, helping to safeguard personnel and critical equipment by disconnecting power quickly when a fault is detected.\u003c\/p\u003e \u003ch2\u003eWhy the QO350GFI Stands Out\u003c\/h2\u003e\n\u003cp\u003eDesigned to integrate seamlessly in Square D QO-style installations, the QO350GFI combines three essential strengths in one compact unit: reliable overcurrent protection, fast ground-fault interruption, and flexible three-pole configuration. It’s purpose-built for applications where safety and uptime are non-negotiable—whether you’re equipping a motor control center, a distribution panel, or a specialized control panel in an industrial setting.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003e50 Amp current rating\u003c\/strong\u003e delivers dependable protection for circuits feeding motors, drives, and other demanding loads.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003e3-Pole design\u003c\/strong\u003e supports three-phase systems common in commercial and industrial facilities, enabling efficient distribution and control.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eGFCI ground-fault protection\u003c\/strong\u003e quickly detects unintended current paths to earth, reducing shock risk and protecting both people and equipment.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVersatile deployment\u003c\/strong\u003e ideal for panelboards, switchboards, and control panels, enhancing safety across multiple enclosure types.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eOEM-ready and industrial-grade\u003c\/strong\u003e built to withstand challenging environments while maintaining consistent performance.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003eIdeal Use Cases\u003c\/h2\u003e\n\u003cp\u003eUse the Square D QO350GFI in scenarios where reliable ground-fault protection is essential. It’s well-suited for:\u003c\/p\u003e \u003cul\u003e \u003cli\u003eMotor control centers and drive panels in manufacturing facilities\u003c\/li\u003e \u003cli\u003eDistribution panels in commercial buildings with rigorous safety standards\u003c\/li\u003e \u003cli\u003eOEM panel assemblies requiring integrated GFCI protection\u003c\/li\u003e \u003cli\u003eEnclosures in environments with moisture exposure or heightened risk of ground faults\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003ePerformance, Safety, and Compliance\u003c\/h2\u003e\n\u003cp\u003eThe QO350GFI delivers fast, predictable disconnection on ground faults, helping to minimize electrical shock hazards and equipment damage. By combining overcurrent protection with ground-fault interruption, it supports safer operation in distribution networks and control systems where quick response matters most. Its compatibility with the Square D QO family ensures straightforward replacement or upgrade in existing panels, reducing installation time and downtime.\u003c\/p\u003e \u003ch3\u003eInstallation and Best Practices\u003c\/h3\u003e\n\u003cp\u003eFor optimal results, pair the QO350GFI with compatible QO-style enclosures and bus configurations. Follow standard electrical code requirements for GFCI protection in your jurisdiction, perform routine function tests, and label protected circuits clearly to simplify maintenance and future inspections.\u003c\/p\u003e \u003ch3\u003eMaintenance and Troubleshooting\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eTest the GFCI function regularly using the built-in test button to confirm proper operation.\u003c\/li\u003e \u003cli\u003eIf nuisance trips occur, inspect for ground faults, moisture ingress, or wiring issues in the protected circuit.\u003c\/li\u003e \u003cli\u003eKeep the surrounding environment dry and free from contaminants that could affect breaker performance.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e engineered for dependable overcurrent protection and safe operation in distribution panels and motor control centers, the Square D QO350GFI 50A 3-Pole GFCI Breaker is a precise, purpose-driven choice for professionals who won’t compromise on safety or reliability.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Square D","offers":[{"title":"Default","offer_id":46390629073058,"sku":"QO350GFI","price":889.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/circuit_breaker_generic_a4e63368-5b47-49d2-9c66-536cfd252b6a.png?v=1765378576","url":"https:\/\/www.ampstate.com\/products\/qo350gfi","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}