{"product_id":"square-d-qob250gfi-50a-240v-2-pole-bolt-on-circuit-breaker","title":"Square D QOB250GFI - 50 A, 240 V, 2-Pole Bolt-On Circuit Breaker | AmpState","description":"\u003cdiv\u003e\n\u003cp\u003eMeet the Square D QOB250GFI—a 50A, 240V, 2-pole bolt-on molded case circuit breaker built for dependable branch circuit protection in panelboards and loadcenters. This thermal-magnetic unit delivers stable, repeatable protection performance, helping your electrical system resist overloads and short circuits with confidence.\u003c\/p\u003e \u003ch3\u003eWhy this breaker stands out\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eSecure bolt-on mounting\u003c\/strong\u003e creates a rigid, vibration-resistant bus connection that stays tight through the life of the panel.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eThermal-magnetic trip unit\u003c\/strong\u003e provides coordinated protection: the thermal element handles gradual overloads, while the magnetic element snaps in for fast short-circuit interruption.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eOEM-compatible design\u003c\/strong\u003e engineered to be compatible with matching Square D OEM loadcenters and panelboards, ensuring a clean fit and reliable electrical performance.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVersatile for multiple environments\u003c\/strong\u003e ideal for residential, commercial, and light industrial applications where dependable overcurrent and short-circuit protection is essential.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eKey specifications at a glance\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eManufacturer: Square D\u003c\/li\u003e \u003cli\u003ePart Number: QOB250GFI\u003c\/li\u003e \u003cli\u003eType: Thermal-magnetic molded case circuit breaker\u003c\/li\u003e \u003cli\u003eAmperage Rating: 50A\u003c\/li\u003e \u003cli\u003eVoltage Rating: 240V\u003c\/li\u003e \u003cli\u003eNumber of Poles: 2\u003c\/li\u003e \u003cli\u003eMounting Style: Bolt-on\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWhat problems it solves\u003c\/h3\u003e\n\u003cp\u003eThis breaker protects wiring, outlets, and downstream devices by interrupting fault currents quickly and reliably. With a robust trip mechanism and solid bus connections, it minimizes nuisance trips and helps maintain panel integrity in demanding installations.\u003c\/p\u003e \u003ch3\u003ePractical use cases\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eResidential: Feed 50A branch circuits in subpanels for high-demand appliances or HVAC equipment.\u003c\/li\u003e \u003cli\u003eCommercial: Protect 240V circuits in light commercial panels that power motors, compressors, or large receptacle banks.\u003c\/li\u003e \u003cli\u003eLight Industrial: Serve distribution panels where consistent protection and durable mounting are priorities.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eInstallation and upkeep tips\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eVerify panelboard compatibility with the OEM loadcenter before installation.\u003c\/li\u003e \u003cli\u003eUse the bolt-on method to secure a solid bus connection and minimize movement from vibrations.\u003c\/li\u003e \u003cli\u003eConsult the manufacturer’s guidelines for installation torque and perform a post-installation trip test to confirm proper operation.\u003c\/li\u003e \u003cli\u003eRegularly inspect service breakers for signs of overheating or wear and replace as needed to maintain system protection.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Amp State","offers":[{"title":"Default Title","offer_id":46355412680866,"sku":null,"price":710.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/schnieder_and_square_d_breaker_and_panel_92d9c546-80b3-4d25-a81e-2c58a1d8a29d.png?v=1764691953","url":"https:\/\/www.ampstate.com\/products\/square-d-qob250gfi-50a-240v-2-pole-bolt-on-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}