{"product_id":"square-d-qob350gfi-50a-240v-3-pole-bolt-on-circuit-breaker","title":"Square D QOB350GFI - 50 A, 240 V, 3-Pole Bolt-On Circuit Breaker | AmpState","description":"\u003cdiv\u003e\n\u003cp\u003eThe Square D QOB350GFI is a robust 50A, 240V, 3-pole bolt-on molded case circuit breaker designed to deliver dependable branch circuit protection for panelboards and load centers. Built to withstand vibration and harsh operating conditions, this breaker helps you maintain a clean, safer electrical distribution system across residential, commercial, and light industrial settings.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eSecure bolt-on mounting\u003c\/strong\u003e provides a rigid, vibration-resistant bus connection, helping minimize movement and wear over time.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eThermal-magnetic trip unit\u003c\/strong\u003e delivers stable, repeatable protection by responding to both overloads and short circuits, reducing nuisance trips and protecting downstream equipment.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eOEM-compatible design\u003c\/strong\u003e is engineered to fit matching Square D panelboards and load centers, preserving performance, labeling, and reliability.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVersatile applications\u003c\/strong\u003e—suitable for residential, commercial, and light industrial circuits that require solid overcurrent and short-circuit protection.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eTechnical snapshot\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eManufacturer:\u003c\/strong\u003e Square D\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e QOB350GFI\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e Thermal-magnetic molded case circuit breaker\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eAmperage Rating:\u003c\/strong\u003e 50 A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage Rating:\u003c\/strong\u003e 240 V\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eNumber of Poles:\u003c\/strong\u003e 3\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eMounting Style:\u003c\/strong\u003e Bolt-on\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eApplication:\u003c\/strong\u003e Branch circuit overcurrent and short-circuit protection\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWhy choose this breaker for your panel\u003c\/h3\u003e\n\u003cp\u003eWhen upgrading or performing routine panel maintenance, the QOB350GFI delivers precise, reliable protection for critical loads. The combination of bolt-on stability and a thermal-magnetic trip mechanism means you get fast, predictable responses to electrical faults while maintaining a solid, vibration-free connection to the bus. Its compatibility with Square D OEM load centers ensures a clean fit and consistent performance alongside your existing protection scheme.\u003c\/p\u003e \u003cp\u003eIdeal for upgrading service panels, distributing power to home theater and workshop circuits, or feeding lighting and HVAC in small commercial spaces, the QOB350GFI provides a dependable backbone for safe electrical distribution. \u003cstrong\u003eFrom AmpState\u003c\/strong\u003e, you can trust authentic Square D components built to meet industry standards and long-term reliability.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Amp State","offers":[{"title":"Default Title","offer_id":46355420872866,"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_5bc8959a-aa81-428f-8e28-4e68d43511c5.png?v=1764691995","url":"https:\/\/www.ampstate.com\/products\/square-d-qob350gfi-50a-240v-3-pole-bolt-on-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}