{"product_id":"square-d-qob2110-110a-240v-2-pole-bolt-on-circuit-breaker","title":"Square D QOB2110 - 110 A, 240 V, 2-Pole Bolt-On Circuit Breaker | AmpState","description":"\u003cdiv\u003e\n\u003cp\u003eMeet the Square D QOB2110, a 2-pole bolt-on molded case circuit breaker built for reliable branch circuit protection in panelboards and load centers. With a 110 A rating and 240 V operation, this unit delivers strong, consistent protection for demanding residential, commercial, and light industrial circuits.\u003c\/p\u003e \u003ch3\u003eWhy the QOB2110 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 helps maintain consistent electrical contact over time.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eThermal-magnetic trip unit\u003c\/strong\u003e provides stable, repeatable protection, responding quickly to overcurrents and short circuits while minimizing nuisance trips.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003e2-pole design\u003c\/strong\u003e protects both conductors in 240 V circuits, ensuring complete disconnection when protection is required.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eOEM-compatible\u003c\/strong\u003e designed to pair with matching Square D OEM load centers and panelboards for a seamless, dependable fit.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVersatile for multiple sectors\u003c\/strong\u003e ideal for residential distribution, commercial subpanels, and light industrial panel applications.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eTechnical essentials at a glance\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 QOB2110\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 110 A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage rating:\u003c\/strong\u003e 240 V\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePoles:\u003c\/strong\u003e 2\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\u003eIdeal use cases\u003c\/h3\u003e\n\u003cp\u003eUse the QOB2110 to protect feeders and individual branch circuits in panelboards and load centers that require robust 240 V, 2-pole protection. It’s well-suited for:\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eResidential distribution panels serving kitchens, HVAC, and high-draw appliances\u003c\/li\u003e \u003cli\u003eCommercial subpanels powering lighting, outlets, and small-mupply infrastructure\u003c\/li\u003e \u003cli\u003eLight industrial panels handling fault protection for equipment and machinery circuits\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eInstallation and compatibility tips\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eEnsure your panelboard or load center is designed to accept Square D QOB-series breakers for an optimal fit and performance.\u003c\/li\u003e \u003cli\u003eMount using the bolt-on method as specified by OEM guidelines to achieve the best mechanical stability and bus contact.\u003c\/li\u003e \u003cli\u003eFollow the manufacturer’s installation instructions for torque and wiring practices to maintain safe, reliable protection.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eWhether you’re upgrading an old panel, configuring a new distribution board, or stocking spare parts for service calls, the Square D QOB2110 delivers dependable, precise protection where it matters most. Order today from AmpState and equip your electrical system with a proven, OEM-compatible solution that stands up to everyday demands.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Amp State","offers":[{"title":"Default Title","offer_id":46355409764514,"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_8fb03833-eea2-4aeb-b39e-914381baa765.png?v=1764691920","url":"https:\/\/www.ampstate.com\/products\/square-d-qob2110-110a-240v-2-pole-bolt-on-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}