{"product_id":"square-d-qob2501021-50a-2-pole-bolt-on-circuit-breaker","title":"Square D QOB2501021 - 50 A, 2-Pole Bolt-On Circuit Breaker | AmpState","description":"\u003cdiv\u003e\n\u003cp\u003eMeet the Square D QOB2501021, a 50A, 2-pole bolt-on molded case circuit breaker designed for dependable branch circuit protection in panelboards and load centers. Engineered to perform across residential, commercial, and light industrial applications, this breaker combines robust construction with precise protection, making it a reliable choice for your electrical infrastructure.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eSecure bolt-on mounting\u003c\/strong\u003e delivers a rigid, vibration-resistant bus connection for long-lasting electrical integrity.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eThermal-magnetic trip unit\u003c\/strong\u003e provides stable, repeatable protection by addressing both overload conditions and short-circuit events, reducing nuisance trips and keeping circuits safer.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eOEM-compatible design\u003c\/strong\u003e ensures seamless compatibility with matching Square D OEM load centers and panelboards, simplifying replacement and upgrades.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003e50A, 2-pole configuration\u003c\/strong\u003e suits typical 240V branch circuits, ideal for mid-to-large loads in various settings.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eMolded case construction\u003c\/strong\u003e combines durability with predictable trip characteristics, supporting reliable performance over time.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWhy this breaker is a smart choice\u003c\/h3\u003e\n\u003cp\u003eThe QOB2501021 is purpose-built for everyday protection where reliability matters. Its bolt-on mounting minimizes movement and wear in vibration-prone environments, while the thermal-magnetic trip unit delivers fast, consistent responses to overloads and faults. By pairing with matching OEM equipment, it helps maintain electrical system coordination and protection curves that technicians rely on for safe operation and easier maintenance.\u003c\/p\u003e \u003ch3\u003eIdeal use cases\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eResidential service panels upgrading or expanding 240V branch circuits (e.g., dedicated HVAC feeders, electric water heaters, large outlets).\u003c\/li\u003e \u003cli\u003eCommercial panelboards supporting equipment like rooftop units, cooling systems, or high-draw industrial lighting circuits.\u003c\/li\u003e \u003cli\u003eLight industrial installations that require dependable overcurrent and short-circuit protection with a robust bolt-on mount.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eTechnical details 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 QOB2501021\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 50A\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 \u003cp\u003eProtect your panelboard and load center with a trusted Square D solution that delivers durable construction, precise protection, and straightforward integration. Add the QOB2501021 to your cart to ensure steady, reliable performance across the circuits that power your home or business.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Amp State","offers":[{"title":"Default Title","offer_id":46355412549794,"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_f9bcbac5-e312-4d05-8a7e-8ebc741d6d08.png?v=1764691951","url":"https:\/\/www.ampstate.com\/products\/square-d-qob2501021-50a-2-pole-bolt-on-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}