{"product_id":"square-d-qba221251-125a-2p-240v-circuit-breaker","title":"Square D QBA221251 125A 2P 240V Circuit Breaker, Plug-On | AmpState","description":"\u003cdiv\u003e\n\u003cp\u003eMeet the Square D QBA221251—a purpose-built plug-on circuit breaker engineered for reliable overcurrent protection in panelboards, load centers, and electrical distribution networks. With \u003cstrong\u003e125 A\u003c\/strong\u003e capacity and a \u003cstrong\u003e2-pole\u003c\/strong\u003e configuration at \u003cstrong\u003e240V\u003c\/strong\u003e, this device is designed to safeguard critical circuits while fitting neatly into compatible Square D installations.\u003c\/p\u003e \u003cp\u003eWhy this breaker stands out for professionals who demand precision: it’s a direct part-number match that ensures seamless compatibility with your existing panels and spare inventories. When you stock the \u003cstrong\u003eQBA221251\u003c\/strong\u003e, you’re selecting a component that aligns with established Square D hardware, reducing cross-reference guesswork and installation errors. AmpState is your source for genuine parts like this, ready for fast procurement when uptime matters.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e QBA221251\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eManufacturer:\u003c\/strong\u003e Square D\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eAmperage:\u003c\/strong\u003e 125 A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePoles:\u003c\/strong\u003e 2\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage:\u003c\/strong\u003e 240V\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e Plug-On Circuit Breaker\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePrimary applications:\u003c\/strong\u003e panelboards, load centers, and electrical distribution systems\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eAvailability:\u003c\/strong\u003e AmpState\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eThis breaker is especially valuable for maintenance teams, panel builders, and facilities managers who prioritize precise part-number alignment in their spare inventories. Whether you’re replacing a failed 2-pole 240V breaker, planning a panel upgrade, or stocking a reliable backup for critical infrastructure, the QBA221251 delivers predictable performance within its voltage and current specifications.\u003c\/p\u003e \u003cp\u003ePractical use scenarios include:\n- Replacing a worn or failed 125 A, 2-pole breaker in an existing panel that requires a direct QBA221251 fit\n- Keeping a pre-verified, ready-to-install spare on service vehicles to minimize downtime\n- Specifying exact Part Numbers during panel builds or retrofits to ensure compatibility with your installation drawings and enclosures\u003c\/p\u003e \u003cp\u003eIf you’re unsure about compatibility with a particular panel or bus arrangement, AmpState offers support to confirm fit and placement. Send a message, and we’ll help verify that the QBA221251 is the right match for your electrical distribution needs.\u003c\/p\u003e \u003cp\u003eChoose the Square D QBA221251 for dependable, specification-aligned circuit protection and a straightforward, plug-on installation path that aligns with your maintenance and panel-building workflows.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"AmpState","offers":[{"title":"Default Title","offer_id":46410908893346,"sku":"QBA221251","price":1737.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/master_generic_83963f7f-600e-419f-90c6-e7677089642b.png?v=1765492973","url":"https:\/\/www.ampstate.com\/products\/square-d-qba221251-125a-2p-240v-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}