{"product_id":"square-d-qba221501-circuit-breaker","title":"Square D | QBA221501 | Circuit Breaker | 150A | 2-Pole | 240V","description":"\u003cdiv\u003e\n\u003cp\u003eMeet the Square D QBA221501 Circuit Breaker — a purpose-built, direct-replacement device for 150A, 2-pole, 240V circuits in Square D panels. Designed for maintenance, retrofit, and replacement work, this breaker delivers a reliable path to restoring protection without a full panel overhaul.\u003c\/p\u003e \u003cp\u003eWith the part number QBA221501 as your best compatibility reference, this breaker drops into the same footprint and wiring terminals as your existing unit, making upgrades quick and straightforward. Always confirm fit and ratings against your panel catalog before ordering to ensure a seamless swap.\u003c\/p\u003e \u003ch3\u003eKey specifications\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eAmperage:\u003c\/strong\u003e 150A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePoles:\u003c\/strong\u003e 2-Pole\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage:\u003c\/strong\u003e 240V\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWhy this matters\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eTargeted protection for high-demand circuits:\u003c\/strong\u003e 150A capacity safeguards wiring and connected equipment from overloads on 240V systems.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eTwo legs, one safe disconnect:\u003c\/strong\u003e The 2-pole design ensures both hot legs trip together, enhancing safety on 240V installations.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eEfficient retrofit:\u003c\/strong\u003e Built for the Square D QBA family, offering a straightforward swap that minimizes downtime and panel rework.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eClear compatibility reference:\u003c\/strong\u003e Rely on the QBA221501 part number to verify compatibility across compatible Square D panels and load centers.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eIdeal use cases\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eReplacing a failed or aging 150A, 240V breaker in existing Square D panels\u003c\/li\u003e \u003cli\u003eRetrofits where a 150A, 2-pole protection is needed for new equipment or added load\u003c\/li\u003e \u003cli\u003eMaintenance projects that require preserving the original protection scheme and panel architecture\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eInstallation and safety tips\u003c\/h3\u003e\n\u003cp\u003ePower down the panel and follow local electrical codes during installation. Verify panel compatibility using the QBA221501 reference, as different Square D panels may use different breaker families. If uncertainty arises, consult the panel documentation or a qualified electrician to ensure a proper, safe fit.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Square D","offers":[{"title":"Default Title","offer_id":46425622479010,"sku":"QBA221501","price":945.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/square-d-qba221501-circuit-breaker-150a-2-pole-240v-892.webp?v=1789431990","url":"https:\/\/www.ampstate.com\/products\/square-d-qba221501-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}