{"product_id":"square-d-qba221504-circuit-breaker","title":"Square D | QBA221504 | Circuit Breaker | 150A | 2-Pole | 240V | Plug-In","description":"\u003cdiv\u003e\n\u003cp\u003eMeet the Square D QBA221504 Circuit Breaker — a purpose-built plug-in solution designed for maintenance, retrofit, and replacement tasks where exact specs matter. This 150-amp, 2-pole unit provides reliable protection for 240V circuits in compatible Square D panels, with a plug-in design that streamlines installation for professionals and competent DIYers alike.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eAmperage:\u003c\/strong\u003e 150 A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePoles:\u003c\/strong\u003e 2-Pole\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage:\u003c\/strong\u003e 240 V\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e Plug-In\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eBrand\/Model:\u003c\/strong\u003e Square D QBA221504\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eIntended use:\u003c\/strong\u003e Maintenance, retrofit, and replacement where matching specs are required\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch4\u003eIdeal use scenarios\u003c\/h4\u003e\n\u003cul\u003e \u003cli\u003eReplacing a failed or outdated 2-pole, 240V breaker in compatible Square D panels with a trusted 150A rating.\u003c\/li\u003e \u003cli\u003eUpgrading a feeder or circuit to accommodate higher load in residential or light commercial applications within a panel that accepts plug-in breakers.\u003c\/li\u003e \u003cli\u003ePerforming routine panel maintenance or retrofit projects where exact part specifications are essential for safe, compliant operation.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003eWhy choose this model?\u003c\/strong\u003e The QBA221504 is a genuine Square D component designed to meet the needs of installations requiring a precise 150A, 2-pole, 240V plug-in solution. Its plug-in format supports quick substitutions in compatible panels, helping you minimize downtime while ensuring consistent electrical protection aligned with your panel’s design. Using the exact part number as your compatibility reference reduces the guesswork in maintenance or retrofit projects.\u003c\/p\u003e \u003ch4\u003eCompatibility and ordering notes\u003c\/h4\u003e\n\u003cp\u003eBefore purchasing, confirm fit and ratings are appropriate for your panel. The part number QBA221504 is your best reference for compatibility, ensuring the breaker aligns with your panel’s specifications and bus arrangement. If in doubt, cross-check the exact model and amperage against your existing setup to avoid mismatches.\u003c\/p\u003e \u003cp\u003eReady to secure reliable protection for your 240V circuits? Add the Square D QBA221504 150A 2-Pole Plug-In Circuit Breaker to your cart and perform maintenance or upgrades with confidence.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Square D","offers":[{"title":"Default Title","offer_id":46425622511778,"sku":"QBA221504","price":310.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/square-d-qba221504-circuit-breaker-150a-2-pole-240v-plug-544.webp?v=1789432002","url":"https:\/\/www.ampstate.com\/products\/square-d-qba221504-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}