{"product_id":"square-d-qga221751-circuit-breaker","title":"Square D | QGA221751 | Circuit Breaker | 175A | 2-Pole | 240V | 65kA | Plug-In","description":"\u003cdiv\u003e\n\u003cp\u003e\u003cstrong\u003eSquare D QGA221751 Circuit Breaker\u003c\/strong\u003e is a rugged, plug-in protection device engineered for demanding 240V circuits. This 2-pole breaker delivers 175A of continuous protection with a robust 65kA interrupting rating, making it a reliable choice for retrofit, maintenance, or replacement projects in compatible Square D panels.\u003c\/p\u003e \u003ch3\u003eKey features that matter in real-world setups\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eAmperage\u003c\/strong\u003e: 175A — suitable for high-load applications and large-draw equipment.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePoles\u003c\/strong\u003e: 2-Pole — protects both hot legs of a 240V circuit with a single device.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage\u003c\/strong\u003e: 240V — designed for standard 240V distribution systems in commercial and industrial environments.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eInterrupting rating\u003c\/strong\u003e: 65kA — substantial short-circuit protection to help guard downstream equipment and wiring.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eMounting style\u003c\/strong\u003e: Plug-In — enables quicker swaps and easier retrofits in compatible panels, reducing downtime during maintenance or upgrades.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eReference model\u003c\/strong\u003e: QGA221751 — using the part number as your compatibility reference is the most reliable way to match panels and listings.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWhy this plug-in breaker stands out\u003c\/h3\u003e\n\u003cp\u003eFor facilities that need dependable protection without complicated installations, the QGA221751 delivers a straightforward plug-in solution that fits into compatible Square D panels designed for QGA-series breakers. The 2-pole design ensures a solid, two-wire protection scheme for 240V circuits, while the high 65kA interrupting rating provides a generous margin for fault currents typical in industrial and commercial environments. By leveraging a plug-in format, technicians can perform precise replacements or upgrades without modifying bus bars or jumpering cables, helping you keep downtime to a minimum.\u003c\/p\u003e \u003ch3\u003eIdeal use cases\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eRetrofit projects where existing equipment requires an upgrade to a 175A, 2-pole 240V protective device.\u003c\/li\u003e \u003cli\u003eMaintenance swaps in service panels that specify Square D QGA-series plug-in breakers.\u003c\/li\u003e \u003cli\u003eNew installations in compatible panels that require robust protection for high-demand 240V circuits.\u003c\/li\u003e \u003cli\u003eProtection for large motors, HVAC equipment, or other substantial 240V loads in commercial facilities.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eCompatibility and practical installation tips\u003c\/h3\u003e\n\u003cp\u003eBefore ordering, confirm fit and ratings to ensure seamless compatibility with your panel. The QGA221751 is the best reference for compatibility—cross-check your panel’s listing to verify it accepts plug-in QGA breakers. When installing, follow standard electrical safety practices and, if in doubt, engage a licensed electrician. Keep a maintenance log entry for the replacement with the exact part number and rating for easy future reference.\u003c\/p\u003e \u003ch3\u003eWhat you gain with this circuit breaker\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eFaster replacements in compatible panels thanks to the plug-in design, minimizing downtime.\u003c\/li\u003e \u003cli\u003eReliable protection for high-demand 240V circuits with a strong fault-current interrupting capability.\u003c\/li\u003e \u003cli\u003eClear, referenceable part number (QGA221751) that simplifies ordering and compatibility checks.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Square D","offers":[{"title":"Default Title","offer_id":46425674023074,"sku":"QGA221751","price":3409.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/square-d-qga221751-circuit-breaker-175a-2-pole-240v-65ka-plug-966.webp?v=1789439552","url":"https:\/\/www.ampstate.com\/products\/square-d-qga221751-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}