{"product_id":"square-d-qo350swn-circuit-breaker","title":"Square D | QO350SWN | Circuit Breaker | 50A | 3-Pole | 240V | 10kA | Plug-In","description":"\u003cdiv\u003e\n\u003cp\u003eMeet the Square D QO350SWN: a purpose-built, plug-in circuit breaker engineered for reliable protection in 240V systems. With \u003cstrong\u003e50A\u003c\/strong\u003e capacity, \u003cstrong\u003e3-Pole\u003c\/strong\u003e configuration, and a \u003cstrong\u003e10kA interrupting rating\u003c\/strong\u003e, this breaker is ready to safeguard demanding motor loads, HVAC circuits, and other higher-current equipment in QO-style panels.\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eWhy it matters\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003ePlug-In convenience\u003c\/strong\u003e: Quick swap within compatible Square D QO panels, minimizing downtime and simplifying maintenance or retrofit projects.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePrecise compatibility\u003c\/strong\u003e: The \u003cem\u003eQO350SWN\u003c\/em\u003e part number is the best reference for matching fits—always confirm fit and ratings before ordering.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eStructured protection\u003c\/strong\u003e: A solid 50A rating paired with a 10kA interrupting capability provides robust defense against overloads and short circuits in 240V circuits.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eKey specifications at a glance\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eAmperage\u003c\/strong\u003e: 50A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePoles\u003c\/strong\u003e: 3‑Pole\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage\u003c\/strong\u003e: 240V\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eInterrupting rating\u003c\/strong\u003e: 10kA\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eStyle\u003c\/strong\u003e: Plug-In\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePart number\u003c\/strong\u003e: QO350SWN\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eIdeal use cases\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eReplacing aging or failed 50A 3-pole breakers in Square D QO panels during routine maintenance or after load-center retrofits.\u003c\/li\u003e \u003cli\u003eRetrofit projects where a precise 3-pole, 240V protection solution is required for motor circuits or 3‑phase equipment in mid-size installations.\u003c\/li\u003e \u003cli\u003eNew installations within compatible QO load centers where a plug-in, code-compliant breaker is preferred for fast, reliable protection.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003ePractical considerations and tips\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eBefore purchasing, verify that your panel accepts QO plug-in breakers and that the QO350SWN aligns with your current configuration.\u003c\/li\u003e \u003cli\u003eUse this breaker to protect circuits that demand stable 50A protection with clear fault clearing at high interrupting capacities, reducing potential damage to wiring and equipment.\u003c\/li\u003e \u003cli\u003eKeep the exact part number handy during ordering—it’s the most reliable reference for compatibility and future replacements.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eDesigned for professionals who demand dependable protection with straightforward installation, the Square D QO350SWN is a practical, precise choice for 50A, 3-pole, 240V circuits in compatible QO panels. It delivers the protection you need with the efficiency you want in maintenance, retrofit, or replacement projects.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Square D","offers":[{"title":"Default Title","offer_id":46424413012130,"sku":"QO350SWN","price":310.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/square-d-qo350swn-circuit-breaker-50a-3-pole-240v-10ka-plug-307.webp?v=1789354770","url":"https:\/\/www.ampstate.com\/products\/square-d-qo350swn-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}