{"product_id":"square-d-qob330swn-circuit-breaker","title":"Square D | QOB330SWN | Circuit Breaker | 3-Pole | Bolt-On","description":"\u003cdiv\u003e\n\u003cp\u003eThe Square D QOB330SWN is a 3-pole bolt-on circuit breaker designed to protect three‑phase electrical circuits in panels that support QOB‑style devices. Built for maintenance, retrofit, and replacement projects, this unit ensures exact compatibility where matching specs are required.\u003c\/p\u003e \u003cp\u003eKey reasons to choose the QOB330SWN:\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eThree-pole protection\u003c\/strong\u003e delivers reliable shutdown for 3‑phase circuits, helping safeguard complex electrical installations.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eBolt‑On mounting\u003c\/strong\u003e provides a secure, durable connection in compatible Square D panels, making field replacements straightforward.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eExact compatibility\u003c\/strong\u003e is guided by the part number; QOB330SWN is the best reference for determining fit in panels that accept QOB‑type breakers.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eMaintenance-friendly\u003c\/strong\u003e ideal for retrofit and replacement scenarios where you need to preserve panel ratings and consistent protection.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eBefore ordering, confirm fit and ratings for your specific panel. Use the part number QOB330SWN as the primary reference to ensure you’re selecting the right device for your Square D electrical system.\u003c\/p\u003e \u003cp\u003eSpecifications at a glance:\u003c\/p\u003e \u003cul\u003e \u003cli\u003ePoles: 3‑Pole\u003c\/li\u003e \u003cli\u003eMounting: Bolt-On\u003c\/li\u003e \u003cli\u003ePart number: QOB330SWN\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eWhether you’re planning maintenance, performing a retrofit, or replacing a failing breaker, the Square D QOB330SWN 3‑pole bolt-on breaker delivers dependable protection for your three‑phase circuits with a trusted, field‑proven design.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Square D","offers":[{"title":"Default Title","offer_id":46424729125026,"sku":"QOB330SWN","price":406.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/master_generic_a085eff1-75dd-47ee-b131-4c8df8f0489b.png?v=1765492976","url":"https:\/\/www.ampstate.com\/products\/square-d-qob330swn-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}