{"product_id":"square-d-qo330m150-circuit-breaker","title":"Square D | QO330M150 | Circuit Breaker | 150A","description":"\u003cdiv\u003e\n\u003cp\u003eThe Square D \u003cstrong\u003eQO330M150\u003c\/strong\u003e circuit breaker delivers reliable, code‑compliant protection for 150‑amp circuits within compatible QO panelboards. This OEM replacement part is specifically suited for maintenance, retrofit, and replacement projects where exact specifications matter—ensuring a seamless swap with your existing Square D infrastructure.\u003c\/p\u003e \u003ch2\u003eWhy the QO330M150 stands out\u003c\/h2\u003e\n\u003cp\u003eEngineered by Square D for the QO series, this 150 A circuit breaker is designed for straightforward installation in compatible panels, supporting long service life and predictable tripping behavior when overcurrent occurs. The 150 A rating is tailored to protect high‑demand circuits while minimizing nuisance trips when used with appropriately sized loads.\u003c\/p\u003e \u003ch3\u003eKey specifications\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eAmperage rating:\u003c\/strong\u003e 150 A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eSeries:\u003c\/strong\u003e QO (Square D)\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eFunction:\u003c\/strong\u003e Overcurrent protection for the protected circuit\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eCompatibility note:\u003c\/strong\u003e Confirm fit and ratings before ordering. The part number is the best reference for compatibility.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eIdeal use cases\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eMaintenance and servicing of existing Square D QO panelboards—swap in a like‑for‑like unit to restore protective coverage quickly.\u003c\/li\u003e \u003cli\u003eRetrofit projects where a 150 A circuit needs reliable protection within a QO‑series panel without changing other hardware.\u003c\/li\u003e \u003cli\u003eReplacement for failed or worn breakers in residential, commercial, or light industrial installations that rely on QO system compatibility.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003ePractical guidance for a smooth replacement\u003c\/h3\u003e\n\u003cp\u003eTo ensure a successful upgrade or replacement, verify that the panel is part of the Square D QO family and that the 150 A rating matches the circuit being protected. Since configuration and compatibility hinge on the exact part reference, the \u003cstrong\u003eQO330M150\u003c\/strong\u003e designation is the most reliable reference when ordering.\u003c\/p\u003e \u003cp\u003eWhen you’re looking for a precise, OEM‑quality 150‑amp breaker for QO panels, the \u003cstrong\u003eQO330M150\u003c\/strong\u003e delivers dependable protection, straightforward installation, and enduring performance—making maintenance, retrofit, and replacement projects simpler and more predictable.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Square D","offers":[{"title":"Default Title","offer_id":46426099286178,"sku":"QO330M150","price":2010.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/square-d-qo330m150-circuit-breaker-150a-923.webp?v=1789510835","url":"https:\/\/www.ampstate.com\/products\/square-d-qo330m150-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}