{"product_id":"square-d-qou330-30a-3p-240v-circuit-breaker","title":"Square D QOU330 30A 3P 240V Circuit Breaker | AmpState","description":"\u003cdiv\u003e\n\u003cp\u003eMeet the Square D QOU330 30A 3P 240V Circuit Breaker—engineered for rock-solid protection in panelboards, load centers, and electrical distribution networks. This 3-pole device delivers dependable, coordinated protection for three-phase systems, helping you keep critical circuits safe and prevent cascading outages.\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eKey attributes that matter in real-world setups\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eAmperage\u003c\/strong\u003e: 30 A—balanced protection for circuits with moderate to heavy loads without nuisance trips.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePoles\u003c\/strong\u003e: 3-pole configuration ideal for three-phase distribution and equipment where multi-wire protection is required.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage\u003c\/strong\u003e: 240 V—designed for standard residential and commercial distribution where 240-volt systems prevail.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eCompatibility\u003c\/strong\u003e: Part Number QOU330, a precise match for original BOMs in replacement projects\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eApplication\u003c\/strong\u003e: Suitable for panelboards, load centers, and electrical distribution networks where reliable circuit protection is essential\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003eWhy choose this QOU330 breaker?\u003c\/strong\u003e It’s built to align with your existing electrical architecture, making it an ideal choice for BOM-consistent replacements and stocking spares that minimize downtime. Using the original part number helps ensure you maintain labeling, documentation, and maintenance records without the guesswork that comes with generic alternatives.\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eBest-use scenarios\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eReplacement projects where the OEM BOM requires the QOU330 to preserve compatibility and service history\u003c\/li\u003e \u003cli\u003eSpare inventory for commercial or industrial panels to cut waiting times during outages\u003c\/li\u003e \u003cli\u003eRetrofits or upgrades in three-phase environments that demand coordinated protection across three hot lines\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003eSupport and compatibility at your fingertips\u003c\/strong\u003e \u003cbr\u003e \u003cspan\u003eNeed help matching a part number or confirming compatibility? Message us and we’ll help you confirm fit.\u003c\/span\u003e\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eWhat you get from AmpState\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eAccess to the Square D QOU330 30A 3P 240V Circuit Breaker, ready for integration into your existing electrical distribution setup\u003c\/li\u003e \u003cli\u003eReliable availability and support to verify fit against your panelboard or load center specifications\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"AmpState","offers":[{"title":"Default Title","offer_id":46410846109858,"sku":"QOU330","price":674.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/master_generic_83963f7f-600e-419f-90c6-e7677089642b.png?v=1765492973","url":"https:\/\/www.ampstate.com\/products\/square-d-qou330-30a-3p-240v-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}