{"product_id":"square-d-q4f3300-circuit-breaker","title":"Square D | Q4F3300 | Circuit Breaker | 300A | 3-Pole | 240V","description":"\u003cdiv\u003e\n\u003cp\u003eIntroducing the Square D Q4F3300 circuit breaker — a purpose-built protection device for demanding 3-phase electrical systems. Rated at \u003cstrong\u003e300 A\u003c\/strong\u003e, with \u003cstrong\u003e3-Pole\u003c\/strong\u003e configuration and \u003cstrong\u003e240 V\u003c\/strong\u003e operation, it delivers dependable overcurrent protection for commercial and industrial panels. This unit is ideal for maintenance, retrofit, and replacement projects where exact compatibility matters and the \u003cem\u003eQ4F3300\u003c\/em\u003e part number serves as your primary reference.\u003c\/p\u003e \u003cul\u003e \u003cli\u003eAmperage: \u003cstrong\u003e300 A\u003c\/strong\u003e\n\u003c\/li\u003e \u003cli\u003ePoles: \u003cstrong\u003e3-Pole\u003c\/strong\u003e\n\u003c\/li\u003e \u003cli\u003eVoltage: \u003cstrong\u003e240 V\u003c\/strong\u003e\n\u003c\/li\u003e \u003cli\u003eBest reference for compatibility: the \u003cem\u003eQ4F3300\u003c\/em\u003e part number\u003c\/li\u003e \u003cli\u003eIntended use: maintenance, retrofit, and replacement in suitable Square D panels\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eWhy choose the Square D Q4F3300 over generic protection devices? This breaker is engineered to align with Square D panel architectures, delivering a precise mounting footprint, trip characteristics, and electrical timing that match your existing system. Using a non-matching breaker can lead to fit issues or inconsistent protection; this model minimizes that risk by targeting an exact form factor and ratings that mirror your original equipment.\u003c\/p\u003e \u003ch3\u003eIdeal use cases and scenarios\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eRetrofits in aging or upgraded three-phase industrial panels that require a \u003cstrong\u003e300 A\u003c\/strong\u003e, \u003cstrong\u003e3-Pole\u003c\/strong\u003e, \u003cstrong\u003e240 V\u003c\/strong\u003e protection device\u003c\/li\u003e \u003cli\u003eMaintenance replacements in manufacturing facilities, data centers, or HVAC installations where reliability matters\u003c\/li\u003e \u003cli\u003eNew installations that must mirror existing Square D configurations to ensure consistent electrical performance\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003eFit and compatibility\u003c\/strong\u003e: Before ordering, verify the panel’s labeling and service documentation to confirm that the Q4F3300 matches the required form factor and ratings. The \u003cem\u003eQ4F3300\u003c\/em\u003e part number is the most reliable reference for ensuring a seamless fit and correct protection characteristics.\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003ePractical tips for installation and care\u003c\/strong\u003e: Ensure the power is fully isolated before work, and engage a licensed electrician to handle replacement in accordance with local electrical codes. Use only approved Square D accessories and follow manufacturer guidance to maintain panel integrity and protection performance over time.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Square D","offers":[{"title":"Default Title","offer_id":46426091978914,"sku":"Q4F3300","price":24210.0,"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-q4f3300-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}