{"product_id":"square-d-qda321506-circuit-breaker","title":"Square D | QDA321506 | Circuit Breaker | 3-Pole","description":"\u003cdiv\u003e\n\u003cp\u003e\u003cstrong\u003eSquare D QDA321506 3-Pole Circuit Breaker\u003c\/strong\u003e delivers dependable three-phase protection for maintenance, retrofit, and replacement projects where exact specifications matter. This 3-Pole model safeguards all three hot conductors, helping prevent equipment damage and minimizing downtime in demanding electrical systems.\u003c\/p\u003e \u003cp\u003eKey advantages you’ll value:\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eThree-pole protection for balanced safety\u003c\/strong\u003e: Protects every phase in a three-phase circuit, ensuring consistent trip behavior across all legs.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePerfect for upgrades and replacements\u003c\/strong\u003e: A practical choice when refreshing panel protection or integrating new equipment into existing installations.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eBest-fit guidance via part number\u003c\/strong\u003e: The part number QDA321506 is your most reliable reference for compatibility—always verify fit and ratings before ordering.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eTrusted Square D reliability\u003c\/strong\u003e: Built by a long-standing name in electrical safety, this breaker is designed for durability in real-world environments.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003ePractical considerations to keep in mind:\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eMatch the panel’s frame size and trip characteristics to ensure seamless operation—the QDA321506 reference helps you confirm compatibility.\u003c\/li\u003e \u003cli\u003eConfirm the required ratings (current rating, interrupting capacity) align with your existing setup or project specifications. When in doubt, refer to your panel documentation or consult a licensed electrician.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eIdeal use scenarios:\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eUpgrading legacy panels to support three-phase motors and equipment in manufacturing or processing facilities.\u003c\/li\u003e \u003cli\u003eReplacing a failed breaker in retrofit projects where synchronized protection across all phases is essential.\u003c\/li\u003e \u003cli\u003eMaintaining service continuity in commercial spaces with three-phase loads, such as HVAC systems or large refrigeration units.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eWhy this model stands out:\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eClear, authoritative compatibility reference with the part number QDA321506 minimizes guesswork during procurement.\u003c\/li\u003e \u003cli\u003eDurable construction from Square D supports reliable performance under typical industrial and commercial conditions.\u003c\/li\u003e \u003cli\u003eSpecifically designed for three-phase protection, ensuring balanced response across all circuits.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eBefore finalizing your purchase, verify that the QDA321506 matches your panel’s specifications and required ratings. This ensures a straightforward installation and dependable protection for your three-phase system.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Square D","offers":[{"title":"Default Title","offer_id":46427411415202,"sku":"QDA321506","price":510.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/square-d-qda321506-circuit-breaker-3-pole-878.webp?v=1789718961","url":"https:\/\/www.ampstate.com\/products\/square-d-qda321506-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}