{"product_id":"square-d-q4l3350-circuit-breaker","title":"Square D | Q4L3350 | Circuit Breaker | 3-Pole","description":"\u003cdiv\u003e\n\u003cp\u003e\u003cstrong\u003eSquare D Q4L3350 3-Pole Circuit Breaker\u003c\/strong\u003e delivers trusted protection in maintenance, retrofit, and replacement projects where exact compatibility matters. This 3-pole model is designed to work within compatible Square D panels, providing reliable three-phase protection and a straightforward path to restoring electrical system integrity.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eGenuine Square D part\u003c\/strong\u003e ensures consistent performance and compatibility within Square D installations.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003e3-Pole configuration\u003c\/strong\u003e supports three hot legs in suitable electrical systems, ideal for three‑phase or multi‑wire circuits requiring a single, common-trip device.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003e Retrofit and replacement ready\u003c\/strong\u003e—matched form factor and mounting to minimize downtime during upkeep or modernization.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eBest reference is the part number\u003c\/strong\u003e—Q4L3350 is your reliable guide for compatibility; always confirm fit and ratings before ordering.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eHow to verify compatibility\u003c\/h3\u003e\n\u003cp\u003eStart with your panel’s model and labeling, then cross-check against the Q4L3350 part number. The part number is the clearest reference for compatibility, and confirming the required ratings with your panel’s data sheet helps prevent mismatches in voltage, current, or trip characteristics.\u003c\/p\u003e \u003ch3\u003eIdeal use cases\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eMaintenance on existing Square D panels that require a 3‑pole breaker.\u003c\/li\u003e \u003cli\u003eRetrofits that switch to three‑pole protection for expanded or reconfigured circuits.\u003c\/li\u003e \u003cli\u003eReplacement for a failed 3‑pole unit in compatible Square D assemblies, ensuring minimal downtime.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003ePractical installation tips\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003ePower down the system and follow proper lockout\/tagout procedures before replacing any breaker.\u003c\/li\u003e \u003cli\u003eHave the panel model, service rating, and bus configuration on hand to confirm fit.\u003c\/li\u003e \u003cli\u003eKeep a spare Q4L3350 on hand for planned maintenance or unexpected outages to reduce service time.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWhat to expect from the Q4L3350\u003c\/h3\u003e\n\u003cp\u003eWith this 3‑pole circuit breaker in your toolkit, you gain a dependable, factory‑certified component that integrates smoothly with existing Square D enclosures, minimizes compatibility risk, and supports efficient restoration of service after maintenance. It’s a practical, ready-to-deploy solution for technicians, facilities managers, and service teams maintaining three‑phase electrical systems.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Square D","offers":[{"title":"Default Title","offer_id":46424816255138,"sku":"Q4L3350","price":310.0,"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-q4l3350-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}