{"product_id":"square-d-q1l340-circuit-breaker","title":"Square D | Q1L340 | Circuit Breaker | 3-Pole","description":"\u003cdiv\u003e\n\u003cp\u003e\u003cstrong\u003eSquare D Q1L340\u003c\/strong\u003e Circuit Breaker — a reliable \u003cem\u003e3-Pole\u003c\/em\u003e solution designed for maintenance, retrofit, and replacement in three‑phase electrical systems. This 3‑pole model provides synchronized interruption across all phases, enhancing safety and protection in demanding environments.\u003c\/p\u003e \u003ch2\u003eCompatibility and fit\u003c\/h2\u003e\n\u003cp\u003eWhen selecting this breaker, the \u003cstrong\u003epart number Q1L340\u003c\/strong\u003e is your best reference for compatibility. Always confirm fit and ratings before ordering to ensure seamless integration with your existing panel and wiring configuration.\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eDesigned for \u003cstrong\u003ethree‑phase\u003c\/strong\u003e applications requiring a 3‑pole circuit protectors.\u003c\/li\u003e \u003cli\u003eIdeal for \u003cstrong\u003emaintenance, retrofit, and replacement\u003c\/strong\u003e projects where exact reference part numbers are critical.\u003c\/li\u003e \u003cli\u003ePart number‑based compatibility helps minimize downtime and mismatches in panel boards and enclosures.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003eBest-use scenarios\u003c\/h2\u003e\n\u003cp\u003eThis breaker excels in commercial and industrial settings where three‑phase protection is essential. Use cases include upgrading legacy panels, upgrading control circuits, or replacing failed breakers in equipment rooms, data centers, and manufacturing facilities.\u003c\/p\u003e \u003ch2\u003eWhy choose this 3‑pole breaker\u003c\/h2\u003e\n\u003cp\u003eThe Q1L340 delivers dependable overcurrent protection across all three lines, helping to prevent equipment damage, reduce fault propagation, and maintain system stability during faults. Its Square D heritage brings a track record of reliable performance in panels that require precise compatibility with the Q1L340 part number.\u003c\/p\u003e \u003ch2\u003eInstallation and care tips\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003eReview your panel directory and confirm that Q1L340 matches the required rating and pole configuration for your specific panel model.\u003c\/li\u003e \u003cli\u003eHandle with standard electrical safety procedures; ensure power is off and the circuit is de‑energized before replacement or installation.\u003c\/li\u003e \u003cli\u003eConsult your panel manufacturer guidelines if you’re unsure about compatibility or torque specifications for mounting.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Square D","offers":[{"title":"Default Title","offer_id":46427413479586,"sku":"Q1L340","price":510.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/master_generic_ad06fdd7-931c-4a09-bfbe-d05329579cd6.png?v=1765492978","url":"https:\/\/www.ampstate.com\/products\/square-d-q1l340-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}