{"product_id":"square-d-il34300","title":"Square D IL34300 300A 3-Pole 480 V Circuit Breaker","description":"\u003cdiv\u003e\n\u003cp\u003eMeet the Square D IL34300 300A 3-Pole 480 V Circuit Breaker—a rugged, industrial-grade protector engineered for demanding 480 VAC, three-phase power systems. As part of Square D’s I-Line family, this molded-case breaker delivers dependable overcurrent protection for feeders and large motors with a streamlined plug-in design that simplifies installation and replacement in compatible panels.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eCurrent rating:\u003c\/strong\u003e 300 A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePoles:\u003c\/strong\u003e 3\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage rating:\u003c\/strong\u003e 480 V\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eFamily:\u003c\/strong\u003e Square D I-Line molded-case circuit breaker\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePart number:\u003c\/strong\u003e IL34300\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eIndustry standard:\u003c\/strong\u003e UL489-listed for reliable protection in commercial and industrial panels\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eWhy this breaker stands out in real-world applications:\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003ePurpose-built for 480V three-phase systems:\u003c\/strong\u003e Protects feeders and large motors in manufacturing lines, HVAC distributions, data-center infrastructure, and other heavy electrical loads where consistent, coordinated protection is essential.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePrecise thermal-magnetic trip mechanism:\u003c\/strong\u003e Responds swiftly to overloads and short circuits, helping minimize equipment damage and unplanned downtime without nuisance tripping.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eSeamless panel integration:\u003c\/strong\u003e Designed for use in Square D I-Line enclosures, ensuring secure bus connections and straightforward replacement within existing electrical distributions.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eReliability you can trust:\u003c\/strong\u003e Built to endure demanding environments common in industrial settings, with clear, durable trip indicators and robust construction for long service life.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eIdeal use cases\u003c\/h3\u003e \u003cul\u003e \u003cli\u003eMain protection for 480V three-phase feeders in industrial facilities\u003c\/li\u003e \u003cli\u003eProtection for large-motor drives, compressors, and heavy machinery circuits\u003c\/li\u003e \u003cli\u003eReplacement or spares in existing Square D I-Line panels to maintain consistent protection across critical loads\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eHow to get the most from this breaker\u003c\/h3\u003e \u003cul\u003e \u003cli\u003eVerify panel compatibility: ensure your distribution panel is designed for I-Line 3-pole 480V devices and supports IL34300 series breakers.\u003c\/li\u003e \u003cli\u003eInstall with proper electrical practice: secure wire terminations per manufacturer guidelines and follow licensed electrician standards for safe operation.\u003c\/li\u003e \u003cli\u003ePlan for maintenance: keep spare IL34300 units on hand to minimize downtime during replacements or upgrades in busy facilities.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eChoosing the IL34300 means opting for a trusted Square D solution that aligns with established 480V, three-phase power architectures. It’s the practical, durable choice for protecting significant electrical assets while enabling efficient maintenance and reliable performance across demanding industrial environments.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Square D","offers":[{"title":"Default Title","offer_id":46423129686178,"sku":"IL34300","price":510.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/master_generic_229276d9-908d-46df-93e5-6fe31866e0ff.png?v=1765492975","url":"https:\/\/www.ampstate.com\/products\/square-d-il34300","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}