{"product_id":"square-d-lal3640035m1021","title":"Square D LAL3640035M1021 400A 3-Pole 600 V Circuit Breaker","description":"\u003cdiv\u003e\n\u003cp\u003e\u003cstrong\u003eSquare D LAL3640035M1021 400A 3-Pole 600 V Circuit Breaker\u003c\/strong\u003e is built for demanding electrical environments where reliability and safety matter. This three-pole protector delivers solid overcurrent protection for three-phase circuits, helping to safeguard wiring, equipment, and downtime-critical systems in commercial and industrial settings.\u003c\/p\u003e \u003cp\u003eDesigned to work within compatible Square D distribution panels, this breaker is a dependable choice when you need robust main or feeder protection for three-phase service up to 600 V. Its 400 A rating makes it suitable for sizable feeders and panel mains, providing a clear, scalable path for expanding power needs without compromising safety.\u003c\/p\u003e \u003ch3\u003eKey specifications at a glance\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eCurrent rating:\u003c\/strong\u003e 400 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 600 V\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePart number:\u003c\/strong\u003e LAL3640035M1021\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Square D\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWhy this 3-Pole 600 V breaker stands out\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eThree-phase protection:\u003c\/strong\u003e Perfect for commercial and industrial electrical distributions that rely on three-phase power, ensuring coordinated protection across all live lines.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eHigh-capacity safeguard:\u003c\/strong\u003e A 400 A rating provides a strong line of defense for large feeders and panel mains, reducing the risk of nuisance trips on heavy loads.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eReliable Square D quality:\u003c\/strong\u003e Built by a trusted name in electrical distribution, designed for long-term performance in demanding environments.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eClear identification and compatibility:\u003c\/strong\u003e Part number LAL3640035M1021 helps ensure you’re selecting the exact replacement or installation part for compatible Square D panels and systems.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eThis breaker is ideal for facilities managers, electrical contractors, and maintenance technicians who need dependable protection for three-phase circuits up to 600 V. It’s a practical choice for main protection in larger panels or as a robust feeder breaker in industrial switchgear and service entrance applications. When installing, follow all manufacturer guidelines and local electrical codes to ensure safe, code-compliant operation.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Square D","offers":[{"title":"Default Title","offer_id":46423101833378,"sku":"LAL3640035M1021","price":510.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/square-d-lal3640035m1021-400a-3-pole-600-v-circuit-breaker-567.webp?v=1789269866","url":"https:\/\/www.ampstate.com\/products\/square-d-lal3640035m1021","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}