{"product_id":"square-d-le36400ls-circuit-breaker","title":"Square D | LE36400LS | Circuit Breaker | 400A | 3-Pole | 600V","description":"\u003cdiv\u003e\n\u003cp\u003eMeet the Square D LE36400LS circuit breaker — a purpose-built protection device designed for demanding electrical environments that require dependable, high-capacity 400A protection across three poles and up to 600V. Built for maintenance, retrofit, and replacement projects, this breaker helps keep critical systems online with minimal downtime.\u003c\/p\u003e \u003cp\u003eWhy this breaker stands out in real-world installations:\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003e40A capacity for serious protection\u003c\/strong\u003e — 400 amps of interruption capability to safeguard feeders and connected equipment in heavy-load applications.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eThree-pole construction\u003c\/strong\u003e — precisely suited for three-phase distribution, delivering balanced protection across all phases in your panel.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003e600V electrical rating\u003c\/strong\u003e — designed for typical industrial and commercial power distribution environments where higher voltage rating matters for safety and performance.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eExact compatibility reference\u003c\/strong\u003e — identified by part number LE36400LS, ensuring you’re selecting the right device for your panel, retrofit, or replacement needs.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eMaintenance, retrofit, and replacement ready\u003c\/strong\u003e — a practical, long-term solution when upgrading or refreshing existing electrical infrastructure without sacrificing reliability.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eTrusted Square D engineering\u003c\/strong\u003e — backed by a brand renowned for durable, dependable protection devices used in commercial and industrial settings.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eIdeal use cases\u003c\/h3\u003e \u003cul\u003e \u003cli\u003eIndustrial facilities upgrading or maintaining three-phase feeders that require 400A protection at 600V.\u003c\/li\u003e \u003cli\u003eCommercial buildings performing panel retrofits or service upgrades where accurate part matching matters.\u003c\/li\u003e \u003cli\u003eLegacy systems needing a reliable, long-lasting replacement breaker that aligns with existing specs.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eKey specifications\u003c\/h3\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eAmperage:\u003c\/strong\u003e 400A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePoles:\u003c\/strong\u003e 3-Pole\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage:\u003c\/strong\u003e 600V\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePart number:\u003c\/strong\u003e LE36400LS\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003eCompatibility and ordering tip:\u003c\/strong\u003e Confirm fit and ratings before ordering. The part number is the best reference for compatibility, helping you avoid mismatches in panel configuration or service requirements.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Square D","offers":[{"title":"Default Title","offer_id":46424823201954,"sku":"LE36400LS","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-le36400ls-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}