{"product_id":"square-d-laf36400-circuit-breaker","title":"Square D | LAF36400 | Circuit Breaker | 400A | 3-Pole | 600V","description":"\u003cdiv\u003e\n\u003cp\u003eWhen your three-phase electrical system needs robust, reliable protection, the Square D LAF36400 circuit breaker stands out as a precise, drop-in solution for maintenance, retrofit, and replacement projects. Built to meet exacting specs, this 400A, 3-pole unit is designed to safeguard commercial and industrial distributions where uptime and safety matter most.\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eCore specifications you can trust\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eAmperage:\u003c\/strong\u003e 400A — capable of handling substantial load while protecting wiring and equipment.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePoles:\u003c\/strong\u003e 3-Pole — ideal for three-phase power systems common in industrial and commercial settings.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage rating:\u003c\/strong\u003e 600V — suitable for a wide range of distribution panels and equipment operating at higher voltages.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003eWhy this Square D breaker is the right choice\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003ePrecision compatibility: The part number LAF36400 is the most reliable reference for matching fitment with your panel or switchgear, ensuring seamless replacement without unnecessary downtime.\u003c\/li\u003e \u003cli\u003eMaintenance-ready: Designed for retrofit and replacement projects, it lets you upgrade or restore protection without overhauling your electrical distribution architecture.\u003c\/li\u003e \u003cli\u003eClear, practical applicability: Ideal for three-phase service entrances, industrial feeders, and commercial distribution panels that require a 400A main or branch protection solution at up to 600V.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003eWho benefits from this Circuit Breaker\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eFacilities engineers and maintenance teams performing panel retrofits or service upgrades in manufacturing, processing, or data-center environments.\u003c\/li\u003e \u003cli\u003eElectrical contractors tasked with precise replacements where exact specifications are non-negotiable.\u003c\/li\u003e \u003cli\u003eBuilding facilities managers seeking dependable protection for high-load three-phase circuits without compromising space or compatibility.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003eWhat problems it solves\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003ePrevents damage from overloads and short circuits in three-phase distribution networks.\u003c\/li\u003e \u003cli\u003eReduces downtime by providing a reliable, compatible replacement option that aligns with existing Square D panels and systems.\u003c\/li\u003e \u003cli\u003eEliminates guesswork in sourcing parts by using the definitive reference LAF36400 for compatibility checks.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003ePractical tips for a smooth experience\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eAlways verify fit and ratings before ordering by cross-referencing the part number LAF36400 with your panel model and service requirements.\u003c\/li\u003e \u003cli\u003ePlan for proper electrical safety procedures and professional installation to ensure compliant and safe operation in your facility.\u003c\/li\u003e \u003cli\u003eDocument the replacement with the exact part number and voltage\/current ratings to simplify future maintenance or retrofits.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eIn short, the Square D LAF36400 400A 3-Pole 600V circuit breaker is more than a component—it’s a precise, reliable solution built to protect your three-phase power infrastructure during maintenance, retrofits, or replacements. Choose this part when you need a trusted, compatible protector that aligns with your existing Square D equipment and keeps critical operations safeguarded.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Square D","offers":[{"title":"Default Title","offer_id":46427458666658,"sku":"LAF36400","price":3488.0,"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-laf36400-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}