{"product_id":"lc36400","title":"Square D LC36400 - 400A, 3-Pole, Circuit Breaker","description":"\u003cdiv\u003e\n\u003cp\u003eMeet the Square D LC36400 — a rugged 400A, 3-pole circuit breaker engineered for demanding electrical systems. Ideal for industrial, commercial, and OEM applications, it delivers dependable overcurrent protection in distribution panels, switchboards, and motor control centers, helping to keep critical equipment safe and productive.\u003c\/p\u003e \u003ch2\u003eWhat makes the LC36400 stand out\u003c\/h2\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eHigh-capacity protection:\u003c\/strong\u003e 400 A current rating provides robust protection for large feeders and motor loads.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eThree-pole configuration:\u003c\/strong\u003e Three-phase (3-Pole) design delivers balanced protection across all phases, simplifying control of motors and three‑phase equipment.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVersatile installation:\u003c\/strong\u003e Suitable for panelboards, switchboards, and control panels, enabling flexible integration in new builds or retrofits.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eReliable overcurrent protection:\u003c\/strong\u003e Built for long service in demanding environments where safety and uptime matter.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003eWho benefits from this circuit breaker\u003c\/h2\u003e \u003cp\u003eEngineers, panel builders, OEMs, and facilities teams working with large electrical distributions will appreciate the LC36400 for its ability to protect heavy-duty equipment while keeping installation straightforward. It's an ideal choice for motor control centers and distribution panels in manufacturing plants, processing facilities, and commercial complexes with high-load demands.\u003c\/p\u003e \u003ch2\u003eUse cases and scenarios\u003c\/h2\u003e \u003cul\u003e \u003cli\u003eRetrofit or upgrade projects in existing panelboards and switchboards where a 3-pole, 400A protection strategy is required.\u003c\/li\u003e \u003cli\u003eNew motor control centers where three-phase protection and centralized fault isolation reduce downtime.\u003c\/li\u003e \u003cli\u003eIndustrial feeders supplying large motors, conveyors, pumps, or HVAC systems that demand reliable current limiting.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003ePractical tips for installation and maintenance\u003c\/h2\u003e \u003cul\u003e \u003cli\u003eVerify compatibility with your existing Square D panels and the LC36400 family to ensure proper fit and electrical coordination.\u003c\/li\u003e \u003cli\u003eCoordinate with upstream protections and fusing to establish a consistent protection scheme across your distribution network.\u003c\/li\u003e \u003cli\u003eSchedule regular inspections for physical integrity and signs of wear or overheating in the enclosure and surrounding wiring.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eChoose the Square D LC36400 when you need serious, scalable protection for 3-phase systems. It's a solid foundation for safe, dependable power distribution in high-demand environments.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Square D","offers":[{"title":"Default","offer_id":46390622453922,"sku":"LC36400","price":12.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/circuit_breaker_generic_d90c86f7-fadd-405c-a8b8-e189572bf0e7.png?v=1765378340","url":"https:\/\/www.ampstate.com\/products\/lc36400","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}