{"product_id":"square-d-lgl36400u44x-400a-3p-600v-circuit-breaker","title":"Square D LGL36400U44X 400A 3P 600V Circuit Breaker | AmpState","description":"\u003cdiv\u003e\n\u003cp\u003e\u003cstrong\u003eSquare D LGL36400U44X\u003c\/strong\u003e is a robust 400 A, 3-pole, 600 V circuit breaker engineered for reliable circuit protection in panelboards, load centers, and electrical distribution systems. Built for everyday electrical work, this unit is a smart choice when you need a dependable, on-spec replacement that keeps downtime to a minimum.\u003c\/p\u003e \u003ch3\u003eKey benefits that matter in the field\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eThree-pole design for three‑phase systems\u003c\/strong\u003e—ideal for protecting feeders and main circuits in commercial and industrial panels operating up to 600 V.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003e400 A rating\u003c\/strong\u003e provides solid protection for high-demand circuits without nuisance trips in demanding environments.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eDirect part-number match\u003c\/strong\u003e—LGL36400U44X ensures precise compatibility, simplifying procurement and installation while meeting code expectations.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eAuthentic Square D performance\u003c\/strong\u003e across panelboards, load centers, and distribution gear, helping you maintain system reliability and safety.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eAvailability from AmpState\u003c\/strong\u003e means ready-to-ship stock and straightforward reordering for maintenance and spares.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWho benefits from this breaker\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eMaintenance teams focused on uptime who need a dependable, on-spec replacement part.\u003c\/li\u003e \u003cli\u003ePanel builders and electrical contractors seeking accurate, code-compliant components that fit exact specifications.\u003c\/li\u003e \u003cli\u003eFacilities managers and inventory planners stocking spare parts to minimize outage time and expedite repairs.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003ePractical use cases\u003c\/h3\u003e\n\u003cp\u003eUse this breaker to protect three-phase distribution circuits in commercial or industrial environments, whether you’re replacing a failed unit, upgrading a panel to meet current load demands, or stocking a reliable spare for fast turnarounds on service calls.\u003c\/p\u003e \u003cp\u003eNeed help matching a part number or confirming compatibility? Message us and we’ll help you confirm fit.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"AmpState","offers":[{"title":"Default Title","offer_id":46411085349026,"sku":"LGL36400U44X","price":20758.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/square-d-lgl36400u44x-400a-3p-600v-circuit-breaker-ampstate-breakers-851.webp?v=1789013511","url":"https:\/\/www.ampstate.com\/products\/square-d-lgl36400u44x-400a-3p-600v-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}