{"product_id":"square-d-lgl36400cu31x-400a-3p-600v-circuit-breaker","title":"Square D LGL36400CU31X 400A 3P 600V Circuit Breaker | AmpState","description":"\u003cdiv\u003e\n\u003cp\u003eMeet the Square D LGL36400CU31X — a robust 400 A, 3-pole, 600 V circuit breaker designed to protect panelboards, load centers, and electrical distribution networks. Built for reliability in demanding environments, this unit delivers precise interruption and dependable protection when it matters most.\u003c\/p\u003e \u003cp\u003eThis model is purpose-built for retrofit work and ongoing maintenance planning where keeping the exact part number matters. By choosing LGL36400CU31X, you simplify spares management and reduce the risk of compatibility issues during upgrades or replacements.\u003c\/p\u003e \u003ch2\u003eSpecifications at a glance\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eManufacturer:\u003c\/strong\u003e Square D\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e LGL36400CU31X\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eProduct Type:\u003c\/strong\u003e Circuit Breaker\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eAmperage:\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:\u003c\/strong\u003e 600 V\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003eWhy this model stands out\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003e\u003cstrongpart-number consistency for retrofits:\u003e When renovations or replacements require maintaining the same component lineage, LGL36400CU31X ensures seamless compatibility with existing installations.\u003c\/strongpart-number\u003e\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eReliability for electrical distribution:\u003c\/strong\u003e Designed to protect the integrity of panelboards and load centers, helping minimize downtime and safeguard downstream circuits.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eStrategic sourcing via AmpState:\u003c\/strong\u003e Available through AmpState, making it easier to source a specific Square D part when exact fit and traceability matter.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003eIdeal for\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003eFacilities upgrading or expanding 3-phase electrical distribution where a 400 A, 3-pole, 600 V breaker fits the panel’s requirements.\u003c\/li\u003e \u003cli\u003eMaintenance planners who need to stock the exact part number to avoid compatibility gaps during servicing.\u003c\/li\u003e \u003cli\u003e contractors and electricians managing retrofit projects that require consistent component lineage and predictable performance.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003ePractical considerations and usage tips\u003c\/h2\u003e\n\u003cp\u003eBefore installation, verify that the panelboards or distribution equipment are designed to accept a 3-pole, 400 A, 600 V circuit breaker of the Square D lineage. Maintain documentation showing the LGL36400CU31X part number to support future maintenance and audits. For compatibility checks or to confirm fit with your specific installation, feel free to reach out—we’ll help verify the match to keep your project on track.\u003c\/p\u003e \u003cp\u003eAvailable from AmpState. Need 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":46410946183330,"sku":"LGL36400CU31X","price":17874.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/master_generic_83963f7f-600e-419f-90c6-e7677089642b.png?v=1765492973","url":"https:\/\/www.ampstate.com\/products\/square-d-lgl36400cu31x-400a-3p-600v-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}