{"product_id":"square-d-lgp36400cu31x-400a-3p-600v-circuit-breaker","title":"Square D LGP36400CU31X 400A 3P 600V Circuit Breaker | AmpState","description":"\u003cdiv\u003e\n\u003cp\u003eMeet the Square D LGP36400CU31X — a robust 400 A, 3-pole circuit breaker engineered for reliable protection in panelboards, load centers, and broader electrical distribution setups. Designed for maintenance teams, panel builders, and inventory managers who demand an exact part-number match, this unit is a direct-fit solution that minimizes downtime and installation guesswork.\u003c\/p\u003e \u003ch3\u003eKey specifications\u003c\/h3\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 LGP36400CU31X\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 \u003cli\u003e\n\u003cstrong\u003eApplications:\u003c\/strong\u003e Panelboards, load centers, and electrical distribution networks\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eAvailability:\u003c\/strong\u003e Available from AmpState\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWhy this 3P 400A 600V breaker stands out\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eDirect part-number match:\u003c\/strong\u003e Specifically chosen for Square D systems, ensuring compatibility with existing LGP-series panel equipment without modification.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eHigh-current reliability:\u003c\/strong\u003e 400 A rating accommodates heavy feeders and main circuits, supporting demanding commercial and light-industrial applications.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eThree-pole design for balanced protection:\u003c\/strong\u003e Ideal for three-phase distribution where synchronized tripping and coordinated protection are essential.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003e600-volt capability:\u003c\/strong\u003e Suitable for higher-voltage panel configurations common in commercial spaces and distributed electrical systems.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eLogistics-friendly:\u003c\/strong\u003e A dependable spare for maintenance inventories, reducing downtime when replacements are needed quickly.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eUse cases and practical scenarios\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eReplacing a failed or de-energized breaker in Square D LGP-panel systems used in manufacturing floors, data centers, or commercial facilities.\u003c\/li\u003e \u003cli\u003eStocking a ready-to-go spare for panel builders who routinely assemble or retrofit electrical distributions.\u003c\/li\u003e \u003cli\u003eSituations where exact part-number compatibility matters for warranty, documentation, and cross-reference accuracy.\u003c\/li\u003e \u003cli\u003eMaintenance planning for systems with high-current feeders that require reliable, field-proven protection at 600 V.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eCompatibility and procurement tips\u003c\/h3\u003e\n\u003cp\u003eTo ensure a perfect fit, compare your current installation against the LGP36400CU31X specification: Square D, 400 A, 3-pole, 600 V, and intended for panelboards or load centers within an LGP-series distribution network. If you’re unsure about fit, AmpState offers expert assistance to confirm compatibility with your panel layout and service requirements.\u003c\/p\u003e \u003cp\u003eReady to secure dependable protection for your electrical distribution? AmpState makes the LGP36400CU31X available now. If you need help verifying compatibility or placing an order, send us a message and we’ll guide you to a seamless, direct-match solution.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"AmpState","offers":[{"title":"Default Title","offer_id":46413749420194,"sku":"LGP36400CU31X","price":10.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/square-d-lgp36400cu31x-400a-3p-600v-circuit-breaker-ampstate-147.webp?v=1789094736","url":"https:\/\/www.ampstate.com\/products\/square-d-lgp36400cu31x-400a-3p-600v-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}