{"product_id":"square-d-lep36400lsg-circuit-breaker","title":"Square D | LEP36400LSG | Circuit Breaker | 400A | 3-Pole | 600V","description":"\u003cdiv\u003e\n\u003cp\u003eThe Square D LEP36400LSG circuit breaker delivers dependable protection for demanding 3-phase, 600V electrical systems. With a 400A rating and 3-pole configuration, this device is purpose-built for maintenance, retrofit, and replacement projects where exact matching specs are essential. Using the LEP36400LSG part number as the compatibility reference helps ensure a precise fit in your panel and uninterrupted system protection.\u003c\/p\u003e \u003ch2\u003eKey specifications\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eAmperage:\u003c\/strong\u003e 400A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePoles:\u003c\/strong\u003e 3-Pole\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage:\u003c\/strong\u003e 600V\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003eWhy this circuit breaker matters for your system\u003c\/h2\u003e\n\u003cp\u003eThree-phase protection is critical in industrial and commercial environments where balanced power distribution minimizes voltage imbalances and protects equipment from overloads. The LEP36400LSG is designed to integrate into existing Square D installations, preserving system coordination and trip characteristics while offering robust interruption capability at 600V. Because the part number LEP36400LSG is the most reliable reference for compatibility, confirming this exact model before purchasing helps prevent downtime and retrofit delays.\u003c\/p\u003e \u003ch2\u003eIdeal use cases\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003eMaintenance: replace aging or failing breakers in 3-phase distribution with a direct, compatible fit.\u003c\/li\u003e \u003cli\u003eRetrofit: upgrade electrical panels to support modern load profiles while maintaining source protection at 600V.\u003c\/li\u003e \u003cli\u003eReplacement: swap a discontinued or damaged unit with a like-for-like 400A, 3-pole breaker to restore full circuit protection.\u003c\/li\u003e \u003cli\u003eNew installations: install in systems requiring a precise 400A, 3-pole, 600V protection scheme within the Square D ecosystem.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003eInstallation and compatibility tips\u003c\/h2\u003e\n\u003cp\u003eBefore ordering, verify the exact fit by cross-referencing the part number LEP36400LSG with your panel specification and ratings. Ensure that the intended application aligns with a 400A, 3-pole, 600V protection scheme to maintain proper coordination and safety. If you're upgrading or replacing multiple devices, consider the overall electrical distribution plan to preserve sequence of protection and minimize downtime during the swap.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Square D","offers":[{"title":"Default Title","offer_id":46426350911650,"sku":"LEP36400LSG","price":2010.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/master_generic_a085eff1-75dd-47ee-b131-4c8df8f0489b.png?v=1765492976","url":"https:\/\/www.ampstate.com\/products\/square-d-lep36400lsg-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}