{"product_id":"square-d-lcf36400-circuit-breaker","title":"Square D | LCF36400 | Circuit Breaker | 400A | 3-Pole | 600V","description":"\u003cdiv\u003e\n\u003cp\u003eSquare D LCF36400 Circuit Breaker — a rugged 3-pole, 400A protection device rated for 600V, built to handle the rigors of industrial electrical distribution. Designed for maintenance, retrofit, and replacement, this unit ensures you can match exact specs when upgrading panels or feeders. The part number LCF36400 serves as the clearest reference for compatibility, so double-check this code before ordering.\u003c\/p\u003e \u003ch3\u003eKey specifications\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eAmperage:\u003c\/strong\u003e 400 A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePoles:\u003c\/strong\u003e 3-Pole\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage:\u003c\/strong\u003e 600 V\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePart number:\u003c\/strong\u003e LCF36400\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Square D\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWhat makes it stand out\u003c\/h3\u003e\n\u003cp\u003eIn demanding environments, a three-pole design helps protect three-phase loads more evenly, coordinating protection across all phases. With a 400 A rating, this breaker is well-suited for large motors, compressors, and heavy feeders common in industrial facilities. The 600 V rating supports typical low-to-medium voltage distribution used in commercial and light industrial settings, providing a timely response to overloads and short circuits while enabling safe power restoration after trips.\u003c\/p\u003e \u003ch3\u003eInstallation and compatibility\u003c\/h3\u003e\n\u003cp\u003eThis unit is intended for use where maintenance, retrofit, or replacement is required, and it pairs with panels and equipment that match the LCF36400 specifications. To minimize downtime and ensure safe operation, confirm fit and ratings before ordering—the part number is your best reference for compatibility.\u003c\/p\u003e \u003ch3\u003eWho it's ideal for\u003c\/h3\u003e\n\u003cp\u003eFacilities that rely on robust three-phase power distribution, including manufacturing lines, large capacity feeders, commercial building service panels, and retrofit projects seeking to upgrade or replace aging protection devices.\u003c\/p\u003e \u003ch3\u003ePractical tips\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eKeep the exact part number (LCF36400) handy when surveying replacement needs to ensure a perfect match.\u003c\/li\u003e \u003cli\u003eVerify the system voltage and pole configuration in your panel before purchasing—this unit is 3-pole and 600V rated.\u003c\/li\u003e \u003cli\u003ePlan for a smooth swap by reviewing the panel's bus configuration and mounting provisions against the breaker’s connection points.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Square D","offers":[{"title":"Default Title","offer_id":46426413596834,"sku":"LCF36400","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-lcf36400-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}