{"product_id":"square-d-lga36600u43x-600a-3p-600v-circuit-breaker","title":"Square D LGA36600U43X Circuit Breaker, 600A, 3-Pole, 600V","description":"\u003cdiv\u003e\n\u003cp\u003eFor industrial electrical systems that demand dependable protection and quick, predictable trips, the Square D LGA36600U43X circuit breaker delivers robust performance in a compact form. Designed for industrial service, maintenance, and replacement projects, this 600 A, 3-pole, 600 V breaker helps protect feeders, motors, and distribution panels from overloads and short circuits.\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 LGA36600U43X\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e Circuit Breaker\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eAmperage rating:\u003c\/strong\u003e 600 A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePole configuration:\u003c\/strong\u003e 3-pole\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage rating:\u003c\/strong\u003e 600 V\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWhy this breaker stands out\u003c\/h3\u003e\n\u003cp\u003eThe LGA36600U43X is engineered for reliability in demanding environments. With a 3-pole design, it provides balanced protection across three-phase power systems, helping maintain system stability and safety. Square D’s engineering focuses on predictable tripping behavior, clear diagnostics, and easy integration with compatible Square D panels and enclosures.\u003c\/p\u003e \u003ch3\u003eIdeal use cases\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eMain distribution panels in manufacturing facilities and process plants\u003c\/li\u003e \u003cli\u003eThree-phase motor circuits and large equipment feeders\u003c\/li\u003e \u003cli\u003eIndustrial maintenance and equipment replacement projects where compatibility with existing Square D gear is essential\u003c\/li\u003e \u003cli\u003eData centers and critical facilities that require robust overcurrent protection at 600 V and high amperage\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eCompatibility and installation notes\u003c\/h3\u003e\n\u003cp\u003eTo ensure proper fit and performance, verify compatibility by the exact part number and application requirements. The LGA36600U43X should be matched to your panel, bus rating, and interrupting capacity as specified by your electrical design. If you’re unsure about fit or compatibility, we can help—send us a message and we’ll assist with part-number validation and application alignment.\u003c\/p\u003e \u003ch3\u003ePractical guidance and best practices\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eInspect for signs of wear or insulation damage during routine maintenance; replace if wear affects operation or safety.\u003c\/li\u003e \u003cli\u003eFollow the manufacturer’s torque values and mounting procedures when securing the breaker to panels or bus assemblies.\u003c\/li\u003e \u003cli\u003eStore spare units in a dry, clean environment to prevent corrosion or contamination.\u003c\/li\u003e \u003cli\u003eConsider keeping a compatible spare on hand for critical applications to minimize downtime during maintenance.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWhat you gain with Square D protection\u003c\/h3\u003e\n\u003cp\u003eChoosing the LGA36600U43X means consistent protection with a trusted, widely-supported line of electrical protection devices. It integrates with Square D distribution systems, helping simplify maintenance, improve coordination, and reduce risk in high-stakes industrial environments.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"AmpState","offers":[{"title":"Default Title","offer_id":46415746924706,"sku":"LGA36600U43X","price":27318.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/square-d-lga36600u43x-circuit-breaker-600a-3-pole-600v-breakers-914.webp?v=1789196950","url":"https:\/\/www.ampstate.com\/products\/square-d-lga36600u43x-600a-3p-600v-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}