{"product_id":"square-d-lga36600u44x-600a-3-pole-plug-in-circuit-breaker","title":"Square D LGA36600U44X - 600 A, 3-Pole Plug-In Circuit Breaker | AmpState","description":"\u003cdiv\u003e\n\u003cp\u003eThe Square D LGA36600U44X is a 600 A, 3-pole plug-in molded case circuit breaker engineered to protect panelboards and load centers from overcurrent and short-circuit events. Designed for fast, reliable service, this unit powers large, resilient electrical systems with confidence, making it a smart choice for upfits, retrofits, and new installations in demanding environments.\u003c\/p\u003e \u003ch3\u003eWhy the Square D LGA36600U44X stands out\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eFast plug-in connection\u003c\/strong\u003e enables quick installation and effortless replacement, minimizing downtime during panel servicing or upgrades.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eThermal-magnetic trip unit\u003c\/strong\u003e delivers stable, repeatable protection across varying temperatures and loads, providing predictable performance when it matters most.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003e3-pole design\u003c\/strong\u003e ideal for 3-phase systems, ensuring balanced protection across all conductors in larger panels.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003e600 A rating\u003c\/strong\u003e supports heavy-duty branch circuits and main feeders, suited for residential, commercial, and light industrial applications.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eOEM-compatible\u003c\/strong\u003e compatibility with matching Square D OEM load centers and panelboards reduces fit issues and simplifies replacements.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eTechnical snapshot\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eManufacturer: Square D\u003c\/li\u003e \u003cli\u003ePart Number: LGA36600U44X\u003c\/li\u003e \u003cli\u003eType: Thermal-magnetic molded case circuit breaker\u003c\/li\u003e \u003cli\u003eAmperage Rating: 600 A\u003c\/li\u003e \u003cli\u003eNumber of Poles: 3\u003c\/li\u003e \u003cli\u003eMounting Style: Plug-in\u003c\/li\u003e \u003cli\u003eApplication: Branch circuit overcurrent and short-circuit protection\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eIdeal uses and practical applications\u003c\/h3\u003e\n\u003cp\u003eUse the Square D LGA36600U44X as a robust main or feeder protection device in panelboards and load centers where 3-phase power is present. It’s well-suited for:\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eNew commercial or light industrial panels requiring a high-capacity 3-pole breaker\u003c\/li\u003e \u003cli\u003eRetrofits in existing Square D systems where a reliable 600 A plug-in solution is needed\u003c\/li\u003e \u003cli\u003eResidential settings with large electrical loads or multi-unit structures that demand strong, dependable protection\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWhat you gain by choosing this breaker\u003c\/h3\u003e\n\u003cp\u003eWith the Square D LGA36600U44X, you’re prioritizing reliability and uptime. The plug-in design reduces service interruption during maintenance, while the thermal-magnetic trip mechanism delivers consistent protection even under surge events. Its compatibility with OEM load centers ensures a seamless fit, so you don’t have to compromise on system integrity when expanding or upgrading.\u003c\/p\u003e \u003ch3\u003eInstallation and maintenance tips\u003c\/h3\u003e\n\u003cp\u003eFor best results, pair this 600 A, 3-pole plug-in breaker with the corresponding Square D panelboard family and follow standard electrical installation practices. Ensure the panelboard is rated for the same amperage and type to maintain proper trip coordination and system protection. Regular inspection of conductors and terminal connections during service intervals helps preserve the reliability that the LGA36600U44X is designed to deliver.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Amp State","offers":[{"title":"Default Title","offer_id":46355322601634,"sku":null,"price":710.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/schnieder_and_square_d_breaker_and_panel_ba1c422c-ad55-4011-a4bf-45990e73238d.png?v=1764691308","url":"https:\/\/www.ampstate.com\/products\/square-d-lga36600u44x-600a-3-pole-plug-in-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}