{"product_id":"square-d-lra36600u31x-600a-600v-3-pole-plug-in-circuit-breaker","title":"Square D LRA36600U31X - 600 A, 600 V, 3-Pole Plug-In Circuit Breaker | AmpState","description":"\u003cdiv\u003e\n\u003cp\u003eMeet the Square D LRA36600U31X from AmpState—a rugged, high-capacity plug-in molded case circuit breaker designed to safeguard your most demanding panelboards and load centers. With a 600 A rating and 600 V maximum, this 3-pole unit delivers precise, reliable protection for large branch circuits, motor feeds, and critical distribution paths in residential, commercial, and light industrial environments.\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eWhy this breaker stands out\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eFast plug-in connection:\u003c\/strong\u003e Designed for 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. The thermal element guards against nuisance trips due to gradual temperature rise, while the magnetic element rapidly clears short-circuit faults.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eOEM-compatible:\u003c\/strong\u003e Engineered to fit seamlessly with matching Square D OEM load centers and panelboards, ensuring proper fit, coordination, and safe operation.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVersatile applications:\u003c\/strong\u003e Suitable for residential, commercial, and light industrial electrical systems that require robust branch-circuit overcurrent and short-circuit protection.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eTechnical snapshot\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 LRA36600U31X\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e Thermal-magnetic molded case circuit breaker\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eAmperage rating:\u003c\/strong\u003e 600 A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage rating:\u003c\/strong\u003e 600 V\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eNumber of poles:\u003c\/strong\u003e 3\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eMounting style:\u003c\/strong\u003e Plug-in\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eApplication:\u003c\/strong\u003e Branch circuit overcurrent and short-circuit protection\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003eIdeal use scenarios\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eUpgrading or retrofitting large residential service panels and heavy-duty subpanels where 600 A feeders are required.\u003c\/li\u003e \u003cli\u003eServing commercial electrical rooms that feed high-current equipment, lighting, and auxiliary power circuits.\u003c\/li\u003e \u003cli\u003eProtection for light industrial distribution where fast, reliable interruption is critical to equipment safety and uptime.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003eHow it helps you today\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cem\u003eReliability:\u003c\/em\u003e The combination of thermal and magnetic protection minimizes nuisance trips while delivering rapid fault clearance during short circuits.\u003c\/li\u003e \u003cli\u003e\n\u003cem\u003eMaintenance efficiency:\u003c\/em\u003e The plug-in design reduces service time, making inspection, testing, and replacement straightforward.\u003c\/li\u003e \u003cli\u003e\n\u003cem\u003ePeace of mind:\u003c\/em\u003e OEM compatibility ensures consistent performance and easier coordination with existing panelboard architectures.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eIf you’re building, upgrading, or maintaining power distribution in spaces where high-current protection matters, the Square D LRA36600U31X provides the dependable, code-compliant solution you need. From AmpState, this unit is ready to install in compatible panelboards and loadcenters, delivering real-world protection for demanding electrical layouts.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Amp State","offers":[{"title":"Default Title","offer_id":46355329548450,"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_15184948-646b-4298-870f-0c9bccb1f563.png?v=1764691381","url":"https:\/\/www.ampstate.com\/products\/square-d-lra36600u31x-600a-600v-3-pole-plug-in-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}